Journal Articles
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Karatay, A; Yılmaz, HÖ; Özkal, C; Yaman, F Cost-effective experiments with additively manufactured waveguide and cavities in the S-band Journal Article Measurement Science and Technology, 34 (8), pp. 85904–85904, 2023. BibTeX @article{pop00002f,
title = {Cost-effective experiments with additively manufactured waveguide and cavities in the S-band},
author = {A Karatay and HÖ Yılmaz and C Özkal and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {Measurement Science and Technology},
volume = {34},
number = {8},
pages = {85904--85904},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Özkal, C; Yaman, F A non-resonant approach for dielectric constant reconstructions via Newton iterations Journal Article AEU-International Journal of Electronics and Communications, 170 , pp. 154802–154802, 2023. BibTeX @article{pop00003e,
title = {A non-resonant approach for dielectric constant reconstructions via Newton iterations},
author = {C Özkal and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {AEU-International Journal of Electronics and Communications},
volume = {170},
pages = {154802--154802},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yaman, F Liquid metal-tunable miniaturized bimodal cavity for enhanced measurement accuracy in the ISM bands Journal Article IEEE Transactions on Instrumentation and Measurement, 2023. BibTeX @article{pop00004e,
title = {Liquid metal-tunable miniaturized bimodal cavity for enhanced measurement accuracy in the ISM bands},
author = {A Karatay and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {IEEE Transactions on Instrumentation and Measurement},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yaman, F Liquid Metal-Controlled Dual-Band Doppler Radar for Enhanced Velocity Measurement Journal Article IEEE Transactions on Instrumentation and Measurement, 2023. BibTeX @article{pop00005e,
title = {Liquid Metal-Controlled Dual-Band Doppler Radar for Enhanced Velocity Measurement},
author = {A Karatay and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {IEEE Transactions on Instrumentation and Measurement},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Ataç, E; Yaman, F Towards Cost-Effective and Lightweight Doppler Radars: Papercraft-Based Components and Comparisons with Aluminum and 3D Printed Alternatives Journal Article IEEE Transactions on Antennas and Propagation, 2023. BibTeX @article{pop00006c,
title = {Towards Cost-Effective and Lightweight Doppler Radars: Papercraft-Based Components and Comparisons with Aluminum and 3D Printed Alternatives},
author = {A Karatay and E Ataç and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {IEEE Transactions on Antennas and Propagation},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Olcay, BO; Yaman, F Improving Microwave Component Characterization Using Wavelet Denoising Method Journal Article 2023 31st Signal Processing and Communications Applications Conference (SIU …, 2023. BibTeX @article{pop00008b,
title = {Improving Microwave Component Characterization Using Wavelet Denoising Method},
author = {A Karatay and BO Olcay and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {2023 31st Signal Processing and Communications Applications Conference (SIU …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Ataç, E; Yaman, F An Origami-Inspired Low-Cost Waveguide Design, Fabrication and Measurements for X-band Satellite Communication Systems Journal Article 2023 31st Signal Processing and Communications Applications Conference (SIU …, 2023. BibTeX @article{pop00009b,
title = {An Origami-Inspired Low-Cost Waveguide Design, Fabrication and Measurements for X-band Satellite Communication Systems},
author = {A Karatay and E Ataç and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {2023 31st Signal Processing and Communications Applications Conference (SIU …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yaman, F; Zimmermann, F JACOW: Studies and Possible Mitigation of Electron Cloud Effects in FCC-ee Journal Article JACoW eeFACT, 2022 , pp. 154–158, 2023. BibTeX @article{pop00010,
title = {JACOW: Studies and Possible Mitigation of Electron Cloud Effects in FCC-ee},
author = {F Yaman and F Zimmermann},
year = {2023},
date = {2023-01-01},
journal = {JACoW eeFACT},
volume = {2022},
pages = {154--158},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yılmaz, HÖ; Özkal, C; Yaman, F Cost-effective experiments with additively manufactured waveguide and cavities in the S-band Journal Article Measurement Science and Technology, 34 (8), pp. 85904–85904, 2023. BibTeX @article{pop00001_31,
title = {Cost-effective experiments with additively manufactured waveguide and cavities in the S-band},
author = {A Karatay and HÖ Yılmaz and C Özkal and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {Measurement Science and Technology},
volume = {34},
number = {8},
pages = {85904--85904},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Özkal, C; Yaman, F A non-resonant approach for dielectric constant reconstructions via Newton iterations Journal Article AEU-International Journal of Electronics and Communications, 154802 , 2023. BibTeX @article{pop00002u,
title = {A non-resonant approach for dielectric constant reconstructions via Newton iterations},
author = {C Özkal and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {AEU-International Journal of Electronics and Communications},
volume = {154802},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yaman, F Liquid metal-tunable miniaturized bimodal cavity for enhanced measurement accuracy in the ISM bands Journal Article IEEE Transactions on Instrumentation and Measurement, 2023. BibTeX @article{pop00003y,
title = {Liquid metal-tunable miniaturized bimodal cavity for enhanced measurement accuracy in the ISM bands},
author = {A Karatay and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {IEEE Transactions on Instrumentation and Measurement},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yaman, F Liquid Metal-Controlled Dual-Band Doppler Radar for Enhanced Velocity Measurement Journal Article IEEE Transactions on Instrumentation and Measurement, 2023. BibTeX @article{pop00004u,
title = {Liquid Metal-Controlled Dual-Band Doppler Radar for Enhanced Velocity Measurement},
author = {A Karatay and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {IEEE Transactions on Instrumentation and Measurement},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Karatay, A; Ataç, E; Yaman, F Towards Cost-Effective and Lightweight Doppler Radars: Papercraft-Based Components and Comparisons with Aluminum and 3D Printed Alternatives Journal Article IEEE Transactions on Antennas and Propagation, 2023. BibTeX @article{pop00005p,
title = {Towards Cost-Effective and Lightweight Doppler Radars: Papercraft-Based Components and Comparisons with Aluminum and 3D Printed Alternatives},
author = {A Karatay and E Ataç and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {IEEE Transactions on Antennas and Propagation},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Karatay, A; Olcay, BO; Yaman, F Improving Microwave Component Characterization Using Wavelet Denoising Method Journal Article 2023 31st Signal Processing and Communications Applications Conference (SIU …, 2023. BibTeX @article{pop00007l,
title = {Improving Microwave Component Characterization Using Wavelet Denoising Method},
author = {A Karatay and BO Olcay and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {2023 31st Signal Processing and Communications Applications Conference (SIU …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Ataç, E; Yaman, F An Origami-Inspired Low-Cost Waveguide Design, Fabrication and Measurements for X-band Satellite Communication Systems Journal Article 2023 31st Signal Processing and Communications Applications Conference (SIU …, 2023. BibTeX @article{pop00008m,
title = {An Origami-Inspired Low-Cost Waveguide Design, Fabrication and Measurements for X-band Satellite Communication Systems},
author = {A Karatay and E Ataç and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {2023 31st Signal Processing and Communications Applications Conference (SIU …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Olcay, BO; Yaman, F Dalgacık gürültü giderme yöntemiyle mikrodalga bileşen karakterizasyonunun iyileştirilmesi Journal Article 2023 31st Signal Processing and Communications Applications Conference, SIU, 2023. BibTeX @article{pop00009l,
title = {Dalgacık gürültü giderme yöntemiyle mikrodalga bileşen karakterizasyonunun iyileştirilmesi},
author = {A Karatay and BO Olcay and F Yaman},
year = {2023},
date = {2023-01-01},
journal = {2023 31st Signal Processing and Communications Applications Conference, SIU},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yaman, F; Iadarola, G; Kersevan, R; Ogur, S; Ohmi, K; Zimmermann, F; ..., Mitigation of electron cloud effects in the FCC-ee collider Journal Article EPJ Techniques and Instrumentation, 9 (1), pp. 9–9, 2022. BibTeX @article{pop00001x,
title = {Mitigation of electron cloud effects in the FCC-ee collider},
author = {F Yaman and G Iadarola and R Kersevan and S Ogur and K Ohmi and F Zimmermann and ...},
year = {2022},
date = {2022-01-01},
journal = {EPJ Techniques and Instrumentation},
volume = {9},
number = {1},
pages = {9--9},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yılmaz, HÖ; Yaman, F Reconstructions of effective parameters for a metamaterial antenna via 3D-printed components Journal Article Journal of Electromagnetic Waves and Applications, 36 (11), pp. 1613–1631, 2022. BibTeX @article{pop00002p,
title = {Reconstructions of effective parameters for a metamaterial antenna via 3D-printed components},
author = {HÖ Yılmaz and F Yaman},
year = {2022},
date = {2022-01-01},
journal = {Journal of Electromagnetic Waves and Applications},
volume = {36},
number = {11},
pages = {1613--1631},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yaman, F Electromagnetic effects of equatorially misaligned RF cavities Journal Article Journal of Instrumentation 16 (06), P, 6014 , 2021. BibTeX @article{pop00001m,
title = {Electromagnetic effects of equatorially misaligned RF cavities},
author = {A Karatay and F Yaman},
year = {2021},
date = {2021-01-01},
journal = {Journal of Instrumentation 16 (06), P},
volume = {6014},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yaman, F Electron-cloud build-up simulations for the FCC-ee damping ring Journal Article 135th FCC-ee optics design meeting & 6th FCCIS W, 2 , pp. 2–2, 2021. BibTeX @article{pop00004p,
title = {Electron-cloud build-up simulations for the FCC-ee damping ring},
author = {F Yaman},
year = {2021},
date = {2021-01-01},
journal = {135th FCC-ee optics design meeting & 6th FCCIS W},
volume = {2},
pages = {2--2},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yaman, F Numerical investigations of resistive wall wake potentials Journal Article Electronics Letters, 56 (3), pp. 129–132, 2020. BibTeX @article{pop00002h,
title = {Numerical investigations of resistive wall wake potentials},
author = {F Yaman},
year = {2020},
date = {2020-01-01},
journal = {Electronics Letters},
volume = {56},
number = {3},
pages = {129--132},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yılmaz, HÖ; Yaman, F Metamaterial antenna designs for a 5.8-GHz Doppler radar Journal Article IEEE Transactions on Instrumentation and Measurement, 69 (4), pp. 1775–1782, 2019. BibTeX @article{pop00004k,
title = {Metamaterial antenna designs for a 5.8-GHz Doppler radar},
author = {HÖ Yılmaz and F Yaman},
year = {2019},
date = {2019-01-01},
journal = {IEEE Transactions on Instrumentation and Measurement},
volume = {69},
number = {4},
pages = {1775--1782},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yaman, F Fully 3d printed bead-pull measurement of an elliptical cavity Journal Article the proceedings of the 35^ th International Physics Congress (TPS35 …, 2019. BibTeX @article{pop00007i,
title = {Fully 3d printed bead-pull measurement of an elliptical cavity},
author = {A Karatay and F Yaman},
year = {2019},
date = {2019-01-01},
journal = {the proceedings of the 35^ th International Physics Congress (TPS35 …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yaman, F Quantification of resistive wall instability for particle accelerator machines Journal Article Turkish Journal of Electrical Engineering & Computer Sciences, 27 (6), pp. 4756–4767, 2019. BibTeX @article{pop00008j,
title = {Quantification of resistive wall instability for particle accelerator machines},
author = {F Yaman},
year = {2019},
date = {2019-01-01},
journal = {Turkish Journal of Electrical Engineering & Computer Sciences},
volume = {27},
number = {6},
pages = {4756--4767},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Karatay, A; Yaman, F Electromagnetic simulations of mechanical imperfections for accelerator cavities Journal Article IEEE Transactions on Nuclear Science, 66 (11), pp. 2295–2304, 2019. BibTeX @article{pop00009h,
title = {Electromagnetic simulations of mechanical imperfections for accelerator cavities},
author = {A Karatay and F Yaman},
year = {2019},
date = {2019-01-01},
journal = {IEEE Transactions on Nuclear Science},
volume = {66},
number = {11},
pages = {2295--2304},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yilmaz, Hasan Onder; Yaman, Fatih Meta-material Antenna Designs for a 5.8 GHz Doppler Radar Journal Article IEEE Transactions on Instrumentation and Measurement, 2019, ISSN: 0018-9456. Links | BibTeX @article{Yilmaz2019,
title = {Meta-material Antenna Designs for a 5.8 GHz Doppler Radar},
author = {Hasan Onder Yilmaz and Fatih Yaman},
doi = {10.1109/tim.2019.2914131},
issn = {0018-9456},
year = {2019},
date = {2019-01-01},
journal = {IEEE Transactions on Instrumentation and Measurement},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Karatay, Anıl; Orcan, Durmuş; Özkal, Ceren; Yaman, Fatih Implementation and experimental verifications of microstrip antennas for angular scanning of a Doppler radar Journal Article AEU - International Journal of Electronics and Communications, 2019, ISSN: 16180399. Abstract | Links | BibTeX @article{Karatay2019,
title = {Implementation and experimental verifications of microstrip antennas for angular scanning of a Doppler radar},
author = {Anıl Karatay and Durmuş Orcan and Ceren Özkal and Fatih Yaman},
doi = {10.1016/j.aeue.2019.01.020},
issn = {16180399},
year = {2019},
date = {2019-01-01},
journal = {AEU - International Journal of Electronics and Communications},
abstract = {The aim of this study is to improve operational capabilities and range of the MIT-Coffee Can Doppler radar via aperture coupled Vivaldi type transmitter antenna, patch array receiver antenna, and an unequal power divider. Accordingly, a mechanical angular scanning feature for tracking multi-targets and the system integration of lightweight microstrip structures are realized for the radar. A narrow beamwidth in the receiver and a well impedance matching on the overall system to reduce return losses are achieved for the considered application. Good agreements between simulations and measurements for the fabricated antennas/divider and a successful integration of the antennas to the existing system for finding a moving target angular location is reported. It is shown that through wall identification and target velocity at scanned regions can be obtained with the proposed hardware configuration. Simulation results of antenna parameters for various number of array elements are listed which could be a useful tool for different engineering applications.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The aim of this study is to improve operational capabilities and range of the MIT-Coffee Can Doppler radar via aperture coupled Vivaldi type transmitter antenna, patch array receiver antenna, and an unequal power divider. Accordingly, a mechanical angular scanning feature for tracking multi-targets and the system integration of lightweight microstrip structures are realized for the radar. A narrow beamwidth in the receiver and a well impedance matching on the overall system to reduce return losses are achieved for the considered application. Good agreements between simulations and measurements for the fabricated antennas/divider and a successful integration of the antennas to the existing system for finding a moving target angular location is reported. It is shown that through wall identification and target velocity at scanned regions can be obtained with the proposed hardware configuration. Simulation results of antenna parameters for various number of array elements are listed which could be a useful tool for different engineering applications. |
Yaman, Fatih; Weiland, Thomas Inhomogeneity reconstructions in tendon ducts via boundary integral equations Journal Article NDT and E International, 2014, ISSN: 09638695. Abstract | Links | BibTeX @article{Yaman2014a,
title = {Inhomogeneity reconstructions in tendon ducts via boundary integral equations},
author = {Fatih Yaman and Thomas Weiland},
doi = {10.1016/j.ndteint.2014.08.007},
issn = {09638695},
year = {2014},
date = {2014-01-01},
journal = {NDT and E International},
abstract = {In this study, as an alternative to the formerly presented investigations, Newton-type numerical algorithms are proposed to find location and shape of an air void inside of a tendon duct and to identify gathered metallic bars in a concrete column. The simulated structures are illuminated by four acoustic sources at a fixed frequency such that the scattered field is measured in a near-field region at 128 points. According to the nature of physical problems, the Dirichlet boundary condition is employed to model air-filled cavities and transmission conditions are assumed for metallic objects. Additionally, conductive boundary conditions are suggested for a more realistic representation of the inhomogeneities for the rusty metallic skin of the duct. Potential approaches are used to derive boundary integral equations. The proper treatment of the ill-conditioned equations is established via Tikhonov regularization. Applicability of the proposed inversion algorithms is tested with realistic parameters for different scenarios using noisy scattered field data and accurate numerical results are presented at 10 kHz for the unknown physical properties of the duct's skin.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
In this study, as an alternative to the formerly presented investigations, Newton-type numerical algorithms are proposed to find location and shape of an air void inside of a tendon duct and to identify gathered metallic bars in a concrete column. The simulated structures are illuminated by four acoustic sources at a fixed frequency such that the scattered field is measured in a near-field region at 128 points. According to the nature of physical problems, the Dirichlet boundary condition is employed to model air-filled cavities and transmission conditions are assumed for metallic objects. Additionally, conductive boundary conditions are suggested for a more realistic representation of the inhomogeneities for the rusty metallic skin of the duct. Potential approaches are used to derive boundary integral equations. The proper treatment of the ill-conditioned equations is established via Tikhonov regularization. Applicability of the proposed inversion algorithms is tested with realistic parameters for different scenarios using noisy scattered field data and accurate numerical results are presented at 10 kHz for the unknown physical properties of the duct's skin. |
Boine-Frankenheim, O; Gjonaj, E; Petrov, F; Yaman, F; Weiland, T; ..., Energy loss and longitudinal wakefield of relativistic short proton bunches in electron clouds Journal Article Physical Review Special Topics-Accelerators and Beams, 15 (5), pp. 54402–54402, 2012. BibTeX @article{pop00005db,
title = {Energy loss and longitudinal wakefield of relativistic short proton bunches in electron clouds},
author = {O Boine-Frankenheim and E Gjonaj and F Petrov and F Yaman and T Weiland and ...},
year = {2012},
date = {2012-01-01},
journal = {Physical Review Special Topics-Accelerators and Beams},
volume = {15},
number = {5},
pages = {54402--54402},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F; Ackermann, W; Weiland, T COMPARISON OF EIGENVALUE SOLVERS FOR LARGE SPARSE MATRIX PENCILS Journal Article ICAP, 2012 , pp. 287–289, 2012. BibTeX @article{pop00011cb,
title = {COMPARISON OF EIGENVALUE SOLVERS FOR LARGE SPARSE MATRIX PENCILS},
author = {F Yaman and W Ackermann and T Weiland},
year = {2012},
date = {2012-01-01},
journal = {ICAP},
volume = {2012},
pages = {287--289},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F; Gjonaj, E; Weiland, T Simulation of electron cloud effects to heavy ion beams Journal Article Verhandlungen der Deutschen Physikalischen Gesellschaft, 2011. BibTeX @article{pop00019e,
title = {Simulation of electron cloud effects to heavy ion beams},
author = {F Yaman and E Gjonaj and T Weiland},
year = {2011},
date = {2011-01-01},
journal = {Verhandlungen der Deutschen Physikalischen Gesellschaft},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
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Yaman, F; Gjonaj, E; Weiland, T; Rumolo, G ENERGY LOSS AND LONGITUDINAL WAKE FIELD OF RELATIVISTIC SHORT ION BUNCHES IN ELECTRON CLOUDS Journal Article IPAC, 2011 , 2011. BibTeX @article{pop00020f,
title = {ENERGY LOSS AND LONGITUDINAL WAKE FIELD OF RELATIVISTIC SHORT ION BUNCHES IN ELECTRON CLOUDS},
author = {F Yaman and E Gjonaj and T Weiland and G Rumolo},
year = {2011},
date = {2011-01-01},
journal = {IPAC},
volume = {2011},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F; Yapar, A; Kress, R Dielektrik silindir içerisine gömülü keyfi şekilli bir empedans silindirine ilişkin ters saçılma problemi Journal Article İTÜDERGİSİ/d, 10 (1), 2011. BibTeX @article{pop00026bb,
title = {Dielektrik silindir içerisine gömülü keyfi şekilli bir empedans silindirine ilişkin ters saçılma problemi},
author = {F Yaman and A Yapar and R Kress},
year = {2011},
date = {2011-01-01},
journal = {İTÜDERGİSİ/d},
volume = {10},
number = {1},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Rumolo, G; Boine-Frankenheim, O; Yaman, F; Gjonaj, E; Weiland, T Energy Loss and Longitudinal Wakefield of Relativistic Short Ion Bunches in Electron Clouds Journal Article Conf. Proc. 110904 (IPAC-2011-WEPC094), pp. 2229–2231, 2011. BibTeX @article{pop00027bb,
title = {Energy Loss and Longitudinal Wakefield of Relativistic Short Ion Bunches in Electron Clouds},
author = {G Rumolo and O Boine-Frankenheim and F Yaman and E Gjonaj and T Weiland},
year = {2011},
date = {2011-01-01},
journal = {Conf. Proc. 110904 (IPAC-2011-WEPC094)},
pages = {2229--2231},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, Fatih A combination of shape and conductivity function reconstruction methods for an inverse boundary value problem Journal Article Wave Motion, 2010, ISSN: 01652125. Abstract | Links | BibTeX @article{Yaman2010d,
title = {A combination of shape and conductivity function reconstruction methods for an inverse boundary value problem},
author = {Fatih Yaman},
doi = {10.1016/j.wavemoti.2009.10.004},
issn = {01652125},
year = {2010},
date = {2010-01-01},
journal = {Wave Motion},
abstract = {In this paper, an integral equation based method for the reconstruction of two-dimensional shape of a buried sound-soft obstacle and a real valued conductivity function defined over the exterior cylinder is presented. The direct problem considered here is to compute the scattered near/far field, for given shapes, wave numbers and conductivity function in the case of a single time-harmonic acoustic plane wave insonification. The aim of the inverse problem is to find the shape of the buried sound-soft obstacle as well as the conductivity function from the knowledge of the near/far field for given shape of the homogenous outer cylinder. In order to avoid an inverse crime different Potential approaches are used to derive a system of boundary integral equations and they are evaluated by using Nyström method numerically. To get stable solutions for the first kind of integral equations Tikhonov regularization is applied. Finally, numerical results are presented out to test the applicability and the effectiveness of the method. textcopyright 2009 Elsevier B.V. All rights reserved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
In this paper, an integral equation based method for the reconstruction of two-dimensional shape of a buried sound-soft obstacle and a real valued conductivity function defined over the exterior cylinder is presented. The direct problem considered here is to compute the scattered near/far field, for given shapes, wave numbers and conductivity function in the case of a single time-harmonic acoustic plane wave insonification. The aim of the inverse problem is to find the shape of the buried sound-soft obstacle as well as the conductivity function from the knowledge of the near/far field for given shape of the homogenous outer cylinder. In order to avoid an inverse crime different Potential approaches are used to derive a system of boundary integral equations and they are evaluated by using Nyström method numerically. To get stable solutions for the first kind of integral equations Tikhonov regularization is applied. Finally, numerical results are presented out to test the applicability and the effectiveness of the method. textcopyright 2009 Elsevier B.V. All rights reserved. |
Kress, Rainer; Yaman, Fatih; Yapar, Ali; Akduman, Ibrahim Inverse scattering for an impedance cylinder buried in a dielectric cylinder Journal Article Inverse Problems in Science and Engineering, 2009, ISSN: 17415977. Links | BibTeX @article{Kress2009,
title = {Inverse scattering for an impedance cylinder buried in a dielectric cylinder},
author = {Rainer Kress and Fatih Yaman and Ali Yapar and Ibrahim Akduman},
doi = {10.1080/17415970802131760},
issn = {17415977},
year = {2009},
date = {2009-01-01},
journal = {Inverse Problems in Science and Engineering},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, Fatih Location and shape reconstructions of sound-soft obstacles buried in penetrable cylinders Journal Article Inverse Problems, 2009, ISSN: 02665611. Abstract | Links | BibTeX @article{Yaman2009,
title = {Location and shape reconstructions of sound-soft obstacles buried in penetrable cylinders},
author = {Fatih Yaman},
doi = {10.1088/0266-5611/25/6/065005},
issn = {02665611},
year = {2009},
date = {2009-01-01},
journal = {Inverse Problems},
abstract = {In this paper, we present a method for the solution of a location and$backslash$nshape reconstruction problem related to sound-soft obstacles buried in$backslash$narbitrarily shaped penetrable cylinders in two dimensions. The direct$backslash$nproblem considered here is to obtain the scattered near/far-field in the$backslash$ncase of a single time-harmonic acoustic plane wave insonification. The$backslash$naim of the inverse problem is to find the shape as well as the location$backslash$nof the buried scatterer from the limited/full aperture measurements of$backslash$nthe scattered field via Newton iterations. Both for the direct and$backslash$ninverse scattering problems, different potential (layer) approaches are$backslash$nused to derive a system of boundary integral equations. The integral$backslash$nequations are evaluated by using Nystrom and collocation methods.$backslash$nMoreover, in order to obtain a stable solution of the first kind of$backslash$nFredholm-type integral equations Tikhonov regularization is employed. We$backslash$ntest the applicability and the effectiveness of the inversion algorithm$backslash$nalso with noisy limited far-field data and obtain satisfactory numerical$backslash$nresults as illustrated in the last section.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
In this paper, we present a method for the solution of a location and$backslash$nshape reconstruction problem related to sound-soft obstacles buried in$backslash$narbitrarily shaped penetrable cylinders in two dimensions. The direct$backslash$nproblem considered here is to obtain the scattered near/far-field in the$backslash$ncase of a single time-harmonic acoustic plane wave insonification. The$backslash$naim of the inverse problem is to find the shape as well as the location$backslash$nof the buried scatterer from the limited/full aperture measurements of$backslash$nthe scattered field via Newton iterations. Both for the direct and$backslash$ninverse scattering problems, different potential (layer) approaches are$backslash$nused to derive a system of boundary integral equations. The integral$backslash$nequations are evaluated by using Nystrom and collocation methods.$backslash$nMoreover, in order to obtain a stable solution of the first kind of$backslash$nFredholm-type integral equations Tikhonov regularization is employed. We$backslash$ntest the applicability and the effectiveness of the inversion algorithm$backslash$nalso with noisy limited far-field data and obtain satisfactory numerical$backslash$nresults as illustrated in the last section. |
Kress, R; Tezel, N; Yaman, F A second order Newton method for sound soft inverse obstacle scattering Journal Article Journal of Inverse and Ill-Posed Problems, 17 (2), pp. 173–185, 2009. BibTeX @article{pop00003cb,
title = {A second order Newton method for sound soft inverse obstacle scattering},
author = {R Kress and N Tezel and F Yaman},
year = {2009},
date = {2009-01-01},
journal = {Journal of Inverse and Ill-Posed Problems},
volume = {17},
number = {2},
pages = {173--185},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F; Şimşek, S Shape reconstruction of an inhomogeneous impedance cylinder via potential and Neural Network approach Journal Article Microwave and Optical Technology Letters, 51 (1), pp. 119–124, 2009. BibTeX @article{pop00012d,
title = {Shape reconstruction of an inhomogeneous impedance cylinder via potential and Neural Network approach},
author = {F Yaman and S Şimşek},
year = {2009},
date = {2009-01-01},
journal = {Microwave and Optical Technology Letters},
volume = {51},
number = {1},
pages = {119--124},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F Inverse scattering problems for the objects buried in penetrable cylinders Journal Article PhD Thesis, Istanbul Technical University, 2009. BibTeX @article{pop00016b,
title = {Inverse scattering problems for the objects buried in penetrable cylinders},
author = {F Yaman},
year = {2009},
date = {2009-01-01},
journal = {PhD Thesis, Istanbul Technical University},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F Geçirgen Silindirler İçerisine Gömülü Cisimler İçin Ters Saçılma Problemleri Journal Article Fen Bilimleri Enstitüsü, 2009. BibTeX @article{pop00028bb,
title = {Geçirgen Silindirler İçerisine Gömülü Cisimler İçin Ters Saçılma Problemleri},
author = {F Yaman},
year = {2009},
date = {2009-01-01},
journal = {Fen Bilimleri Enstitüsü},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F Numerical solution of an inverse conductive boundary value problem Journal Article Radio Science, 43 (6), pp. 1–10, 2008. BibTeX @article{pop00006d,
title = {Numerical solution of an inverse conductive boundary value problem},
author = {F Yaman},
year = {2008},
date = {2008-01-01},
journal = {Radio Science},
volume = {43},
number = {6},
pages = {1--10},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F Inverse scattering of an arbitrarily shaped buried scatterer with conductive boundary condition Journal Article Proceedings of the 8th World Congress on Computational Mechanics and 5th …, 2008. BibTeX @article{pop00013c,
title = {Inverse scattering of an arbitrarily shaped buried scatterer with conductive boundary condition},
author = {F Yaman},
year = {2008},
date = {2008-01-01},
journal = {Proceedings of the 8th World Congress on Computational Mechanics and 5th …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F; Şimc̈ek, S Erratum: Neural network approach to determine nonsmooth one‐dimensional profiles in inverse scattering theory Journal Article Microwave and Optical Technology Letters, 50 (2), pp. 549–549, 2008. BibTeX @article{pop00030d,
title = {Erratum: Neural network approach to determine nonsmooth one‐dimensional profiles in inverse scattering theory},
author = {F Yaman and S Şimc̈ek},
year = {2008},
date = {2008-01-01},
journal = {Microwave and Optical Technology Letters},
volume = {50},
number = {2},
pages = {549--549},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F; Simçsek, S Neural network approach to determine nonsmooth one‐dimensional profiles in inverse scattering theory Journal Article Microwave and Optical Technology Letters, 49 (12), pp. 3158–3162, 2007. BibTeX @article{pop00007bb,
title = {Neural network approach to determine nonsmooth one‐dimensional profiles in inverse scattering theory},
author = {F Yaman and S Simçsek},
year = {2007},
date = {2007-01-01},
journal = {Microwave and Optical Technology Letters},
volume = {49},
number = {12},
pages = {3158--3162},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Yaman, F; Yapar, A One-Dimensional Profile Inversion of a Planar Layer Bounded by an Inhomogeneous Impedance Boundary Journal Article Proceedings of XIth International Seminar/Workshop on Direct and Inverse …, 2006. BibTeX @article{pop00014cb,
title = {One-Dimensional Profile Inversion of a Planar Layer Bounded by an Inhomogeneous Impedance Boundary},
author = {F Yaman and A Yapar},
year = {2006},
date = {2006-01-01},
journal = {Proceedings of XIth International Seminar/Workshop on Direct and Inverse …},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Inproceedings
|
Cetinkaya, Hakan; Caǧlar, Asllhan; Cicek, Cihan; Özbey, Aydln; Sunar, Ezgi; Türemen, Görkem; Ylldlz, Hüseyin; Yüncü, Alperen; Özcan, Erkcan; Ünel, Gökhan; Yaman, Fatih KAHVE Laboratory RF circulator and transmission line project Inproceedings AIP Conference Proceedings, 2018, ISSN: 15517616. Abstract | Links | BibTeX @inproceedings{Cetinkaya2018,
title = {KAHVE Laboratory RF circulator and transmission line project},
author = {Hakan Cetinkaya and Asllhan Caǧlar and Cihan Cicek and Aydln Özbey and Ezgi Sunar and Görkem Türemen and Hüseyin Ylldlz and Alperen Yüncü and Erkcan Özcan and Gökhan Ünel and Fatih Yaman},
doi = {10.1063/1.5025983},
issn = {15517616},
year = {2018},
date = {2018-01-01},
booktitle = {AIP Conference Proceedings},
abstract = {textcopyright 2018 Author(s). An 800 MHz RF circulator and transmission line project has recently started at the newly commissioned Kandilli Detector, Accelerator and Instrumentation (KAHVE) Laboratory at the Boǧaziçi University. The aims are to design, build and construct an RF circulator and transmission line in Turkey for high power and high frequency applications. The project consists of 8 transmission line elements: 800 MHz RF generator with 60 kW power (klystron), klystron to waveguide converter, waveguides, E and H bends, 3-port circulator and waveguide to coaxial converter to transmit RF power to a pillbox RF cavity. Design studies and details of the ongoing project will be presented.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
textcopyright 2018 Author(s). An 800 MHz RF circulator and transmission line project has recently started at the newly commissioned Kandilli Detector, Accelerator and Instrumentation (KAHVE) Laboratory at the Boǧaziçi University. The aims are to design, build and construct an RF circulator and transmission line in Turkey for high power and high frequency applications. The project consists of 8 transmission line elements: 800 MHz RF generator with 60 kW power (klystron), klystron to waveguide converter, waveguides, E and H bends, 3-port circulator and waveguide to coaxial converter to transmit RF power to a pillbox RF cavity. Design studies and details of the ongoing project will be presented. |
Yaman, Fatih; Weiland, Thomas Location and shape reconstructions of objects buried in inhomogeneously penetrable cylinders Inproceedings Proceedings of the 2013 International Conference on Electromagnetics in Advanced Applications, ICEAA 2013, 2013, ISBN: 9781467357074. Links | BibTeX @inproceedings{Yaman2013e,
title = {Location and shape reconstructions of objects buried in inhomogeneously penetrable cylinders},
author = {Fatih Yaman and Thomas Weiland},
doi = {10.1109/ICEAA.2013.6632499},
isbn = {9781467357074},
year = {2013},
date = {2013-01-01},
booktitle = {Proceedings of the 2013 International Conference on Electromagnetics in Advanced Applications, ICEAA 2013},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
Miscellaneous
|
Yaman, F; Kersevan, R; Ogur, S; Zimmermann, F; Ohmi, K; Iadarola, G; ..., arXiv: Mitigation of Electron Cloud Effects in the FCC-ee Collider Miscellaneous 2022. BibTeX @misc{pop00003u,
title = {arXiv: Mitigation of Electron Cloud Effects in the FCC-ee Collider},
author = {F Yaman and R Kersevan and S Ogur and F Zimmermann and K Ohmi and G Iadarola and ...},
year = {2022},
date = {2022-01-01},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
|
Yaman, F; Schulte, D; Iadarola, G CLIC-DR electron cloud build up simulations Miscellaneous 2020. BibTeX @misc{pop00003m,
title = {CLIC-DR electron cloud build up simulations},
author = {F Yaman and D Schulte and G Iadarola},
year = {2020},
date = {2020-01-01},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
|
Özkal, C; Yaman, F Investigations for Increasing the Accuracy of Dielectric Constant Measurements Miscellaneous 2019. BibTeX @misc{pop00010j,
title = {Investigations for Increasing the Accuracy of Dielectric Constant Measurements},
author = {C Özkal and F Yaman},
year = {2019},
date = {2019-01-01},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
|
Yaman, Fatih; Yakhno, Valery G; Özdemir, Caner; Yu, Tzu Yang; Potthast, Roland Recent theory and applications on inverse problems 2014 Miscellaneous 2015, ISSN: 15635147. Abstract | Links | BibTeX @misc{Yaman2015a,
title = {Recent theory and applications on inverse problems 2014},
author = {Fatih Yaman and Valery G Yakhno and Caner Özdemir and Tzu Yang Yu and Roland Potthast},
doi = {10.1155/2015/403729},
issn = {15635147},
year = {2015},
date = {2015-01-01},
booktitle = {Mathematical Problems in Engineering},
abstract = {Fine particulate matter emitted during meat cooking is known to contribute a significant fraction of the total fine aerosol concentration in urban areas. In the present study, polar organiccompoundsinmeatsmokefine particulate matter are converted to their trimethylsilyl derivatives and analyzed by gas chromatography/mass spectrometry. Silylation enables the detection of monoglycerides in the meat smoke extracts and enhances the detection of cholesterol. These compounds are detected in atmospheric fine particle samples collected in Bakersfield, CA, with relative abundances that show substantial agreement betweenthemeatsmokesource samplesandthe atmosphere. The data suggest that the saturated monoglycerides, as well as cholesterol, may be suitable for use as tracers for the atmospheric particles generated by meat cooking operations.},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
Fine particulate matter emitted during meat cooking is known to contribute a significant fraction of the total fine aerosol concentration in urban areas. In the present study, polar organiccompoundsinmeatsmokefine particulate matter are converted to their trimethylsilyl derivatives and analyzed by gas chromatography/mass spectrometry. Silylation enables the detection of monoglycerides in the meat smoke extracts and enhances the detection of cholesterol. These compounds are detected in atmospheric fine particle samples collected in Bakersfield, CA, with relative abundances that show substantial agreement betweenthemeatsmokesource samplesandthe atmosphere. The data suggest that the saturated monoglycerides, as well as cholesterol, may be suitable for use as tracers for the atmospheric particles generated by meat cooking operations. |
Yaman, Fatih; Yakhno, Valery G; Potthast, Roland A survey on inverse problems for applied sciences Miscellaneous 2013, ISSN: 1024123X. Abstract | Links | BibTeX @misc{Yaman2013a,
title = {A survey on inverse problems for applied sciences},
author = {Fatih Yaman and Valery G Yakhno and Roland Potthast},
doi = {10.1155/2013/976837},
issn = {1024123X},
year = {2013},
date = {2013-01-01},
booktitle = {Mathematical Problems in Engineering},
abstract = {The aim of this paper is to introduce inversion-based engineering applications and to investigate some of the important ones from mathematical point of view. To do this we employ acoustic, electromagnetic, and elastic waves for presenting different types of inverse problems. More specifically, we first study location, shape, and boundary parameter reconstruction algorithms for the inaccessible targets in acoustics. The inverse problems for the time-dependent differential equations of isotropic and anisotropic elasticity are reviewed in the following section of the paper. These problems were the objects of the study by many authors in the last several decades. The physical interpretations for almost all of these problems are given, and the geophysical applications for some of them are described. In our last section, an introduction with many links into the literature is given for modern algorithms which combine techniques from classical inverse problems with stochastic tools into ensemble methods both for data assimilation as well as for forecasting.},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
The aim of this paper is to introduce inversion-based engineering applications and to investigate some of the important ones from mathematical point of view. To do this we employ acoustic, electromagnetic, and elastic waves for presenting different types of inverse problems. More specifically, we first study location, shape, and boundary parameter reconstruction algorithms for the inaccessible targets in acoustics. The inverse problems for the time-dependent differential equations of isotropic and anisotropic elasticity are reviewed in the following section of the paper. These problems were the objects of the study by many authors in the last several decades. The physical interpretations for almost all of these problems are given, and the geophysical applications for some of them are described. In our last section, an introduction with many links into the literature is given for modern algorithms which combine techniques from classical inverse problems with stochastic tools into ensemble methods both for data assimilation as well as for forecasting. |
Yaman, Fatih; Yakhno, Valery G; Potthast, Roland Recent theory and applications on inverse problems Miscellaneous 2013, ISSN: 1024123X. Links | BibTeX @misc{Yaman2013c,
title = {Recent theory and applications on inverse problems},
author = {Fatih Yaman and Valery G Yakhno and Roland Potthast},
doi = {10.1155/2013/303154},
issn = {1024123X},
year = {2013},
date = {2013-01-01},
booktitle = {Mathematical Problems in Engineering},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
|
YAMAN, F ISTANBUL TECHNICAL UNIVERSITY 击 INSTITUTE OF SCIENCE AND TECHNOLOGY Miscellaneous 2009. BibTeX @misc{pop00029bb,
title = {ISTANBUL TECHNICAL UNIVERSITY 击 INSTITUTE OF SCIENCE AND TECHNOLOGY},
author = {F YAMAN},
year = {2009},
date = {2009-01-01},
keywords = {},
pubstate = {published},
tppubtype = {misc}
}
|
