function?s=ofdm128（）
Ns=16;%OFDM符號(hào)數(shù)
para=64;%子載波數(shù)
fl=2*para;%FFT產(chǎn)度
gl=para/4;%保護(hù)間隔長度
sr=（fl+gl）*Ns;%調(diào)制后數(shù)據(jù)長度
M=4;%比特?cái)?shù)
s=randint（paraNsM）;%直接生成子載波數(shù)*OFDM符號(hào)個(gè)數(shù)的矩陣
fd=1024;%輸入信號(hào)的采樣頻率
fs=3*fd;%輸出信號(hào)的采樣頻率
x=dmodce（sfdfs‘psk‘4）;%psk基帶調(diào)制
for?i=1:Ns%中間插0
????for?j=1:para/2
????????x1（ji）=x（ji）;
????end
????for?j=para/2+1:para
????????x1（j+parai）=x（ji）;
????end
end
y=ifft（x1）;%IFFT
y1=[y（fl-gl+1:fl:）;y];%插入保護(hù)間隔
sig=reshape（y11（fl+gl）*Ns）;%并串轉(zhuǎn)換
%?sig=reshape（y1fl*Ns）;
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%?????????????delay=1;
%?????????????R=0.22;
%?????????????Fd=1;
%?????????????Fs=4;
%????????????[ysts]=rcosine（FdFs‘fir/sqrt‘Rdelay）;
%????????????Res=rcosflt（real（sig）FdFs‘filter‘ys）;
%????????????Ims=rcosflt（imag（sig）FdFs‘filter‘ys）;
%????????????sig=Re

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件????????976??2011-03-24?10:23??新建文件夾\ofdm128.m

?????文件????????582??2011-01-13?10:42??新建文件夾\ofdm256.m

?????文件???????1742??2011-03-24?10:23??新建文件夾\wpm32.m

?????文件???????1123??2011-03-31?09:58??新建文件夾\xiaobo_nengliang.m

?????文件???????1380??2010-12-13?09:57??新建文件夾\xiaobo_power.m

?????文件???????1566??2011-03-30?12:57??新建文件夾\xiaobtez.m

?????文件????????846??2011-03-30?14:33??新建文件夾\xidian_figure.m

?????目錄??????????0??2011-03-31?10:35??新建文件夾

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?????????????????8215????????????????????8