Atsuhiro NISHIKATA


Electromagnetic Scattering by a Cylindrical Material Piercing through the Narrow Walls of a Rectangular Waveguide: Analytical Solution and Application to Material Characterization
Alfred KIK Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/01/01
Vol. E99-C  No. 1  pp. 52-60
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
permittivity measurementpermeability measurementrectangular waveguidescylindersinverse scatteringelectromagnetic analysis
 Summary | Full Text:PDF(493.8KB)

Analytical Solution for the Scattering by a Cylinder Perpendicular to the Narrow Walls inside a Rectangular Waveguide and Its Application to εr and μr Measurement
Alfred KIK Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Vol. E95-C  No. 7  pp. 1211-1221
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies)
Category: 
Keyword: 
permittivity measurementpermeability measurementrectangular waveguidescylindersscatteringelectromagnetic analysis
 Summary | Full Text:PDF(1.4MB)

A New Calibration Algorithm Using Reference Materials for the Waveguide-Penetration Method
Alfred KIK Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/09/01
Vol. E94-B  No. 9  pp. 2549-2557
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
permittivity measurementpermeability measurementwaveguidetransmission-line methodvector network analyzer (VNA)calibration algorithmreference materialerror analysis
 Summary | Full Text:PDF(627.7KB)

Analysis of Errors in Permittivity Measurements Using the Waveguide-Penetration Method
Alfred KIK Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/07/01
Vol. E93-B  No. 7  pp. 1697-1706
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto)
Category: EMC Measurement Technique, EMC Test Facilities
Keyword: 
permittivity measurementwaveguide methodmeasurement errorserror analysis
 Summary | Full Text:PDF(761.6KB)

The Measurements of the Complex Permittivities of Blood Samples in Quasi-Millimeter and Millimeter Wave Bands
Hiroki WAKATSUCHI Masahiro HANAZAWA Soichi WATANABE Atsuhiro NISHIKATA Masaki KOUZAI Masami KOJIMA Yoko YAMASHIRO Kazuyuki SASAKI Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/06/01
Vol. E90-B  No. 6  pp. 1357-1359
Type of Manuscript:  Special Section LETTER (Special Section on 2nd Pan-Pacific EMC Joint Meeting--PPEMC'06--)
Category: 
Keyword: 
whole bloodblood plasmacomplex permittivitiestemperature dependencemillimeter wavesquasi millimeter wavescoaxial probe method
 Summary | Full Text:PDF(263.8KB)

Reconstruction of Printed Image Using Electromagnetic Disturbance from Laser Printer
Toshihide TOSAKA Kazumasa TAIRA Yukio YAMANAKA Kaori FUKUNAGA Atsuhiro NISHIKATA Mitsuo HATTORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/03/01
Vol. E90-B  No. 3  pp. 711-715
Type of Manuscript:  LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
electromagnetic disturbanceelectromagnetic securitylaser printer
 Summary | Full Text:PDF(553.2KB)

Free Space Measurement Method with Parallel Electromagnetic Wave Beam by Using Dielectric Lenses and Horn Antennas for Reflectivity of Electromagnetic Absorbers in Millimeter Waves
Hirosuke SUZUKI Atsuhiro NISHIKATA Yutaka HIGASHIDA Tetsu SOH Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/01/01
Vol. E89-C  No. 1  pp. 24-29
Type of Manuscript:  Special Section PAPER (Special Section on Near-Field and Far-Field Electromagnetic Absorption and Shielding and Related Technologies)
Category: 
Keyword: 
millimeter wave technologyreflectivitylens antennasparallel beamelectromagnetic absorbersfar field
 Summary | Full Text:PDF(465KB)

Low Frequency Equivalent Circuit of Dual TEM Cell for Shielding Material Measurement
Atsuhiro NISHIKATA Ryusuke SAITO Yukio YAMANAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/01/01
Vol. E89-C  No. 1  pp. 44-50
Type of Manuscript:  Special Section PAPER (Special Section on Near-Field and Far-Field Electromagnetic Absorption and Shielding and Related Technologies)
Category: 
Keyword: 
shielding materialshielding effectiveness measurementdual TEM cellequivalent circuit
 Summary | Full Text:PDF(508.6KB)

Development of Sound Localization System with Tube Earphone Using Human Head Model with Ear Canal
Marie NAKAZAWA Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3584-3592
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
ear canalHRTFtube earphonesound localizationFDTD
 Summary | Full Text:PDF(1.2MB)

Rhythm Pattern Accuracy Diagnosis System Capable of Objective Evaluation and Commentary Feedback
Takahiro YONEKAWA Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/01/01
Vol. E86-D  No. 1  pp. 71-78
Type of Manuscript:  PAPER
Category: Man-Machine Systems, Multimedia Processing
Keyword: 
music CAIadaptive intelligent systemsexpert systemsAI algorithms
 Summary | Full Text:PDF(658.5KB)

Complex Permeability and Complex Permittivity Measurement of Anisotropic Lossy Sheets Composed of Soft Magnetic Metal Powder and Rubber by Waveguide S-Parameter Method
Akihiko SAITO Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/09/01
Vol. E85-C  No. 9  pp. 1684-1691
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
composite materialcomplex permeabilitycomplex permittivityanisotropySnoek's limit
 Summary | Full Text:PDF(1.4MB)

Rigorous Analysis of a Loop Antenna System for Magnetic Interference Measurement
Takashi SHINOZUKA Akira SUGIURA Atsuhiro NISHIKATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/01/25
Vol. E76-B  No. 1  pp. 20-28
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
EMCEMI measurementloop antenna systemlarge loop antenna
 Summary | Full Text:PDF(662.1KB)