[发布日期] 2018-07-20 [发布机构]
[效力级别] [学科分类] 工程和技术（综合）
[关键词] ANTENNA ARRAYS;ANTENNA DESIGN;EXTREMELY HIGH FREQUENCIES;FLIGHT TESTS;LOW EARTH ORBITS;PHASED ARRAYS;RADIO COMMUNICATION;TRANSMISSION EFFICIENCY;WAVE PROPAGATION;ANTENNA COMPONENTS;ELASTIC PROPERTIES;INDEPENDENT VARIABLES;MATTER (PHYSICS);RELAY SATELLITES;SATELLITE COMMUNICATION;TDR SATELLITES;TROPOSPHERE [时效性]
