IEICE Trans

Hiroaki MIYASHITA

A Suspended Stripline Fed Dual-Polarized Open-Ended Waveguide Subarray with Metal Posts for Phased Array Antennas Narihiro NAKAMOTO Toru TAKAHASHI Toru FUKASAWA Naofumi YONEDA Hiroaki MIYASHITA
Publication: Publication Date: 2021/03/01 Vol. E104-B No. 3 pp. 295-303 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: antenna array, dual-polarization, open ended waveguide, phased array, suspended stripline,
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S-Parameter Analysis for Balanced and Unbalanced Modes Corresponding Dissipated Power of a Small Antenna Takashi YANAGI Yasuhiro NISHIOKA Toru FUKASAWA Naofumi YONEDA Hiroaki MIYASHITA
Publication: Publication Date: 2020/07/01 Vol. E103-B No. 7 pp. 780-786 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: balanced mode, unbalanced mode, S-parameter, self-balancing, measurement,
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Statistical Model Using Geometrical-Optical Space Classification: Expansion of Applicable Frequencies to the 5 GHz Band Takahiro HASHIMOTO Takayuki NAKANISHI Yoshio INASAWA Yasuhiro NISHIOKA Hiroaki MIYASHITA
Publication: Publication Date: 2018/02/01 Vol. E101-C No. 2 pp. 135-138 Type of Manuscript: BRIEF PAPER Category: Electromagnetic Theory Keyword: indoor propagation, office floor, propagation loss, statistical model, ray-tracing, space classification,
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Accuracy Improvement of Characteristic Basis Function Method by Using Multilevel Approach Tai TANAKA Yoshio INASAWA Naofumi YONEDA Hiroaki MIYASHITA
Publication: Publication Date: 2018/02/01 Vol. E101-C No. 2 pp. 96-103 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: characteristic basis function method (CBFM), method of moments (MoM), radar cross section (RCS), singular value decomposition (SVD),
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Simultaneous Optimal Design Method of Primary Radiator and Main Reflector for Shaped Beam Antennas Takashi TOMURA Michio TAKIKAWA Yoshio INASAWA Hiroaki MIYASHITA
Publication: Publication Date: 2017/02/01 Vol. E100-B No. 2 pp. 211-218 Type of Manuscript: Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Realization of Next Generation Wireless Systems) Category: Keyword: reflector antenna, shaped reflector, shaped beam, multimode horn, optimization,
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Element Gain Improvement for Phased Array Antenna Based on Radiation Pattern Reconfigurable Antenna Takashi MARUYAMA Takashi UESAKA Satoshi YAMAGUCHI Masataka OTSUKA Hiroaki MIYASHITA
Publication: Publication Date: 2017/01/01 Vol. E100-B No. 1 pp. 148-157 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: phased array antenna, radiation pattern reconfigurable antenna, Yagi-Uda antenna,
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Improved Primary-Characteristic Basis Function Method Considering Higher-Order Multiple Scattering Tai TANAKA Yoshio INASAWA Yasuhiro NISHIOKA Hiroaki MIYASHITA
Publication: Publication Date: 2017/01/01 Vol. E100-C No. 1 pp. 45-51 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: characteristic basis function method (CBFM), radar cross section (RCS), method of moments (MoM),
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Extended S-Parameter Method for Measuring Reflection and Mutual Coupling of Multi-Antennas Takashi YANAGI Toru FUKASAWA Hiroaki MIYASHITA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/10/01 Vol. E99-B No. 10 pp. 2195-2202 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: S-parameter method, multiport antennas, impedance, mutual coupling, measurement,
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Novel Beam-Scanning Center-Fed Imaging Reflector Antenna with Elliptical Aperture for Wide Area Observation Michio TAKIKAWA Yoshio INASAWA Hiroaki MIYASHITA Izuru NAITO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/09/01 Vol. E99-C No. 9 pp. 1031-1038 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: wide area observation, elliptical aperture, small observation satellite, reflector antennas, doubly curved reflector, beam-scanning function, center-fed reflector antenna,
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A Novel Directional Coupler Loaded with Feedback Capacitances and Its Applications Motomi ABE Yukihiro TAHARA Tetsu OWADA Naofumi YONEDA Hiroaki MIYASHITA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/01/01 Vol. E99-C No. 1 pp. 85-94 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: feedback capacitance, coupled lines, tandem 3-dB coupler, stubs, rectangular coaxial line, 8×8 HYB matrix,
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Improved Primary Characteristic Basis Function Method for Monostatic Radar Cross Section Analysis of Specific Coordinate Plane Tai TANAKA Yoshio INASAWA Yasuhiro NISHIOKA Hiroaki MIYASHITA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/01/01 Vol. E99-C No. 1 pp. 28-35 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: characteristic basis function method (CBFM), method of moments (MoM), radar cross section (RCS),
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Novel Phased Array-Fed Dual-Reflector Antenna with Different Orthogonal Cross-Section by Imaging Reflector Antenna and Ring-Focus Cassegrain Antenna Michio TAKIKAWA Yoshio INASAWA Hiroaki MIYASHITA Izuru NAITO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/01/01 Vol. E98-C No. 1 pp. 8-15 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: Imaging Reflector Antenna, Ring-focus Cassegrain Antenna, Doubly Curved Reflector, Phased Array-fed Reflector Antenna, Beam-Scanning Function, Center-Fed Reflector Antenna,
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M-Shaped Dielectric Phase Shifter for Beam-Steerable Base-Station Antenna Kengo NISHIMOTO Takeshi OSHIMA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI Manabu KURIHARA Yoshiyuki CHATANI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/08/01 Vol. E96-B No. 8 pp. 2095-2101 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: phase shifter, dielectric, M-shaped, base-station antenna,
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Inclined Slot Array Antennas on a Hollow Rectangular Coaxial Line Satoshi YAMAGUCHI Yukihiro TAHARA Toru TAKAHASHI Kazushi NISHIZAWA Hiroaki MIYASHITA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/09/01 Vol. E95-B No. 9 pp. 2870-2877 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: rectangular coaxial line, waveguide, slot array antenna, inclined linear polarization,
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Acceleration of Flexible GMRES Using Fast Multipole Method for Implementation Based on Combined Tangential Formulation Hidetoshi CHIBA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1661-1668 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: flexible GMRES, integral equation methods, method of moments, combined tangential formulation, PMCHWT, fast multipole method, multilevel fast multipole algorithm,
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Convergence Property of IDR(s) Method Implemented along with Method of Moments for Solving Large-Scale Electromagnetic Scattering Problems Involving Conducting Objects Hidetoshi CHIBA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/02/01 Vol. E94-C No. 2 pp. 198-205 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: IDR(s) method, Krylov subspace methods, integral equation methods, method of moments, multilevel fast multipole algorithm,
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Efficient Implementation of Inner-Outer Flexible GMRES for the Method of Moments Based on a Volume-Surface Integral Equation Hidetoshi CHIBA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/01/01 Vol. E94-C No. 1 pp. 24-31 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Numerical Techniques Keyword: flexible GMRES, integral equation methods, method of moments, multilevel fast multipole algorithm, Krylov subspace methods,
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Ultra-Wideband Tapered Slot Antenna Arrays with Parallel-Plate Waveguides Satoshi YAMAGUCHI Hiroaki MIYASHITA Toru TAKAHASHI Masataka OTSUKA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/05/01 Vol. E93-B No. 5 pp. 1248-1255 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: tapered slot antenna, parallel-plate waveguides, wideband antenna, array antenna, FDTD,
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Construction and Design Equations of a Lumped Element Dual-Band Wilkinson Divider Takeshi OSHIMA Masataka OHTSUKA Hiroaki MIYASHITA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/10/01 Vol. E92-C No. 10 pp. 1322-1324 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: microwave, dual-band, Wilkinson divider, lumped element, compact,
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Using Conducting Wire at A-Sandwich Junctions to Improve the Transmission Performance of Radomes Yoshio INASAWA Toshio NISHIMURA Jun TSURUTA Hiroaki MIYASHITA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/08/01 Vol. E91-B No. 8 pp. 2764-2767 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: A-sandwich, radome, transmission performance, junction, conducting wire,
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RCS Prediction Method from One-Dimensional Intensity Data in Near-Field Yoshio INASAWA Hiroaki MIYASHITA Yoshihiko KONISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/07/01 Vol. E91-C No. 7 pp. 1167-1170 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: RCS, near-field to far-field transformation, phase retrieval, near-field, phaseless,
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Wave Analysis of the Aperture Field Distribution in Probe-Fed Radial Line Planar Antennas Nobuyasu TAKEMURA Hiroaki MIYASHITA Shigeru MAKINO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/09/01 Vol. E89-B No. 9 pp. 2580-2587 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: array antennas, radial line, probe, post, mutual coupling, aperture field distribution, radial line planar antennas, wave analysis,
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Equivalent Susceptance of a Circular Iris in a Parallel Plate Waveguide Hiroaki MIYASHITA Isamu CHIBA Shuji URASAKI Shoichiro FUKAO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/11/25 Vol. E82-B No. 11 pp. 1844-1850 Type of Manuscript: PAPER Category: Communication Cable and Wave Guides Keyword: iris, circular iris, parallel plate waveguide, equivalent susceptance, approximate formula,
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Simple Expression of Antenna Coupling by Using a Product of Radiation Patterns Hiroaki MIYASHITA Isamu CHIBA Shuji URASAKI Shoichiro FUKAO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/11/25 Vol. E82-B No. 11 pp. 1867-1873 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: approximate formula, far-field approximations, antenna mutual couplings, mutual impedances, mutual admittances, reaction integrals, wedge diffractions, GTD,
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Far-Field RCS Prediction Method Using Cylindrical or Planar Near-Field RCS Data Yoshio INASAWA Hiroaki MIYASHITA Isamu CHIBA Shigeru MAKINO Shuji URASAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1997/11/25 Vol. E80-C No. 11 pp. 1402-1406 Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic TheoryScattering and Diffraction) Category: Keyword: radar cross section, near-field measurement, RCS, near-field RCS,
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