system_1.m

数字基带传输系统的MATLAB仿真实现 function [sampl,re_sampl]=system_1(A,F,P,D,snr,m,N) 输入变量A ,F,P分别为输入信号的幅度、频率和相

function [sampl,re_sampl]=system_1(A,F,P,D,snr,m,N)
%输入变量A ,F,P分别为输入信号的幅度、频率和相位，D为量化电平数，snr
%为信道信噪比，N为D/A转换时的内插点数；输出变量sampl为抽样后的输入
%信号，re_sampl为恢复出的输入信号。
%数字基带传输系统的MATLAB仿真实现%
[sampl,quant,pcm]=a_d_1(A,F,P,D)
[changed_ami]=signal_encod_1(pcm)
[ami_after_channel]=channel_1(changed_ami,snr)
[adjudged_ami]=adjudg_1(ami_after_channel,m)
re_pcm=signal_decod_1(adjudged_ami)
[re_voltag,re_sampl,re_sampl1]=d_a_1(re_pcm,sampl,D,N)