On the basis of non linear finite element method, fundamental equation and solution of pneumatic membrane structure finite element analysis are put forward.
以非线性有限元法为基础，提出充气薄膜结构有限元分析的基本方程及解法。
This paper describes the fundamental of design and the structure of integrating spheremeter type GN140, and gives the data of experiment and the analysis of errors.
本文对GN140型积分球仪的设计原理和结构作了介绍，给出了一些样品的实验数据，并对测量误差进行了分析。
The paper arrives at the fundamental domain and harmonic domain model by the analysis of topological structure of HVPQC. The detecting part is the premise of power quality control.
检测环节是进行电能质量治理的前提，高压电能质量综合补偿器的工作性能，很大程度上取决于检测的精度、实时性。
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