在MATLAB中求图像纹理特征，基于人工神经网络的常用数字信号调制，结合PCA的尺度不变特征变换(SIFT)算法，最小均方误差（MMSE）的算法，包含了阵列信号处理的常见算法，对HARQ系统的吞吐量分析，包含光伏电池模块、MPPT模块、BOOST模块、逆变模块。- In the MATLAB image texture feature, The commonly used digital signal modulation based on artificial neural network, Combined with PCA scale invariant feature transform (SIFT) algorithm, Minimum mean square error (MMSE) algorithm, Contains a common array signal processing algorithm, HARQ throughput analysis of the system, PV modules contain, MPPT module, BOOST module, inverter module.