# LDPC.rar

• 强子将
了解作者
• matlab
开发工具
• 14KB
文件大小
• rar
文件格式
• 0
收藏次数
• 10 积分
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• 0
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• 2021-04-25 15:03
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BPSK调制，awgn通道，Matlab LDPC编码译码算法仿真
LDPC.rar
• LDPC
• rndcheck.m
7.6KB
• bpsk.m
325B
• H2P.m
1.1KB
• mul_GF2.m
51B
• ldpc_encode.m
683B
• unidrnd.m
985B
• ldpc_decode.m
2.9KB
• genH.m
4.7KB
• n512.fig
6.5KB
• reorder_bits.m
422B
• ldpc_demo.m
1.1KB
• extract_mesg.m
416B

function [errorcode, rows, columns] = rndcheck(nargs,nparms,arg1,arg2,arg3,arg4,arg5) %RNDCHECK error checks the argument list for the random number generators. % B.A. Jones 1-22-93 % Copyright (c) 1993-98 by The MathWorks, Inc. % \$Revision: 2.5 \$ \$Date: 1997/11/29 01:46:40 \$ sizeinfo = nargs - nparms; errorcode = 0; if nparms == 3 [r1, c1] = size(arg1); [r2, c2] = size(arg2); [r3, c3] = size(arg3); end if nparms == 2 [r1, c1] = size(arg1); [r2, c2] = size(arg2); end if sizeinfo == 0 if nparms == 1 [rows, columns] = size(arg1); end if nparms == 2 scalararg1 = (numel(arg1) == 1); scalararg2 = (numel(arg2) == 1); if ~scalararg1 && ~scalararg2 if r1 ~= r2 || c1 ~= c2 errorcode = 1; return; end end if ~scalararg1 [rows, columns] = size(arg1); elseif ~scalararg2 [rows, columns] = size(arg2); else [rows, columns] = size(arg1); end end if nparms == 3 scalararg1 = (numel(arg1) == 1); scalararg2 = (numel(arg2) == 1); scalararg3 = (numel(arg3) == 1); if ~scalararg1 && ~scalararg2 if r1 ~= r2 || c1 ~= c2 errorcode = 1; return; end end if ~scalararg1 && ~scalararg3 if r1 ~= r3 || c1 ~= c3 errorcode = 1; return; end end if ~scalararg3 && ~scalararg2 if r3 ~= r2 || c3 ~= c2 errorcode = 1; return; end end if ~scalararg1 [rows, columns] = size(arg1); elseif ~scalararg2 [rows, columns] = size(arg2); else [rows, columns] = size(arg3); end end end if sizeinfo == 1 scalararg1 = (numel(arg1) == 1); if nparms == 1 if numel(arg2) ~= 2 errorcode = 2; return; end if ~scalararg1 && arg2 ~= size(arg1) errorcode = 3; return; end if (arg2(1) < 0 || arg2(2) < 0 || arg2(1) ~= round(arg2(1)) || arg2(2) ~= round(arg2(2))), errorcode = 4; return; end rows = arg2(1); columns = arg2(2); end if nparms == 2 if numel(arg3) ~= 2 errorcode = 2; return; end scalararg2 = (numel(arg2) == 1); if ~scalararg1 && ~scalararg2 if r1 ~= r2 || c1 ~= c2 errorcode = 1; return; end end if (arg3(1) < 0 || arg3(2) < 0 || arg3(1) ~= round(arg3(1)) || arg3(2) ~= round(arg3(2))), errorcode = 4; return; end if ~scalararg1 if any(arg3 ~= size(arg1)) errorcode = 3; return; end [rows, columns] = size(arg1); elseif ~scalararg2 if any(arg3 ~= size(arg2)) errorcode = 3; return; end [rows, columns] = size(arg2); else rows = arg3(1); columns = arg3(2); end end if nparms == 3 if numel(arg4) ~= 2 errorcode = 2; return; end scalararg1 = (numel(arg1) == 1); scalararg2 = (numel(arg2) == 1); scalararg3 = (numel(arg3) == 1); if (arg4(1) < 0 || arg4(2) < 0 || arg4(1) ~= round(arg4(1)) || arg4(2) ~= round(arg4(2))), errorcode = 4; return; end if ~scalararg1 && ~scalararg2 if r1 ~= r2 || c1 ~= c2 errorcode = 1; return; end end if ~scalararg1 && ~scalararg3 if r1 ~= r3 || c1 ~= c3 errorcode = 1; return; end end if ~scalararg3 && ~scalararg2 if r3 ~= r2 || c3 ~= c2 errorcode = 1; return; end end if ~scalararg1 if any(arg4 ~= size(arg1)) errorcode = 3; return; end [rows, columns] = size(arg1); elseif ~scalararg2 if any(arg4 ~= size(arg2)) errorcode = 3; return; end [rows, columns] = size(arg2); elseif ~scalararg3 if any(arg4 ~= size(arg3)) errorcode = 3; return; end [rows, columns] = size(arg3); else rows = arg4(1); columns = arg4(2); end end end if sizeinfo == 2 if nparms == 1 scalararg1 = (numel(arg1) == 1); if ~scalararg1 [rows ,columns] = size(arg1); if rows ~= arg2 || columns ~= arg3 errorcode = 3; return; end end if (arg2 < 0 || arg3 < 0 ||arg2 ~= round(arg2) || arg3 ~= round(arg3)), errorcode = 4; return; end rows = arg2; columns = arg3; end if nparms == 2 scalararg1 = (numel(arg1) == 1); scalararg2 = (numel(arg2) == 1); if ~scalararg1 && ~scalararg2 if r1 ~= r2 || c1 ~= c2 errorcode = 1; return; end end if ~scalararg1 [rows, columns] = size(arg1); if rows ~= arg3 || columns ~= arg4 errorcode = 3; return; end elseif ~scalararg2 [rows ,columns] = size(arg2); if rows ~= arg3 || columns ~= arg4 errorcode = 3; return; end else if (arg3 < 0 || arg4 < 0 || arg3 ~= round(arg3) || arg4 ~= round(arg4)), errorcode = 4; return; end rows = arg3; columns = arg4; end end if nparms == 3 scalararg1 = (numel(arg1) == 1); scalararg2 = (numel(arg2) == 1); scalararg3 = (numel(arg3) == 1); if ~scalararg1 && ~scalararg2 if r1 ~= r2 || c1 ~= c2 errorcode = 1; return; end end if ~scalararg1 && ~scalararg3 if r1 ~= r3 || c1 ~= c3 errorcode = 1; return; end end if ~scalararg3 && ~scalararg2 if r3 ~= r2 || c3 ~= c2 errorcode = 1; return; end end if ~scalararg1 [rows ,columns] = size(arg1); if rows ~= arg4 || columns ~= arg5 errorcode = 3; return; end elseif ~scalararg2 [rows ,columns] = size(arg2); if rows ~= arg4 || columns ~= arg5 errorcode = 3; return; end elseif ~scalararg3 [rows, columns] = size(arg3); if rows ~= arg4 || columns ~= arg5 errorcode = 3; return; end else if (arg4 < 0 || arg5 < 0 || arg4 ~= round(arg4) || arg5 ~= round(arg5)), errorcode = 4; return; end rows = arg4; columns = arg5; end end end

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