利用Cauchy法我们可以，从滤波器仿真设计模型中提取得到耦合矩阵，从而可以明确我们模型调整的方向~-Cauchy method we can use, the filter design simulation models get extracted coupling matrix, which can be adjusted in the direction of our model clear ~

耦合矩阵的优化 滤波器方面的应用 无源单通带的滤波器-Optimization filter coupling matrix aspects of the application of passive single pass band filter