模拟cmmb系统中ldpc译码的部分，仿真白高斯噪声信道下的部分-Analog CMMB system LDPC decoding part, the simulation of white Gaussian noise channel under the part of

如何用MATLAB产生高斯白噪声-How to use MATLAB generated Gaussian white noise !!!!!!!!!!!!~~~~~~~~

在本次仿真中，信道加入了高斯白噪声，收端采用了相干解调的解调方法。附详细的WORD文档说明-In this simulation, the channel joined the Gaussian white noise, closed-ended demodulation using coherent demodulation method. WORD document attached to a detailed descr iption