rssymbolsub.m

该程序是RS编译码器的MATLAB仿真程序

%*************************************************************************
%   Copyright (C) 2008 Circuit and System Lab of PKU
%
%   Created     :   2008-5
%   Author      :   houdong([e-mail])
%
%   File Name   :   RsSymbolSub.m
%
%   Abstract    :  realize Sub = LOperand - ROperand  in the GF(2^4)
%                   
%   Version     :   1.0     2008-5   All Right Reserved.
%*************************************************************************

function [Sub]=RsSymbolSub(LOperand, ROperand)   
a=de2bi(LOperand,4);
b=de2bi(ROperand,4);
y=a-b;
y_out=mod(y,2);
Sub=bi2de(y_out);