本文首先分析了焦平面阵列馈源横向偏焦产生多波束的原理，并采用面电流法对偏焦抛物面天线方向图进行了编程计算。
Based on the principles that lateral offset-focus feed makes the antenna pattern deflect an angle, the multi-beam antenna can be used in passive imaging system.
本文研究小电尺寸副面和馈源横向大偏焦时次级方向图特性。
This paper investigates the secondary pattern performance for the small electrical size subreflector and large lateral-feed displacement.
本文研究小电尺寸副面和馈源横向大偏焦时次级方向图特性。
This paper investigates the secondary pattern performance for the small electrical size subreflector and large lateral-feed displacement.
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