连续相位调制信号(CPM)产生，表示出两帧图像间各个像素点的相对情况，多目标跟踪的粒子滤波器，单径或多径瑞利衰落信道仿真，BP神经网络用于函数拟合与模式识别。- Continuous phase modulation signal (CPM) to produce, Between two images showing the relative circumstances of each pixel, Multi-target tracking particle filter, Single path or multipath Rayleigh fading channel simulation, BP neural network function fitting and pattern recognition.