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Masataka OHIRA

Resonant-Mode Characteristics of a New Three-Mode Hybrid Microstrip/Slotline Resonator and Novel Realization of Compact Bandpass Filter with Four Transmission Zeros Masataka OHIRA Zhewang MA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/07/01 Vol. E95-C No. 7 pp. 1203-1210 Type of Manuscript: Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies) Category: Keyword: bandpass filter, microstrip line, slotline, transmission zeros, three-mode resonators, source/load coupling,
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A Novel Feeding Structure to Generate Multiple Transmission Zeros for Miniature Waveguide Bandpass Filters Composed of Frequency-Selective Surfaces Masataka OHIRA Zhewang MA Hiroyuki DEGUCHI Mikio TSUJI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1586-1593 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Passive Devices and Circuits Keyword: waveguide filters, frequency-selective surfaces, bandpass filters, transmission zeros, coaxial probe,
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60-GHz-Band Switched-Beam Eight-Sector Antenna with SP8T Switch for 180 Azimuth Scan Amane MIURA Masataka OHIRA Shoichi KITAZAWA Masazumi UEBA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/03/01 Vol. E93-B No. 3 pp. 551-559 Type of Manuscript: PAPER Category: Devices/Circuits for Communications Keyword: millimeter wave, wireless LAN, switched-beam antenna, multi-sector antenna, single-pole eight-throw switch,
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Multiple-Step Rectangular Horn with Two Orthogonal Sectoral Tapers for Elliptical Beam Hirotsugu URATA Masataka OHIRA Hiroyuki DEGUCHI Mikio TSUJI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/02/01 Vol. E90-C No. 2 pp. 217-223 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Aperture Antennas Keyword: horn antennas, elliptical beam, optimization, mode-matching method, Marquardt method,
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Novel Dual-Resonant and Dual-Polarized Frequency Selective Surface Using Eight-Legged Element and Its Experimental Verification Masataka OHIRA Hiroyuki DEGUCHI Mikio TSUJI Hiroshi SHIGESAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/12/01 Vol. E88-C No. 12 pp. 2229-2235 Type of Manuscript: Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics) Category: EM Analysis Keyword: frequency selective surface, multiband, broadband, resonances,
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