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Paper Abstract and Keywords
Presentation
Radiation Pattern of Array-fed Imaging Reflector Antenna in 21GHz-band
Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK), Kazuyoshi Shogen (B-SAT)
Abstract (in Japanese) (See Japanese page) 
(in English) In order to overcome the large rain attenuation, a reconfigurable antenna with an array-fed reflector is effective for the 21GHz-band satellite system. We reported some examples of array-fed imaging reflector antennas for the 21GHz band broadcasting satellites. In this paper, we report an experimental model of such an antenna. We verified the characteristics by measurement. We describe the configuration of the manufactured antenna and the radiation pattern of the imaging reflector calculated by using the measured radiation pattern of the feed array. A 7dB boosted beam has been successfully obtained with a 1.8m diameter of reflector when covering the Japanese islands.
Keyword (in Japanese) (See Japanese page) 
(in English) Array-fed / Imaging Reflector Antenna / 21GHz-band / Satellite Broadcasting / / / /  
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Conference Information
Committee MW  
Conference Date 2012-08-08 - 2012-08-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Chulalongkorn University, Bangkok, Thailand 
Topics (in Japanese) (See Japanese page) 
Topics (in English) RF, Microwave, and Millimeter-wave Theory and Techniques 
Paper Information
Registration To MW 
Conference Code 2012-08-MW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Radiation Pattern of Array-fed Imaging Reflector Antenna in 21GHz-band 
Sub Title (in English)  
Keyword(1) Array-fed  
Keyword(2) Imaging Reflector Antenna  
Keyword(3) 21GHz-band  
Keyword(4) Satellite Broadcasting  
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1st Author's Name Masafumi Nagasaka  
1st Author's Affiliation NHK (NHK)
2nd Author's Name Susumu Nakazawa  
2nd Author's Affiliation NHK (NHK)
3rd Author's Name Shoji Tanaka  
3rd Author's Affiliation NHK (NHK)
4th Author's Name Kazuyoshi Shogen  
4th Author's Affiliation Broadcasting Satellite System Corporation (B-SAT)
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