电力系统暂态稳定程序，可以进行暂态稳定计算,借鉴了主成分分析算法（PCA），计算目标和海洋回波的功率谱密度。- Power System Transient Stability Program, can be transient stability, It draws on principal component analysis algorithm (PCA), Calculating a target and ocean echo power spectral density.