Hiroyoshi YAMADA


MIMO Doppler Radar Using Khatri-Rao Product Virtual Array for Indoor Human Detection
Yosuke WAKAMATSU Hiroyoshi YAMADA Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Vol. E99-B  No. 1  pp. 124-133
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
Category: Antennas and Propagation
Keyword: 
MIMO radarDoppler frequencyindoor location estimationKhatri-Rao product
 Summary | Full Text:PDF(1.9MB)

DOA Estimation for Multi-Band Signal Sources Using Compressed Sensing Techniques with Khatri-Rao Processing
Tsubasa TERADA Toshihiko NISHIMURA Yasutaka OGAWA Takeo OHGANE Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2110-2117
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
DOA estimationmulti-band signalcompressed sensingKhatri-Rao productsparse signal reconstruction
 Summary | Full Text:PDF(1.7MB)

Study on Moisture Effects on Polarimetric Radar Backscatter from Forested Terrain
Takuma WATANABE Hiroyoshi YAMADA Motofumi ARII Ryoichi SATO Sang-Eun PARK Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2074-2082
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
forestmoisturepolarimetric radarsoilsynthetic aperture radar (SAR)
 Summary | Full Text:PDF(1.7MB)

A Novel DOA Estimation Error Reduction Preprocessing Scheme of Correlated Waves for Khatri-Rao Product Extended-Array
Satoshi SHIRAI Hiroyoshi YAMADA Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/10/01
Vol. E96-B  No. 10  pp. 2475-2482
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012)
Category: Adaptive Array Antennas/MIMO
Keyword: 
DOA estimationKhatri-Rao productnested arraydegrees of freedom
 Summary | Full Text:PDF(1.2MB)

Angular Resolution Improvement of Ocean Surface Current Radar Based on the Khatri-Rao Product Array Processing
Hiroyoshi YAMADA Naoki OZAWA Yoshio YAMAGUCHI Keizo HIRANO Hiroyuki ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/10/01
Vol. E96-B  No. 10  pp. 2469-2474
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012)
Category: Adaptive Array Antennas/MIMO
Keyword: 
ocean surface current radarDOA estimationKhatri-Rao productangular resolution improvement
 Summary | Full Text:PDF(1.5MB)

On Array Calibration Technique for Multipath Reference Waves
Hiroyoshi YAMADA Hiroshi SAKAI Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1201-1206
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies)
Category: Antennas and Antenna Measurement
Keyword: 
array antennaarray calibrationdirection-of-arrival estimationsubspace techniquemultipath reference wave
 Summary | Full Text:PDF(622.8KB)

Coherent Decomposition of Fully Polarimetric FM-CW Radar Data
Jun NAKAMURA Kazuyasu AOYAMA Muneyuki IKARASHI Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2374-2379
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
coherent decompositionradar polarimetryPOLSARFM-CW radar
 Summary | Full Text:PDF(712.9KB)

A Simple Method to Stop an Adaptive Process for the Multistage Wiener Filter
Junichiro SUZUKI Yoshikazu SHOJI Hiroyoshi YAMADA Yoshio YAMAGUCHI Masahiro TANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1581-1588
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
reduced rankmultistage Wiener filteroptimum stagestopping criterion
 Summary | Full Text:PDF(445.8KB)

Two-Dimensional Target Location Estimation Technique Using Leaky Coaxial Cables
Kenji INOMATA Takashi HIRAI Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Vol. E91-B  No. 3  pp. 878-886
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
position detectionleaky coaxial cableslot arrayHough transform
 Summary | Full Text:PDF(725.2KB)

Classification of Terrain by Implementing the Correlation Coefficient in the Circular Polarization Basis Using X-Band POLSAR Data
Yoshio YAMAGUCHI Yukari YAMAMOTO Hiroyoshi YAMADA Jian YANG Wolfgang-Martin BOERNER 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 297-301
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
radar polarimetrypolarimetric synthetic aperture radar (POLSAR)correlation coefficientcircular polarization basisscattering power
 Summary | Full Text:PDF(2.9MB)

A Simple Mutual Coupling Compensation Technique in Array of Single-Mode Elements by a Weighted Mutual Coupling Matrix Based on the Impedance Matrix
Hiroyoshi YAMADA Masayuki MORISHITA Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2288-2296
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Smart Antennas
Keyword: 
array calibrationmutual coupling compensationDOA estimationsuperresolution technique
 Summary | Full Text:PDF(1.2MB)

Investigation on Seasonal Water Area Change in Lake Sakata Based on POLSAR Image Analysis
Ryoichi SATO Yuki YAJIMA Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2369-2375
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Sensing
Keyword: 
radar polarimetrypolarimetric synthetic aperture radar (POLSAR)scattering power decompositionwater area changewetland monitoring
 Summary | Full Text:PDF(2MB)

Decorrelation Performance of Spatial Smoothing Preprocessing at Transmitter in the Presence of Multipath Coherent Waves
Natsumi ENDO Hiroyoshi YAMADA Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2297-2302
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Smart Antennas
Keyword: 
DOA estimationdecorrelation preprocessingmultipathspatial smoothing preprocessing
 Summary | Full Text:PDF(540.4KB)

Optimal Antenna Matching and Mutual Coupling Effect of Antenna Array in MIMO Receiver
Hiroki IURA Hiroyoshi YAMADA Yasutaka OGAWA Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/04/01
Vol. E90-B  No. 4  pp. 960-967
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MIMOmutual couplingantenna matchingchannel capacitycorrelation
 Summary | Full Text:PDF(523.6KB)

New Formula of the Polarization Entropy
Jian YANG Yilun CHEN Yingning PENG Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 1033-1035
Type of Manuscript:  LETTER
Category: Sensing
Keyword: 
polarizationSynthetic Aperture Radar (SAR)remote sensing
 Summary | Full Text:PDF(447.2KB)

Polarimetric Scattering Analysis for a Finite Dihedral Corner Reflector
Kei HAYASHI Ryoichi SATO Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1  pp. 191-195
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
finite dihedral corner reflectordouble-bounce scatteringradar polarimetryPOLSAR
 Summary | Full Text:PDF(407.7KB)

Circular Polarization Correlation Coefficient for Detection of Non-natural Targets Aligned Not Parallel to SAR Flight Path in the X-band POLSAR Image Analysis
Koji KIMURA Yoshio YAMAGUCHI Toshifumi MORIYAMA Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/10/01
Vol. E87-B  No. 10  pp. 3050-3056
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
the circular polarization basiscorrelation coefficientphase anglenon-natural targetsLine-Of-SightPOLSAR
 Summary | Full Text:PDF(1.7MB)

Unsupervised Land Cover Classification Using H//TP Space Applied to POLSAR Image Analysis
Koji KIMURA Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6  pp. 1639-1647
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
total poweranisotropypolarimetric entropyalphabarWishart distributioniterative ML method
 Summary | Full Text:PDF(4.2MB)

Advantage of the ESPRIT Method in Polarimetric Interferometry for Forest Analysis
Koichi SATO Hiroyoshi YAMADA Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/05/01
Vol. E86-B  No. 5  pp. 1666-1672
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
ESPRIT algorithmSAR interferometryradar polarimetrypolarimetric interferometryforest
 Summary | Full Text:PDF(444KB)

The Periodicity of the Scattering Matrix and Its Application
Jian YANG Ying-Ning PENG Yoshio YAMAGUCHI Hiroyoshi YAMADA Wolfgang-M. BOERNER 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2  pp. 565-567
Type of Manuscript:  LETTER
Category: Sensing
Keyword: 
radar polarimetryscattering matrixinvariancetarget
 Summary | Full Text:PDF(135KB)

Polarimetric Characteristics of Forest at Coherent Decomposition in Polarimetric SAR Interferometry
Koichi SATO Hiroyoshi YAMADA Yoshio YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/12/01
Vol. E84-C  No. 12  pp. 1829-1834
Type of Manuscript:  Special Section PAPER (Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)
Category: 
Keyword: 
radar polarimetrySAR interferometrypolarimetric interferometrycoherent decomposition
 Summary | Full Text:PDF(1.1MB)

Polarimetric SAR Interferometry for Forest Analysis Based on the ESPRIT Algorithm
Hiroyoshi YAMADA Yoshio YAMAGUCHI Yunjin KIM Ernesto RODRIGUEZ Wolfgang-Martin BOERNER 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/12/01
Vol. E84-C  No. 12  pp. 1917-1924
Type of Manuscript:  Special Section PAPER (Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)
Category: 
Keyword: 
synthetic aperture radarinterferometrypolarimetryvegetationESPRIT algorithm
 Summary | Full Text:PDF(2.1MB)

Polarimetric Correlation Coefficient Applied to Tree Classification
Makoto MURASE Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/12/01
Vol. E84-C  No. 12  pp. 1835-1840
Type of Manuscript:  Special Section PAPER (Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)
Category: 
Keyword: 
classification of targettree canopySinclair scattering matrixpolarimetric correlation coefficient
 Summary | Full Text:PDF(2.1MB)

Compound Scattering Matrix of Targets Aligned in the Range Direction
Kenji KITAYAMA Yoshio YAMAGUCHI Jian YANG Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/01/01
Vol. E84-B  No. 1  pp. 81-88
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
scattering matrixFDTDradar polarimetry
 Summary | Full Text:PDF(2.2MB)

Three-Dimensional Fully Polarimetric Imaging in Snowpack by a Synthetic Aperture FM-CW Radar
Toshifumi MORIYAMA Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/25
Vol. E83-B  No. 9  pp. 1963-1968
Type of Manuscript:  Special Section PAPER (Special Issue on Advances in Radar Systems)
Category: 
Keyword: 
radar polarimetryFM-CW radarpower polarization anisotropy coefficientthree-component decomposition techniquepolarimetric filtering
 Summary | Full Text:PDF(422.1KB)

Response of Microwave on Bare Soil Moisture and Surface Roughness by X-Band Scatterometer
Dharmendra SINGH Yoshio YAMAGUCHI Hiroyoshi YAMADA Keshev Prasad SINGH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/25
Vol. E83-B  No. 9  pp. 2038-2043
Type of Manuscript:  Special Section PAPER (Special Issue on Advances in Radar Systems)
Category: 
Keyword: 
remote sensingsoil moisturesurface roughnessscattering coefficientscatterometer
 Summary | Full Text:PDF(469.6KB)

Classification of Target Buried in the Underground by Radar Polarimetry
Toshifumi MORIYAMA Masafumi NAKAMURA Yoshio YAMAGUCHI Hiroyoshi YAMADA Wolfgang-M. BOERNER 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/06/25
Vol. E82-B  No. 6  pp. 951-957
Type of Manuscript:  PAPER
Category: Electronic and Radio Applications
Keyword: 
radio applicationssubsurface radarFM-CW radarscattering matrixpolarization anisotropy coefficientpower polarization signature
 Summary | Full Text:PDF(1.5MB)

Optimal Problem for Contrast Enhancement in Polarimetric Radar Remote Sensing
Jian YANG Yoshio YAMAGUCHI Hiroyoshi YAMADA Masakazu SENGOKU Shi-Ming LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/01/25
Vol. E82-B  No. 1  pp. 174-183
Type of Manuscript:  PAPER
Category: Electronic and Radio Applications
Keyword: 
radar polarimetryremote sensingscattering matrixpolarizationoptimization
 Summary | Full Text:PDF(519.3KB)

Stable Decomposition of Mueller Matrix
Jian YANG Yoshio YAMAGUCHI Hiroyoshi YAMADA Masakazu SENGOKU Shiming LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/06/25
Vol. E81-B  No. 6  pp. 1261-1268
Type of Manuscript:  PAPER
Category: Electronic and Radio Applications
Keyword: 
radar polarimetryscattering matrixMueller matrixtarget classificationdecomposition
 Summary | Full Text:PDF(625KB)

Use of Multi-Polarimetric Enhanced Images in SIR-C/X-SAR Land-Cover Classification
Takeshi NAGAI Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/11/25
Vol. E80-B  No. 11  pp. 1696-1702
Type of Manuscript:  PAPER
Category: Measurement and Metrology
Keyword: 
SAR image analysisradar polarimetryclassificationwavelet transformremote sensing
 Summary | Full Text:PDF(1.1MB)

The Formulae of the Characteristic Polarization States in the Co-Pol Channel and the Optimal Polarization State for Contrast Enhancement
Jian YANG Yoshio YAMAGUCHI Hiroyoshi YAMADA Shiming LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/10/25
Vol. E80-B  No. 10  pp. 1570-1575
Type of Manuscript:  PAPER
Category: Electronic and Radio Applications
Keyword: 
radar polarimetryoptimal polarizationradio applicationscattering matrix
 Summary | Full Text:PDF(453.1KB)

Decomposition of Radar Target Based on the Scattering Matrix Obtained by FM-CW Radar
Yoshio YAMAGUCHI Masafumi NAKAMURA Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/10/25
Vol. E80-B  No. 10  pp. 1564-1569
Type of Manuscript:  PAPER
Category: Electronic and Radio Applications
Keyword: 
decompositionscattering matrixradar polarimetryFM-CW radar
 Summary | Full Text:PDF(433.6KB)

A Time-Domain Filtering Scheme for the Modified Root-MUSIC Algorithm
Hiroyoshi YAMADA Yoshio YAMAGUCHI Masakazu SENGOKU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/04/25
Vol. E79-B  No. 4  pp. 595-601
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
modified Root-MUSIC algorithmtime-domain filteringbeamspace Root-MUSIC algorithmelectromagnetic scatteringfrequency decay parameter
 Summary | Full Text:PDF(582.9KB)

JERS-1 SAR Image Analysis by Wavelet Transform
Yoshio YAMAGUCHI Takeshi NAGAI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/12/25
Vol. E78-B  No. 12  pp. 1617-1621
Type of Manuscript:  Special Section LETTER (Special Issue on Satellite Remote Sensing)
Category: 
Keyword: 
radio applicationsSAR imageclassificationremote sensing
 Summary | Full Text:PDF(669.1KB)

Reduction of Surface Clutter by a Polarimetric FM-CW Radar in Underground Target Detection
Toshifumi MORIYAMA Yoshio YAMAGUCHI Hiroyoshi YAMADA Masakazu SENGOKU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/04/25
Vol. E78-B  No. 4  pp. 625-629
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility
Keyword: 
radio applicationssub-surface radarpolarimetrySAR
 Summary | Full Text:PDF(486.9KB)

A Superresolution Technique for Antenna Pattern Measurements
Yasutaka OGAWA Teruaki NAKAJIMA Hiroyoshi YAMADA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/12/25
Vol. E76-B  No. 12  pp. 1532-1537
Type of Manuscript:  Special Section PAPER (Special Issue on 1992 Internatioal Symposium on Antennas and Propagation)
Category: 
Keyword: 
antenna pattern measurementsMUSIC algorithmfast Fourier transformgating technique
 Summary | Full Text:PDF(530.3KB)

Antenna Gain Measurements in the Presence of Unwanted Multipath Signals Using a Superresolution Technique
Hiroyoshi YAMADA Yasutaka OGAWA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/06/25
Vol. E76-B  No. 6  pp. 694-702
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antenna gain measurementsmultipath environmentsMUSIC algorithmspatial smoothing preprocessing
 Summary | Full Text:PDF(781.3KB)