实现了图像的灰度化并进一步用于视频监视控，电力系统暂态稳定程序，可以进行暂态稳定计算,Pisarenko谐波分解算法。- Achieve a grayscale image and further control for video surveillance, Power System Transient Stability Program, can be transient stability, Pisarenko harmonic decomposition algorithm.