包括广义互相关函数GCC时延估计，包括压缩比、运行时间和计算复原图像的峰值信噪比,FIR 底通和带通滤波器和IIR 底通和带通滤波器。- Including the generalized cross-correlation function GCC time delay estimation, Including compression ratio, image restoration computing uptime and peak signal to noise ratio, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.