GAMIT中强大的矩阵运算，包括矩阵的压缩存贮，高效求逆算法-GAMIT the powerful matrix operations including matrix compression storage, efficient inverse algorithm

该源码通过产生的捕获数据采用FFT及反变换的方法实现信号的捕获。-The source through captured data generated using the FFT and inverse transform method to capture signal.