仿真图是速度、距离、幅度三维图像，FIR 底通和带通滤波器和IIR 底通和带通滤波器，通过反复训练模板能有较高的识别率。- FIG simulation speed, distance, amplitude three-dimensional image, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Through repeated training ClZKdPalate have higher recognition rate.