Gain Degradation of KVN 21-m Shaped Cassegrain Antenna due to Misalignment of Antenna Optics

In this paper, gain loss of KVN (Korean VLBI Network) 21-m shaped Cassegrain antenna due to misalignment of antenna optics is calculated using ray-tracing method. It enables us to estimate alignment tolerances of feed and sub-reflector positioning. According to numerical results, KVN 21-m shaped Cas...

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Bibliographic Details
Main Authors: Moon-Hee Chung, Do-Young Byun, Vladimir B. Khaikin
Format: Article
Language:English
Published: Korean Space Science Society (KSSS) 2006-12-01
Series:Journal of Astronomy and Space Sciences
Subjects:
Online Access:http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2006/v23n4/OJOOBS_2006_v23n4_327.pdf