In research and development of space antenna, the natural characteristic analysis and structural design optimization are very important.
在空间天线结构的研制过程中，结构固有特性分析和结构优化设计是非常重要的两项研究工作。
Accodring to analysis of structural deformation in three-dimensional space, a matrix-displacement method based on multiple substructural analysis -which simulates the construction process is proposed.
根据三维空间结构节点的变位分析，建立了模拟建造过程的多重子结构分析矩阵位移法。
The arithmetic of the step reduced by half has been proposed to test the minimal space between holes and hole edge space in the structural technologic analysis.
针对结构工艺性分析中的孔间距和孔边距检验提出了步长折半算法；
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