Koji NISHIMURA


Analytical Expression of Capon Spectrum for Two Uncorrelated Signals Using the Inner Product of Mode Vectors
Takuya SAKAMOTO Koji NISHIMURA 
Publication:   
Publication Date: 2020/04/01
Vol. E103-B  No. 4  pp. 452-457
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
Capon methodantenna arraymode vectors
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Adaptive Sidelobe Cancellation Technique for Atmospheric Radars Containing Arrays with Nonuniform Gain
Taishi HASHIMOTO Koji NISHIMURA Toru SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/12/01
Vol. E99-B  No. 12  pp. 2583-2591
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
atmospheric radarspartial adaptivityrobust adaptive beamformingclutter suppression
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Two-Dimensional Arrays Optimized for Wide-Scanning Phased Array Based on Potential Function Method
Koji NISHIMURA Toru SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10  pp. 3228-3235
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
two-dimensional array optimizationadaptive arraysidelobe reduction
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High Sensitivity Radar-Optical Observations of Faint Meteors
Koji NISHIMURA Toru SATO Takuji NAKAMURA Masayoshi UEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/12/01
Vol. E84-C  No. 12  pp. 1877-1884
Type of Manuscript:  Special Section PAPER (Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)
Category: 
Keyword: 
meteor observationMU radarICCD video camerasensor fusionspace environment
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Orbit Determination of Meteors Using the MU Radar
Toru SATO Takuji NAKAMURA Koji NISHIMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/25
Vol. E83-B  No. 9  pp. 1990-1995
Type of Manuscript:  Special Section PAPER (Special Issue on Advances in Radar Systems)
Category: 
Keyword: 
meteor observationMU radarorbit determinationDoppler pulse compressionspace environment
 Summary | Full Text:PDF