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Paper Abstract and Keywords
Phase Variation Analysis of Leaky Wave Antenna Composed of CRLH Transmission Line Using Equivalent Circuit
Kazuki Terada, Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK)
Abstract (in Japanese) (See Japanese page) 
(in English) A leaky wave antenna configured by CRLH transmission lines has been proposed. There is a problem that the direction of the main beam changes due to the change in frequency. In this study, the unit cell of the leaky wave antenna is represented by a lossless symmetric T-type equivalent circuit, and circuit parameters to suppress beam squint due to frequency change are examined by random search method. As a result, it was found that reducing the values of the right-handed circuit parameters and increasing the values of the left-handed circuit parameters were effective to suppress the phase variation. It was also found that there was a limit for the minimum transfer phase difference over a frequency bandwidth when considering real transmission lines.
Keyword (in Japanese) (See Japanese page) 
(in English) Metamaterial / CRLH transmission lines / Beam squint / / / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee AP  
Conference Date 2019-08-01 - 2019-08-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Istana, Kuala Lumpur 
Topics (in Japanese) (See Japanese page) 
Paper Information
Registration To AP 
Conference Code 2019-08-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Phase Variation Analysis of Leaky Wave Antenna Composed of CRLH Transmission Line Using Equivalent Circuit 
Sub Title (in English)  
Keyword(1) Metamaterial  
Keyword(2) CRLH transmission lines  
Keyword(3) Beam squint  
1st Author's Name Kazuki Terada  
1st Author's Affiliation Chiba Institute of Technology (CIT)
2nd Author's Name Keizo Cho  
2nd Author's Affiliation Chiba Institute of Technology (CIT)
3rd Author's Name Hiroaki Nakabayashi  
3rd Author's Affiliation Chiba Institute of Technology (CIT)
4th Author's Name Naobumi Michishita  
4th Author's Affiliation National Defense Academy (NDA)
5th Author's Name Takayoshi Sasaki  
5th Author's Affiliation Denki Kogyo Co., Ltd. (DKK)
6th Author's Name Keisuke Sato  
6th Author's Affiliation Denki Kogyo Co., Ltd. (DKK)
7th Author's Name Ichiro Oshima  
7th Author's Affiliation Denki Kogyo Co., Ltd. (DKK)
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