IEICE SEARCH SYSTEM

Kouji WADA

A Dual-Band Comb-Line Filter Using a Half-Wavelength Stripline Nesting a Quarter-Wavelength Coplanar Waveguide Resonator Shoichi KITAZAWA Masahiro GESHIRO Kenta ISHIMARU Masaharu OHASHI Hideaki FUJIMOTO Kouji WADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2439-2446 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Electromagnetics Keyword: dual band, band pass filter, resonator,
	Summary \| Full Text:PDF (942.6KB)

Realization of Attenuation Poles, Spurious Resonance Suppression and Size Reduction by Microstrip SIR Loaded with Dielectric Rods Ramesh K. POKHAREL Kouji WADA Osamu HASHIMOTO Takeshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/12/01 Vol. E88-C No. 12 pp. 2302-2309 Type of Manuscript: Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics) Category: Devices Keyword: attenuation pole, dielectric rods, FDTD method, spurious responses, SIR, tapped λ/2 microstrip resonator,
	Summary \| Full Text:PDF (630.6KB)

Out-of-Band Improvement by Microstrip Line BPFs with Multiple Attenuation Poles in Stopband Using Various Conditions of Coupling Length of Partially Coupled-Line Section Kouji WADA Ramesh K. POKHAREL Takanobu OHNO Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/07/01 Vol. E88-C No. 7 pp. 1430-1439 Type of Manuscript: Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications) Category: Resonators & Filters Keyword: coupled-line BPF, attenuation poles, out-of-band characteristics, spurious responses, microstrip line,
	Summary \| Full Text:PDF (1.3MB)

Bandpass Filters Using Tunable Half-Wavelength Resonators with Transmission Zeros Kouji WADA Shinya WATANABE Ryousuke SUGA Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/01/01 Vol. E88-C No. 1 pp. 68-76 Type of Manuscript: Special Section PAPER (Special Section on Recent Trends of Microwave and Millimeter-Wave Passive Circuit Components and Technologies for Improvement of Characteristics) Category: Keyword: tunable half-wavelength resonator, tap-coupling, bandpass filter, transmission zero,
	Summary \| Full Text:PDF (834.9KB)

A Method for Evaluating Door Structure of Microwave Oven Kouta MATSUMOTO Osamu HASHIMOTO Kouji WADA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/11/01 Vol. E87-C No. 11 pp. 1997-2000 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: microwave oven, combined waves, FDTD method, shielding effectiveness,
	Summary \| Full Text:PDF (393.7KB)

A Method for LTCC Resonators to Realize Improved-Resonant Characteristics on Reduced-Size Microstrip Structure Ramesh K. POKHAREL Kouji WADA Osamu HASHIMOTO Takeshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/09/01 Vol. E87-C No. 9 pp. 1517-1523 Type of Manuscript: Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications) Category: Components and Devices Keyword: dielectric rods, FDTD method, microstrip resonator, spurious responses, attenuation pole,
	Summary \| Full Text:PDF (791.6KB)

Measurement of Complex Permittivity for Liquid Phantom by Transmission Line Method Using Coaxial Line Kouji SHIBATA Kensuke TANI Osamu HASHIMOTO Kouji WADA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/05/01 Vol. E87-C No. 5 pp. 689-693 Type of Manuscript: Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits) Category: General Methods, Materials, and Passive Circuits Keyword: measurement of complex pemittivity, liquid phantom, transmission line method, coaxial line,
	Summary \| Full Text:PDF (451.6KB)

Realization of Low Spurious Responses by Various Bandpass Filters Using Open-Ended λ/2 Resonators Kouji WADA Takanobu OHNO Kouichi NAKAGAWA Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/12/01 Vol. E86-C No. 12 pp. 2394-2402 Type of Manuscript: Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology) Category: Passive(Filter) Keyword: open-ended λ/2 resonator, bandpass filter, point-coupling technique, low spurious responses, attenuation poles,
	Summary \| Full Text:PDF (1.2MB)

Location of Multiple Transmission Zeros by Tap-Coupling Technique for Bandpass Filters and Duplexers Using Short-Ended λ/2 Resonators Kouji WADA Yoshiyuki AIHARA Tomohide KAMIYAMA Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/12/01 Vol. E86-C No. 12 pp. 2403-2411 Type of Manuscript: Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology) Category: Passive(Filter) Keyword: short-ended λ/2 resonator, multiple transmission zeros, tap-coupling, bandpass filter, duplexer,
	Summary \| Full Text:PDF (982.2KB)

A Class of a Planar Duplexer Consisting of BPFs with Attenuation Poles Designed by Manipulating Tapped Resonators Kouji WADA Takanobu OHNO Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/08/01 Vol. E86-C No. 8 pp. 1613-1620 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Keyword: planar duplexer, tapped resonator, attenuation pole, bandpass filter,
	Summary \| Full Text:PDF (837.3KB)

An Empirical Study of a Coplanar Bandpass Filter with Attenuation Poles Using Short-Ended Half-Wavelength Resonators Kouji WADA Yoshiyuki AIHARA Osamu HASHIMOTO Hiroshi HARADA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/02/01 Vol. E86-A No. 2 pp. 273-279 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: short-ended half-wavelength resonator, tap-coupling, attenuation pole, bandpass filter, coplanar waveguide (CPW),
	Summary \| Full Text:PDF (1.1MB)

An Effective Method for Designing Bandpass Filters Using λ/4 Resonators for Improving Out-of-Band Characteristics Kouji WADA Tomohide KAMIYAMA Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/02/01 Vol. E86-C No. 2 pp. 150-161 Type of Manuscript: Special Section PAPER (Special Issue on Circuit and Device Technology for High-Speed Wireless Communication) Category: Passive (Filter) Keyword: λ/4 resonator, attenuation pole, skirt characteristics, spurious responses, bandpass filter,
	Summary \| Full Text:PDF (1.1MB)

Design of Bandpass Filters with a Function to Control the Number of Attenuation Poles Kouji WADA Yasuhisa YAMAMOTO Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/03/01 Vol. E85-C No. 3 pp. 578-585 Type of Manuscript: Special Section PAPER (Special Issue on Signals, Systems and Electronics Technology) Category: Circuit Keyword: attenuation pole, stub resonator, bandpass filter, tap-connection technique,
	Summary \| Full Text:PDF (626.3KB)

Technique for Improving Out-of-Band Characteristics of Planar Microwave Filters Using Tapped Resonators Kouji WADA Kouichi NAKAGAWA Osamu HASHIMOTO Hiroshi HARADA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/02/01 Vol. E85-C No. 2 pp. 391-399 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: tapped resonator, attenuation pole, spurious responses, planar microwave filter,
	Summary \| Full Text:PDF (797.1KB)

Estimation of Complex Permittivity Using Rectangular Waveguide with Flange by FDTD Method Kouji SHIBATA Osamu HASHIMOTO Kouji WADA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/07/01 Vol. E84-C No. 7 pp. 977-980 Type of Manuscript: Special Section LETTER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--) Category: Keyword: rectangular waveguide with flange, non-destructive measurement, standing wave, complex permittivity, FDTD method,
	Summary \| Full Text:PDF (402.7KB)

Fundamentals of Open-Ended Resonators and Their Application to Microwave Filters Kouji WADA Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2000/11/20 Vol. E83-C No. 11 pp. 1763-1775 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: open-ended resonator, tap feed, low spurious responses, transmission zero, dual-passband response,
	Summary \| Full Text:PDF (1.4MB)

Weatherability of 60 GHz Wave Absorber Using Epoxy-Modified Urethane Rubber Mixed with Carbon Particles Tetsu SOH Kouji WADA Osamu HASHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2000/03/20 Vol. E83-C No. 3 pp. 496-501 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: millimeter-wave absorber, epoxy-modified urethane rubber mixed with carbon particles, accelerated artificial exposure test, weatherability, temperature characteristics,
	Summary \| Full Text:PDF (1.7MB)

Design of a Bandpass Filter with Multiple Attenuation Poles Based on Tapped Resonators Kouji WADA Ikuo AWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/07/20 Vol. E82-C No. 7 pp. 1116-1122 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Passive Devices and Circuits Keyword: multiple attenuation poles, half-wavelength resonator, tap-coupling, bandpass filter, filter design,
	Summary \| Full Text:PDF (970.4KB)

Characteristics of Short-Ended Coplanar Waveguide Resonator with Low Spurious Response and Its Application to a Bandpass Filter Kouji WADA Yasuo IWAMOTO Ikuo AWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/01/20 Vol. E82-C No. 1 pp. 126-132 Type of Manuscript: PAPER Category: Microwave and Millimeter Wave Technology Keyword: coplanar waveguide, short-ended resonator, bandpass filter, low spurious response,
	Summary \| Full Text:PDF (984.5KB)

Basic Characteristics of a Quarter-Wavelength CPW Resonator with Tap-Feed Structure and Its Application to a Bandpass Filter with Attenuation Poles Kouji WADA Ikuo AWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1998/06/20 Vol. E81-C No. 6 pp. 924-933 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Module Technology) Category: Passive Element Keyword: coplanar waveguide, quarter-wavelength resonator, tap-feed, combline filter,
	Summary \| Full Text:PDF (726.3KB)