增量网络法矩阵形式的灵敏度分析方法研究

Research on the sensitivity analysis method in matrix form of incremental network approach

灵敏度是衡量物理仪表输出对所测量参数变化敏感程度的一个重要标志,通过灵敏度的研究可加深对仪表内部的网络构造和电路原理的理解,特别是电学仪表更要注重灵敏度的提高。本中通过灵敏度分析实例,包括问题的提出、问题分析、问题讨论和问题解答,最终说明增量网络法的矩阵形式分析电路灵敏度时,需要掌握电路原理的本质、求解方法的适用范围和分析方法的多样性。

Sensitivity is an important indicator to measure the sensitivity of the output of physical instrument to the variation of measured parameters.The research of sensitivity can enhance the understanding of the network structure and circuit principle inside the instrument,especially further improve the sensitivity of the electrical measuring instrument.In this paper,an example of sensitivity analysis,including problem formulation,problem analysis,problem discussion and problem solution,was presented.Finally,it proved that the essence of circuit principle,the applicable range of solution methods and the diversity of analysis methods were needed to analyze the circuit sensitivity with matrix form of incremental network approach.