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研究了可用作星载相控阵馈源阵元的一种小质量、高效率的帽形微带天线。采用蜂窝状基片使结构具有质量小、刚性高的特点,利用电磁耦合馈电减少了馈源部分的金属接合。专门为工程技术试验卫星8号(ETS—8)开发了S-波段阵元,达到了要求的电气性能和耐环境性能。
A small-sized, high-efficiency hat-shaped microstrip antenna that can be used as a feed-element for a spaceborne phased array is studied. The honeycomb substrate enables the structure to have the characteristics of small mass and high rigidity, and the electromagnetic coupling feeding reduces the metal bonding of the feeding part. The S-band array element was developed specifically for Engineering Test Satellite No. 8 (ETS-8) to achieve the required electrical and environmental performance.