www.gusucode.com > 基于matlab编程(31,25)RS编码及解码源码程序 > 基于matlab编程(31,25)RS编码及解码源码程序/code/rs_encode.m
% a function to encode the input sequence % organize according to the encoding circuit function t_x=rs_encode(m_x) r=zeros(1,7); for i=1:25 r(7)=rs_add(r(6),m_x(26-i)); r(6)=rs_add(r(5),rs_mul(r(7),17)); r(5)=rs_add(r(4),rs_mul(r(7),26)); r(4)=rs_add(r(3),rs_mul(r(7),30)); r(3)=rs_add(r(2),rs_mul(r(7),27)); r(2)=rs_add(r(1),rs_mul(r(7),30)); r(1)=rs_mul(r(7),24); end t_x=[r(1:6),m_x];