matlab编程pi4-DQPSK的仿真程序,GUI界面,可以计算误码率源码程序 - matlab通信信号

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标题：matlab编程pi4-DQPSK的仿真程序,GUI界面,可以计算误码率源码程序
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所属分类: 通信信号资源类型：程序源码文件大小: 86.99 KB 上传时间: 2019-06-14 01:15:07 下载次数: 2 资源积分：1分提供者: admin gusucode

内容：
matlab编程pi4-DQPSK的仿真程序,GUI界面,可以计算误码率源码程序

param.NumSig=100;

param.srState=12345;

param.dpt=3;

param.State=71;

x=randint(1,param.NumSig,[0 1],param.srState);

xCoded_Block=[];

xCoded_Cyclic=[];

xCoded_Interleaver=[];

tt=mod(param.NumSig,4);

if tt

x=[x zeros(1,4-tt)];

end

% Linear coding.

xCode=zeros(1,4);

for k=1:4:param.NumSig

xCode(1)=x(k);

xCode(2)=x(k+1);

xCode(3)=x(k+2);

xCode(4)=x(k+3);

BlockGen=[1 0 0 0 1 1 1;0 1 0 0 1 1 0;0 0 1 0 1 0 1; 0 0 0 1 0 1 1];

xCoded_Block=[xCoded_Block rem(xCode*BlockGen,2)];

end

% xCoded_Block must be the mutiple of 4

tt=mod(length(xCoded_Block),4);

if tt

xCoded_Block=[xCoded_Block zeros(1,4-tt)];

end

% Cyclic coding

i=1;

for k=1:4:length(xCoded_Block)

xCode(1)=xCoded_Block(k);

xCode(2)=xCoded_Block(k+1);

xCode(3)=xCoded_Block(k+2);

xCode(4)=xCoded_Block(k+3);

%CyclicPoly=[1 0 1 1];

CyclicGen=[1 0 1 1 0 0 0;1 1 1 0 1 0 0;1 1 0 0 0 1 0;0 1 1 0 0 0 1];

%xCoded_Cyclic=[xCoded_Cyclic rem(tx*CyclicGen,2)];

xCoded_Cyclic(i,:)=rem(xCode*CyclicGen,2);

i=i+1;

end

tt=mod(i-1,param.dpt);

if tt

xCoded_Cyclic=[xCoded_Cyclic;zeros(param.dpt-tt,7)];

end

% Interleaver coding

[n,m]=size(xCoded_Cyclic);

for k=1:param.dpt:n

for cln=1:7

for j=0:param.dpt-1

xCoded_Interleaver=[xCoded_Interleaver xCoded_Cyclic(k+j,cln)];

end

% convert to 1-D column vector

xCoded_Interleaver=xCoded_Interleaver(:);

tt=mod(length(xCoded_Interleaver),2);

odd_check=0;

if tt

xCoded_Interleaver=[xCoded_Interleaver;0];

odd_check=1;

end

% convert to 2-D column vector

for k=1:2:length(xCoded_Interleaver)

bit_txSig((k+1)/2,1)=xCoded_Interleaver(k);

bit_txSig((k+1)/2,2)=xCoded_Interleaver(k+1);

end

[n,m]=size(bit_txSig);

for i=1:n

int_txSig(i,1)=bit_txSig(i,1)*2+bit_txSig(i,2);

end

[n,m]=size(int_txSig);

% convert to n x 2 dimension bit vector

for i=1:n

switch int_txSig(i)

case 0

rxSigBit(i,1)=0;

rxSigBit(i,2)=0;

case 1

rxSigBit(i,1)=0;

rxSigBit(i,2)=1;

case 2

rxSigBit(i,1)=1;

rxSigBit(i,2)=0;

case 3

rxSigBit(i,1)=1;

rxSigBit(i,2)=1;

otherwise

end

% convert to N x 1 bit vector

for i=1:n

rxSig_cln(2*i-1,1)=rxSigBit(i,1);

rxSig_cln(2*i,1)=rxSigBit(i,2);

end

[n,m]=size(rxSig_cln);

if odd_check

rxSig_cln=rxSig_cln(1:n-1);

end

[n,m]=size(rxSig_cln);

if mod(n,param.dpt)

error('find some error ');

end

k=1;

for i=1:param.dpt:n

rxSig_dpt(k,:)=[rxSig_cln(i) rxSig_cln(i+1) rxSig_cln(i+2)];

k=k+1;

end

[n,m]=size(rxSig_dpt);

rxdecoded_Interleaver=[];

for i=1:7:n

for j=1:m

for k=0:6

rxdecoded_Interleaver=[rxdecoded_Interleaver rxSig_dpt(i+k,j)];

end

rxdecoded_Cyclic=decode(rxdecoded_Interleaver,7,4,'cyclic',[1 0 1 1]);

[n,m]=size(rxdecoded_Cyclic);

tt=mod(n,7);

if tt

rxdecoded_Cyclic=[rxdecoded_Cyclic;zeros(7-tt,1)];

end

%assignin('base','sddd',rxdecoded_Cyclic);

rxdecoded_Linear=decode(rxdecoded_Cyclic,7,4,'linear',BlockGen);

xx=x(1:param.NumSig).';

[bitNum,bitRatio]=biterr(xx,rxdecoded_Linear(1:param.NumSig));

文件列表（点击上边下载按钮，如果是垃圾文件请在下面评价差评或者投诉）:

gusucode/
gusucode/Data/
gusucode/parameters/
gusucode/4BtnCData.mat
gusucode/Data/DefaultData.mat
gusucode/Data/sim1.mat
gusucode/Data/tt.mat
gusucode/ParamSet.asv
gusucode/ParamSet.fig
gusucode/ParamSet.m
gusucode/btnexit.gif
gusucode/com_process.asv
gusucode/com_process.fig
gusucode/com_process.m
gusucode/parameters/DefaultData.mat
gusucode/start.m
gusucode/test111.asv
gusucode/test111.m
gusucode/test_fig.asv