各种kalman滤波器的设计，包括调制，解调，信噪比计算，本程序的性能已经达到较高水平，模式识别中的bayes判别分析算法，Matlab实现界面友好，随机调制信号下的模拟ppm。- Various kalman filter design, Includes the modulation, demodulation, signal to noise ratio calculation, The performance of the program has reached a high level, Pattern Recognition bayes discriminant analysis algorithm, Matlab to achieve user-friendly, Random ppm modulated analog signal unde.