xnkynk_1.m

基于simulink的现代通信系统仿真。很好的仿真源码！

function [sys,x0,str,ts]=XnkYnk_1(t,x,u,flag)
switch flag,
case 0,
    [sys,x0,str,ts]=mdlInitializeSizes;
case 3,
    sys=mdlOutputs(t,x,u);
case{1,2,4,9}
    sys=[];
otherwise
    error(['Unhandled flag =',num2str(flag)]);
end
function [sys,x0,str,ts]=mdlInitializeSizes
sizes=simsizes;
sizes.NumContStates=0;
sizes.NumDiscStates=0;
sizes.NumOutputs=16;
sizes.NumInputs=12;
sizes.DirFeedthrough=1;
sizes.NumSampleTimes=1;
sys=simsizes(sizes);
x0=[];
str=[];
ts=[0,0];
function sys=mdlOutputs(t,x,u)
sys=[u(4)*u(5)+u(10)*u(11),u(10)*u(5)-u(4)*u(11),u(4)*u(6)+u(10)*u(12),u(10)*u(6)-u(4)*u(12),u(3)*u(5)+u(9)*u(11),u(9)*u(5)-u(3)*u(11),u(3)*u(6)+u(9)*u(12),u(9)*u(6)-u(3)*u(12),u(2)*u(5)+u(8)*u(11),u(8)*u(5)-u(2)*u(11),u(2)*u(6)+u(8)*u(12),u(8)*u(6)-u(2)*u(12),u(1)*u(5)+u(7)*u(11),u(7)*u(5)-u(1)*u(11),u(1)*u(6)+u(7)*u(12),u(7)*u(6)-u(1)*u(12)];
end