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Paper Abstract and Keywords
Presentation 2012-02-10 11:00
[Tutorial Lecture] Reduction Method for Influence of Measurement Cable on Small Antenna
Toru Fukasawa, Takashi Yanagi, Hiroaki Miyashita, Yoshihiko Konishi (Mitusbishi Electric Co.)
Abstract (in Japanese) (See Japanese page) 
(in English) Coaxial cables connected to a small antenna affect characteristics of antennas because of unbalanced current induced outside of the cables. We introduce two measurement methods to overcome these problems, using fiber optics and S-parameter method. For the measurement method using fiber optics, metal cable connected to the antenna is replaced by fiber optics and influences of the cable can be remarkably reduced. With miniaturized O/E converter connected to the antenna, accurate measurement results can be obtained. For S-parameter method, two cables are connected to an antenna feed line and ground. Excitation coefficients of the two cables are obtained from the S-parameters under condition where unbalanced current of the coaxial cables is reduced. We explain how to obtain impedance, isolation and radiation patterns with reduced unbalanced current of the coaxial cables by S-parameter method.
Keyword (in Japanese) (See Japanese page) 
(in English) small antenna / measurement method / fiber optics / S-parameter method / / / /  
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Conference Information
Committee BCT IEICE-AP  
Conference Date 2012-02-09 - 2012-02-10 
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Paper Information
Registration To IEICE-AP 
Conference Code 2012-02-AP-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reduction Method for Influence of Measurement Cable on Small Antenna 
Sub Title (in English)  
Keyword(1) small antenna  
Keyword(2) measurement method  
Keyword(3) fiber optics  
Keyword(4) S-parameter method  
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1st Author's Name Toru Fukasawa  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitusbishi Electric Co.)
2nd Author's Name Takashi Yanagi  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitusbishi Electric Co.)
3rd Author's Name Hiroaki Miyashita  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitusbishi Electric Co.)
4th Author's Name Yoshihiko Konishi  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitusbishi Electric Co.)
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Speaker Author-1 
Date Time 2012-02-10 11:00:00 
Presentation Time 50 minutes 
Registration for IEICE-AP 
Paper #  
Volume (vol) vol.36 
Number (no) no.6 
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