csine1.m

利用FFT变换

n=0:49;
x=sin(n);
fid = fopen('sine2.dat','wb');
fwrite(fid,'1651 4 0 1 50');
fwrite(fid,13,'char');
fwrite(fid,10,'char');
for i=1:50;
    fwrite(fid,num2str(x(i)),'char');
    fwrite(fid,13,'char');
    fwrite(fid,10,'char');
end
status = fclose(fid);