fs?=?12e6;?%采樣頻率
ts?=?1/fs;?
num?=?2.5e6;??%數據長度
SNR?=?-15;
real_fc?=?3563000;?%實信號頻率
data?=?sin（2*pi*real_fc*（0:num-1）*ts+pi/4）+sqrt（10^（SNR/10））*randn（1num）;?%科斯塔斯環的輸入信號
fc?=?3562800;?%本地頻率
?
n?=?fs/1000;?%累積時間為1ms
nn?=?[0:n-1];
nf?=?floor（length（data）/n）;%?將輸入數據分成1ms的多個數據塊
wfc?=?2*pi*fc;??%本地信號
phi_prv?=?0;
temp?=?0;
frame?=?0;
carrier_phase?=?0;
phase?=?0;
?
%環路濾波器的參數
c1?=?153.7130;
c2?=?6.1498;

for?frame=1:nf?
%?產生本地的sin和cos函數
expcol?=?exp（j*（wfc*ts*nn+phase））;
sine?=?imag（expcol）;???
cosine?=?real（expcol）;

x?=?data（（1:n）+（（frame-1）*n））;
%將數據轉換到基帶
x_sine?=?x.*sine;
x_cosine?=?x.*cosine;
?
Q?=?sum（x_sine）;??????%經過濾波器
I?=?sum（x_cosine）;
phase_discri（frame）?=?atan（Q/I）;???%得到鎖相環的輸入
?
%鎖相環
dfrq?=?c1*phase_discri（frame）+temp;?%經過環路濾波器
temp?=?temp+

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????16080??2007-10-08?19:57??matlabfiltercode\matlab代碼\matlab\c10\c.mat

?????文件???????1229??2007-10-08?19:52??matlabfiltercode\matlab代碼\matlab\c10\costas.m

?????文件????????537??2007-10-08?19:59??matlabfiltercode\matlab代碼\matlab\c10\frame_syn.m

?????文件???????2516??2007-10-08?19:49??matlabfiltercode\matlab代碼\matlab\c10\PLLC.m

?????文件????????282??2007-10-08?19:54??matlabfiltercode\matlab代碼\matlab\c10\RRCrece.m

?????文件????????267??2007-10-08?19:54??matlabfiltercode\matlab代碼\matlab\c10\RRCsend.m

?????文件???????2095??2007-10-08?19:57??matlabfiltercode\matlab代碼\matlab\c10\symbol_syn.m

?????文件????????917??2007-10-08?20:06??matlabfiltercode\matlab代碼\matlab\c11\adpeq.m

?????文件???????1303??2007-10-08?20:09??matlabfiltercode\matlab代碼\matlab\c11\ante.m

?????文件????????761??2007-10-08?20:04??matlabfiltercode\matlab代碼\matlab\c11\FFTlms.m

?????文件???????1169??2007-10-08?20:01??matlabfiltercode\matlab代碼\matlab\c11\lms.m

?????文件????????437??2007-10-08?20:05??matlabfiltercode\matlab代碼\matlab\c11\RLS.m

?????文件???????1206??2007-10-08?20:02??matlabfiltercode\matlab代碼\matlab\c11\signlms.m

?????文件???????1773??2007-10-08?20:03??matlabfiltercode\matlab代碼\matlab\c11\WHT.m

?????文件????????742??2007-10-08?20:03??matlabfiltercode\matlab代碼\matlab\c11\WHTlms.m

?????文件???????1006??2007-10-08?20:40??matlabfiltercode\matlab代碼\matlab\c12\correce.m

?????文件????????365??2007-10-08?20:39??matlabfiltercode\matlab代碼\matlab\c12\matchfil.m

?????文件???????3115??2007-10-08?20:43??matlabfiltercode\matlab代碼\matlab\c12\rake.m

?????文件???????1540??2007-10-08?20:46??matlabfiltercode\matlab代碼\matlab\c13\cell_search_cpich.m

?????文件????????433??2007-10-08?20:44??matlabfiltercode\matlab代碼\matlab\c13\ovsf.m

?????文件????????755??2007-10-08?20:44??matlabfiltercode\matlab代碼\matlab\c13\scramble.m

?????文件???????3740??2007-10-08?20:45??matlabfiltercode\matlab代碼\matlab\c13\wcdmasource.m

?????文件???????1631??2007-10-08?19:08??matlabfiltercode\matlab代碼\matlab\c6\impinvar_bilinear.m

?????文件????????472??2007-10-08?19:14??matlabfiltercode\matlab代碼\matlab\c6\rcosflt_filter.m

?????文件????????493??2007-10-08?19:12??matlabfiltercode\matlab代碼\matlab\c6\rcosine_filter.m

?????文件????????423??2007-10-08?19:15??matlabfiltercode\matlab代碼\matlab\c7\cicde.m

?????文件????????691??2007-10-08?19:21??matlabfiltercode\matlab代碼\matlab\c7\CICdec.m

?????文件????????403??2007-10-08?19:16??matlabfiltercode\matlab代碼\matlab\c7\cicin.m

?????文件????????349??2007-10-08?19:19??matlabfiltercode\matlab代碼\matlab\c7\CICinterp.m

?????文件????????317??2007-10-08?19:21??matlabfiltercode\matlab代碼\matlab\c7\halfdec.m

............此處省略36個文件信息