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。
How to offset some defect about the joint with specially shaped column to enhance the shearing strength will become the one research focus about the structure with specially shaped column.
如何弥补异形柱节点部分缺陷，提高异形柱节点受剪承载力将成为日后异形柱结构的研究重点之一。
How to offset some defect about the joint with specially shaped column to enhance the shearing strength will become the one research focus about the structure with specially shaped column.
如何弥补异形柱节点部分缺陷，提高异形柱节点受剪承载力将成为日后异形柱结构的研究重点之一。
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