详细画出了时域和频域的相关图，电力系统暂态稳定程序，可以进行暂态稳定计算,利用matlab针对图像进行马氏距离计算 。- Correlation diagram shown in detail the time domain and frequency domain, Power System Transient Stability Program, can be transient stability, Using matlab to calculate the Mahalanobis dis