给出接收信号眼图及系统仿真误码率，D-S证据理论数据融合，LDPC码的完整的编译码，研究生时的现代信号处理的作业，包括最小二乘法、SVM、神经网络、1_k近邻法。- The received signal is given eye and BER simulation systems, D-S evidence theory data fusion, Complete codec LDPC code, Modern signal processing jobs when the graduate, Including the least squares method, the SVM, neural networks, 1 _k neighbor method.