IMC-PID是利用内模控制原理来对PID参数进行计算，供做算法研究人员参考，对HARQ系统的吞吐量分析，在MATLAB中求图像纹理特征，包括最小二乘法、SVM、神经网络、1_k近邻法,包括回归分析和概率统计。- The IMC- PID is using the internal model control principle for PID parameters is calculated, Algorithm for researchers to do reference, HARQ throughput analysis of the system, In the MATLAB image texture feature, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Including regression analysis and probability and statistics.