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Hiroshi SHIRAI

High Frequency Electromagnetic Scattering Analysis by Rectangular Cylinders - TM Polarization - Hieu Ngoc QUANG Hiroshi SHIRAI
Publication: Publication Date: 2019/01/01 Vol. E102-C No. 1 pp. 21-29 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: equivalent current, electromagnetic scattering, rectangular cylinder, dielectric cylinder,
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Kirchhoff Approximation Analysis of Plane Wave Scattering by Conducting Thick Slits Khanh Nam NGUYEN Hiroshi SHIRAI
Publication: Publication Date: 2019/01/01 Vol. E102-C No. 1 pp. 12-20 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: kirchhoff approximation, plane wave scattering, conducting thick slit,
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A New Interpretation of Physical Optics Approximation from Surface Equivalence Theorem Hieu Ngoc QUANG Hiroshi SHIRAI
Publication: Publication Date: 2018/08/01 Vol. E101-C No. 8 pp. 664-670 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: surface equivalence theorem, physical optics, PO, geometrical optics, wedge diffraction,
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Theoretical Limit of the Radiation Efficiency for Electrically Small Self-Resonant Spherical Surface Antennas Keisuke FUJITA Hiroshi SHIRAI
Publication: Publication Date: 2017/01/01 Vol. E100-C No. 1 pp. 20-26 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: electrically small antennas, spherical helix antennas, spherical wave expansion, self-resonant antennas,
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A Free Space Permittivity Measurement at Microwave Frequencies for Solid Materials An Ngoc NGUYEN Hiroshi SHIRAI
Publication: Publication Date: 2017/01/01 Vol. E100-C No. 1 pp. 52-59 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: kirchhoff approximation, dielectric cuboids, free space method, permittivity measurement,
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New Estimation Method for the Operational Low Frequency End of Antipodal Vivaldi Antennas Hien Ba CHU Hiroshi SHIRAI Chien Dao NGOC
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/08/01 Vol. E99-C No. 8 pp. 947-955 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: tapered slot antennas, antipodal Vivaldi antennas, ultra wideband,
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Electromagnetic Scattering Analysis from Rectangular Dielectric Cuboids - TE Polarization - An Ngoc NGUYEN Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/01/01 Vol. E99-C No. 1 pp. 11-17 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: Kirchhoff approximation, equivalent current, backscattering, dielectric cuboids,
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Electromagnetic Plane Wave Diffraction by Loaded N-Slits on Thick Conducting Screen Ryoichi SATO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/01/01 Vol. E99-C No. 1 pp. 72-75 Type of Manuscript: BRIEF PAPER Category: Keyword: Kobayashi potential, Weber-Schafheitlin discontinuous integrals, periodic structure with finite extent, multiple scattering by slits,
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FOREWORD Motoyuki SATO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/01/01 Vol. E99-C No. 1 pp. 1-2 Type of Manuscript: FOREWORD Category: Keyword:
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FOREWORD Hiroshi SHIRAI Motoyuki SATO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/01/01 Vol. E98-C No. 1 pp. 1-1 Type of Manuscript: FOREWORD Category: Keyword:
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Theoretical Limitation of the Radiation Efficiency for Homogenous Electrically Small Antennas Keisuke FUJITA Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/01/01 Vol. E98-C No. 1 pp. 2-7 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: electrically small antenna, radiation efficiency, spherical wave functions,
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FOREWORD Masahiko NISHIMOTO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/01/01 Vol. E97-C No. 1 pp. 1-2 Type of Manuscript: FOREWORD Category: Keyword:
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FOREWORD Masahiko NISHIMOTO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/01/01 Vol. E96-C No. 1 pp. 1-2 Type of Manuscript: FOREWORD Category: Keyword:
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A Delta-Sigma Modulator Using a Non-uniform Quantizer Adjusted for the Probability Density of Input Signals Toru KITAYABU Mao HAGIWARA Hiroyasu ISHIKAWA Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/07/01 Vol. E95-B No. 7 pp. 2257-2265 Type of Manuscript: PAPER Category: Fundamental Theories for Communications Keyword: delta-sigma modulator, non-uniform quantizer, quantization noise,
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High Frequency Ray-Mode Coupling Analysis of Plane Wave Diffraction by a Wide and Thick Slit on a Conducting Screen Hiroshi SHIRAI Ryoichi SATO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/01/01 Vol. E95-C No. 1 pp. 10-15 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Scattering and Diffraction Keyword: ray-mode coupling, diffraction, GTD, thick slit,
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Modification of Ray-Launching Method for Accurate 2D Indoor Propagation Analysis Ryoichi SATO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/01/01 Vol. E94-C No. 1 pp. 55-58 Type of Manuscript: BRIEF PAPER Category: Radiation and Propagation Keyword: ray-launching method, shooting and bouncing rays, collective ray, multiple reflections, Brewster's angle, indoor propagation,
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Efficient Ray-Launching Method For 2D Indoor Propagation Analysis Ryoichi SATO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/01/01 Vol. E92-C No. 1 pp. 40-45 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and its Application) Category: Keyword: ray-launching method, shooting and bouncing rays, collective ray, complex refraction angle, multiple reflections, indoor propagation,
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Empirical Investigation of the LOS Propagation Characteristics on an Undulating Road for Millimeter Wave Inter-Vehicle Communication Atsushi YAMAMOTO Koichi OGAWA Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/09/01 Vol. E90-C No. 9 pp. 1807-1815 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Antennas/Systems Keyword: ITS, inter-vehicle communications, LOS, road undulation,
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Cyclic Shifted-and-Extended Codes Based on a Quasi-Orthogonal Sequence for a CDM Transmission Scheme Kazuyuki SHIMEZAWA Hiroshi HARADA Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/11/01 Vol. E89-B No. 11 pp. 2998-3007 Type of Manuscript: PAPER Category: Transmission Systems and Transmission Equipment for Communications Keyword: zero cross-correlation, Quasi-Orthogonal sequence, Rake combining, cyclic shifted-and-extended codes, code division multiplexing,
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Reconstruction of Polygonal Cylindrical Targets with Curved Surfaces from Their Monostatic RCS Hiroshi SHIRAI Yoshinori HIRAMATSU Masashi SUZUKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/12/01 Vol. E88-C No. 12 pp. 2289-2294 Type of Manuscript: Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics) Category: Imaging Keyword: monostatic RCS, radar cross section, GTD, inverse scattering, equivalent source method,
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A New Sampling Frequency Selection Scheme in Undersampling Systems Yoshio KUNISAWA Naohiro SAHARA Hiroshi SHIRAI Hisato IWAI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/11/01 Vol. E88-B No. 11 pp. 4170-4175 Type of Manuscript: Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications) Category: Keyword: software defined radio, undersampling, sampling frequency, RF sampling,
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A New Iterative MoM/FDTD Formulation for Simulating Human Exposure to Electromagnetic Waves Shoji MOCHIZUKI Soichi WATANABE Masao TAKI Yukio YAMANAKA Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/09/01 Vol. E87-C No. 9 pp. 1540-1547 Type of Manuscript: Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications) Category: Basic Electromagnetic Analysis Keyword: SAR, iteration procedure, numerical hybrid method, FDTD method, Method of Moments,
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A New CDM Transmission Scheme with Cyclic Shifted-and- Extended Codes and a Cancellation Technique for Accumulated Cross-Correlation Values Kazuyuki SHIMEZAWA Hiroshi HARADA Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/08/01 Vol. E87-B No. 8 pp. 2212-2221 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: cross-correlation cancellation, cyclic shifted-and-extended codes, code division multiplexing, mobile radio communication,
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Electromagnetic Scattering Analysis for Crack Depth Estimation Hidenori SEKIGUCHI Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/11/01 Vol. E86-C No. 11 pp. 2224-2229 Type of Manuscript: Special Section PAPER (Special Issue on Analytical and Simulation Methods for Electromagnetic Wave Problems) Category: Keyword: crack depth estimation, radar cross section, RCS, time domain gating process, dip frequency,
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A Proposal of Overfill CDM Transmission Scheme for Future Road-Vehicle Communication Systems Kazuyuki SHIMEZAWA Hiroshi HARADA Hiroshi SHIRAI Masayuki FUJISE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/01/01 Vol. E86-B No. 1 pp. 68-78 Type of Manuscript: Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications) Category: Keyword: code division multiplexing, DSRC system, ITS, overfill CDM transmission scheme,
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An Adaptive Symbol Timing Synchronization Method for Multi-Mode & Multi-Service Software Radio Communications System Ryo SAWAI Hiroshi HARADA Hiroshi SHIRAI Masayuki FUJISE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/07/01 Vol. E84-B No. 7 pp. 1885-1896 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: software radio, symbol timing, synchronization, ITS,
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Applicability of Impedance Boundary Condition for Approximating a Loaded Trough on a Ground Plane Ryoichi SATO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/01/01 Vol. E84-C No. 1 pp. 123-125 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: impedance boundary condition, SIBC, Kobayashi and Nomura's method, rectangular trough,
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GTD Analysis for Evanescent Modal Excitation Hiroshi SHIRAI Yoshiyasu MATSUDA Ryoichi SATO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1997/01/25 Vol. E80-C No. 1 pp. 190-192 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: GTD, geometrical theory of diffraction, evanescent mode, parallel plane waveguide, modal excitation,
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Electromagnetic Plane Wave Scattering by a Loaded Trough on a Ground Plane Ryoichi SATO Hiroshi SHIRAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1994/12/25 Vol. E77-C No. 12 pp. 1983-1989 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: Weber-Schafheitlin's discontinuous integrals, plane wave scattering, trough,
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Ray Mode Coupling Analysis of Plane Wave Scattering by a Trough Hiroshi SHIRAI Kazuhiro HIRAYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/12/25 Vol. E76-B No. 12 pp. 1558-1563 Type of Manuscript: Special Section PAPER (Special Issue on 1992 Internatioal Symposium on Antennas and Propagation) Category: Keyword: plane wave scattering, trough, GTD, ray-mode coupling,
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Analysis of Time Transient EM Field Response from a Dielectric Spherical Cavity Hiroshi SHIRAI Eiji NAKANO Mikio YANO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1992/05/25 Vol. E75-C No. 5 pp. 627-634 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: transient analysis, dielectric sphere, singularity expansion method, wavefront expansion method, FFT,
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Transient Response by a Dielectric Cylinder due to a Line Source at the Center Hiroshi SHIRAI Akiomi HAMAKOSHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1991/01/25 Vol. E74-C No. 1 pp. 157-166 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword:
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Diffraction of Cylindrical Wave by Smooth and Polygonal Cylinders Hiroshi SHIRAI Kohei HONGO Hirokazu KOBAYASHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1983/02/25 Vol. E66-E No. 2 pp. 116-123 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword:
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