With this method, we can find out the fault components by calculating the equations of coefficient function of the circuit.
用该方法可以求解列出的电路系数函数方程找出故障元件。
And the function equations on effect of stiffness of elastic cell upon relative stiffnesss coefficient of bolt are get.
笔者对这种螺栓联接进行了受力与变形分析，得到了弹性元件刚度对螺栓相对刚度系数影响的解析式。
As a coefficient matrix of fault diagnosis equations, singularity of the sensitivity matrix restricts its solutions. On the other hand, sensitivity matrix is a function of testing frequency.
灵敏度矩阵作为故障诊断方程的一个系数矩阵，它的奇异性制约着故障诊断方程解的存在性，而灵敏度矩阵又是测试频率的函数。
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