通过计算接收信号中同相分量和正交分量的二、四阶矩，该算法能够很好的估计信号的信噪比-By calculating the received signal with the phase and quadrature components of the two, the fourth moment, the algorithm can estimate the signal to noise ratio

经典的灰度共生矩阵纹理计算方法，抑制载波型差分相位调制，独立成分分析算法降低原始数据噪声。- Classic GLCM texture calculation method, Suppressed carrier type differential phase modulation, Independent component analysis algorithm reduces the raw data noise.

Suppressed carrier type differential phase modulation, Independent component analysis algorithm reduces the raw data noise, For feature reduction, feature fusion, correlation analysis.