Sumio OHKAWA


Wavelet Transform Approach on Boundary Element Method for Solving Electromagnetic Scattering from Multiple Scatterers
Ning GUAN Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1737-1742
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
waveletwavelet transform approachboundary elements methodmethod of moments
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Wavelet Matrix Transform Approach for Electromagnetic Scattering from an Array of Metal Strips
Ning GUAN Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1273-1279
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Propagation and Scattering
Keyword: 
waveletmethod of momentscattering
 Summary | Full Text:PDF(2.1MB)

Excitation of Magnetostatic Surface Waves by Slot Line Transducers
Yoshiaki ANDO Ning GUAN Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1123-1128
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Passive Devices and Circuits
Keyword: 
magnetostatic surface waveintegral kernel expansion methodslot line
 Summary | Full Text:PDF(800.2KB)

Excitation of Magnetostatic Surface Wave by Coplanar Waveguide Transducers
Yoshiaki ANDO Ning GUAN Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Vol. E81-C  No. 12  pp. 1942-1947
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
magnetostatic surface waveintegral kernel expansion method coplanar waveguide
 Summary | Full Text:PDF(465.7KB)

Integral Kernel Expansion Method on Scattering of Magnetostatic Forward Volume Waves by Metal Strip Array
Ning GUAN Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/11/25
Vol. E80-C  No. 11  pp. 1388-1394
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic TheoryScattering and Diffraction)
Category: 
Keyword: 
integral kernel expansion methodmagnetostatic wavesscatteringmetal strip array
 Summary | Full Text:PDF(442.1KB)

A Time Domain Reflectometry Using Envelope Extraction and Its Application to Measurement of Stripline Resonator Characteristics
Tatsuya OMORI Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/06/25
Vol. E77-C  No. 6  pp. 908-912
Type of Manuscript:  Special Section PAPER (Special Issue on Measurement Techniques for Microwave/Millimeter Wave)
Category: 
Keyword: 
TDRresonator characterizationdeconvolutionenvelope extraction
 Summary | Full Text:PDF(397.5KB)

A Study on Magnetostatic Surface Wave Excitation by Microstrip
Tatsuya OMORI Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/02/25
Vol. E77-C  No. 2  pp. 312-318
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
MSSWexcitationmicrostripedge conditionradiation resistanceElectromagnetic Theory
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A Dual Integral Approach for Analysis of Magnetostatic Forward Volume Wave Resonators with Circular Metal Edge
Ning GUAN Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/08/25
Vol. E73-E  No. 8  pp. 1393-1398
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
 Summary | Full Text:PDF(427.2KB)

Application of the Boundary Element Method to Plane Wave Scattering Problems from Several Dielectric Cylinders
Ken'ichiro YASHIRO Sumio OHKAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/03/25
Vol. E67-E  No. 3  pp. 170-171
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(132.9KB)