Takashi IWASAKI


Complex Antenna Factors of Resistor Loaded Dipole Antennas with Coaxial Cable Balun
Ki-Chai KIM Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/04/01
Vol. E89-B  No. 4  pp. 1467-1471
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
dipole antennasresistor loadingcomplex antenna factor
 Summary | Full Text:PDF(436.7KB)

Single Probe Method with Vector Detection for Measuring Microwave Reflection Coefficient
Takashi IWASAKI Makoto TAKASHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 665-671
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: General Methods, Materials, and Passive Circuits
Keyword: 
single probe methodvector detectionmicrowave reflection coefficientsystematic errornetwork analyzer
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Effect of a Finite Ground Plane on the S-Parameter between Two Dipole Elements
Katsumi FUJII Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/02/01
Vol. E84-B  No. 2  pp. 344-348
Type of Manuscript:  LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
test site evaluationcomplex antenna factorTRL calibrationfinite ground planemoment method (MM)
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Evaluation of Sites for Measuring Complex Antenna Factors: Comparison of Theoretical Calculation and TRL-Based Experiment
Katsumi FUJII Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/10/25
Vol. E83-B  No. 10  pp. 2419-2426
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
site evaluationcomplex antenna factorTRL calibrationfinite ground planeGTD
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Microwave Imaging by Equivalent Inverse Diffraction
Tomonori HASEGAWA Masayuki HOSHINO Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/25
Vol. E83-B  No. 9  pp. 2032-2037
Type of Manuscript:  Special Section PAPER (Special Issue on Advances in Radar Systems)
Category: 
Keyword: 
microwave imagingholographyinverse diffractionFresnel approximationtransfer function
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A Method for Finding the Direction of Arrival of a Single Short Pulse by the Waveform Reconstruction
Masanori ISHII Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/03/25
Vol. E83-B  No. 3  pp. 453-459
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Electromagnetic Compatibility Technology)
Category: EMC Measurement and Test
Keyword: 
DOAsingle short pulsewaveform reconstructionCAFself-convolution
 Summary | Full Text:PDF(1.3MB)

FOREWORD
Takashi IWASAKI Nobuo KUWABARA Masao TAKI Noboru SCHIBUYA Osamu HASHIMOTO Osami WADA Takashi HARADA Yukio YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/03/25
Vol. E83-B  No. 3  pp. 433-434
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(408.7KB)

Current Topics of Microwave EMI Antennas and Measurements
Akira SUGIURA Nobuo KUWABARA Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/05/25
Vol. E80-B  No. 5  pp. 653-662
Type of Manuscript:  INVITED PAPER (Special Issue on EMC/EMI Problems in Microwave Frequency Range)
Category: 
Keyword: 
EMI measurementantenna calibrationdipole antennasantenna factor
 Summary | Full Text:PDF(763.8KB)

Evaluation of Charge Transition in a Small Gap Discharge
Shinobu ISHIGAMI Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/04/25
Vol. E79-B  No. 4  pp. 474-482
Type of Manuscript:  Special Section PAPER (Special Issue on Discharge and Electromagnetic Interference)
Category: 
Keyword: 
electrostatic dischargesmall gap dischargecharge transition and charge neutralization
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Measurement of Antenna Factor of Dipole Antennas on a Ground Plane by 3-Antenna Method
Hitoshi IIDA Shinobu ISHIGAMI Ichiro YOKOSHIMA Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/02/25
Vol. E78-B  No. 2  pp. 260-267
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Compatibility)
Category: 
Keyword: 
EMI measurementdipole antennaantenna factor3-antenna methodnear-field measurementground plane
 Summary | Full Text:PDF(602.7KB)

Measurements of Fast Transient Fields in the Vicinity of Short Gap Discharges
Shinobu ISHIGAMI Ryoichi GOKITA Yoshifumi NISHIYAMA Ichiro YOKOSHIMA Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/02/25
Vol. E78-B  No. 2  pp. 199-206
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Compatibility)
Category: 
Keyword: 
electrostatic dischargetransient fieldcomplex antenna factornear-field measurement and short-gap discharge
 Summary | Full Text:PDF(595.1KB)

A Reflection Standard for Fiber Optic Reflectometers
Takashi IWASAKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/09/25
Vol. E71-E  No. 9  pp. 840-841
Type of Manuscript:  LETTER
Category: Electro-Optics
Keyword: 
 Summary | Full Text:PDF(129.5KB)