天线结构动力特性分析的未确知因子法  

Unascertained Factor Method of Dynamic Characteristic Analysis for Antenna Structures

作　　者：梁震涛[1] 陈建军[1] 张建国[1] 

机构地区：[1]西安电子科技大学机电工程学院,陕西西安710071

出　　处：《兵工学报》2007年第4期440-444,共5页Acta Armamentarii

基　　金：陕西省自然科学基金(2005A009);国防预研基金(51421060505DZ0155)项目资助

摘　　要：构建了物理参数和几何参数同时具有未确知性的天线结构动力特性分析模型,并提出了基于未确知因子的结构动力特性分析方法;利用未确知因子的数学表述和未确知有理数的运算规则,推导出结构特征值的计算表达式。算例给出了未确知性结构的特征值可能值及其可信度的计算结果,表明该方法的可行性和有效性。The dynamic characteristic analysis model of antenna structures was built, in which the structural physical parameters and geometrical dimensions were all considered as unascertained variables. And a structure dynamic characteristic analysis method based on the unascertained factor method was given. By the mathematics expression of unascertained factor and the principles of unascertained rational number arithmetic, the computational expression of structural characteristic was developed. At last, an example was given, in which the possible values and reliabilities of the unascertained structure characteristics were obtained. The rationality and validity of the presented method are demonstrated.

关 键 词：固体力学 未确知天线结构 未确知因子法 未确知量 动力特性分析 结构动力学 

分 类 号：TB115[理学—数学]