Isamu CHIBA


A Simple Configuration of Adaptive Array Antenna for DS-CDMA Systems
Kazunari KIHIRA Rumiko YONEZAWA Isamu CHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 1117-1124
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
adaptive array antennaDS-CDMApower inversion algorithm
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Perturbational Analysis of Microstrip Antennas with Meshed Ground Planes
Toru TAKAHASHI Isamu CHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/09/01
Vol. E85-B  No. 9  pp. 1787-1796
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
microstrip antennameshed ground planeperturbationresonant frequencybackward radiation
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A Combination of Two Adaptive Algorithms SMI and CMA
Rumiko YONEZAWA Isamu CHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7  pp. 1768-1773
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Adaptive Algorithms and Experiments
Keyword: 
array antennaadaptive algorithmsCMASMI
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Analytical Investigation of Resonant Frequency of a Microstrip Antenna with Meshed Ground Plane
Toru TAKAHASHI Isamu CHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/05/25
Vol. E83-C  No. 5  pp. 755-758
Type of Manuscript:  Special Section LETTER (Special Issue on Recent Developments in Guided-Wave Problems)
Category: 
Keyword: 
microstrip antennaresonant frequencymeshed ground planeperturbational technique
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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: 
iriscircular irisparallel plate waveguideequivalent susceptanceapproximate 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 formulafar-field approximationsantenna mutual couplingsmutual impedancesmutual admittancesreaction integralswedge diffractionsGTD
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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 sectionnear-field measurementRCSnear-field RCS
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Interference Cancellation Characteristics of a BSCMA Adaptive Array Antenna with a DBF Configuration
Toyohisa TANAKA Ryu MIURA Isamu CHIBA Yoshio KARASAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/09/25
Vol. E80-B  No. 9  pp. 1363-1371
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
adaptive array antennainterference cancellationCMAconvergencesymbol delaycapturetrackingDoppler effect
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Frequency Characteristics of a Beamforming Network of an Optically Controlled Array Antenna and Its Radiation Pattern Measurements
Kenichi YAMADA Isamu CHIBA Yoshio KARASAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 68-73
Type of Manuscript:  Special Section PAPER (Special Issue on Optomicrowave Techniques and Their Applications)
Category: Optically Controlled Beam Forming Networks
Keyword: 
optically controlled array antennatwo-laser typefiber arrayFourier transform
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An ASIC Implementation Scheme to Realize a Beam Space CMA Adaptive Array Antenna
Toyohisa TANAKA Ryu MIURA Isamu CHIBA Yoshio KARASAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/11/25
Vol. E78-B  No. 11  pp. 1467-1473
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Signal Processing Technology in Antennas)
Category: 
Keyword: 
adaptive antennaDBF antennaCMADSPASIC
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A Slot Coupled Microstrip Antenna with a Multi-Layer Thick Ground Plane
Kazunori TAKEUCHI Isamu CHIBA Yoshio KARASAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/25
Vol. E78-C  No. 8  pp. 988-994
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
slot-coupled microstrip antennaMMICactive array antenna
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Study on Mutual Coupling between Two Ports of Dual Slot-Coupled Circular Microstrip Antennas
Yasushi MURAKAMI Wataru CHUJO Isamu CHIBA Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/06/25
Vol. E77-B  No. 6  pp. 815-822
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antennas and propagationmicrostrip antennacircular polarizationmutual couplingslot-coupling
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Null Forming by Phase Control in Array Antennas
Isamu CHIBA Tadashi NUMAZAKI Seiji NANO Takashi KATAGI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/03/25
Vol. E67-E  No. 3  pp. 141-146
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
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