clc;?clear?all;?close?all;
u=7;
Nzc=353;
%?N=126
for?i=1:u
for?n=1:Nzc
????x（n）=exp（-j*（（pi*u*n*（n+1））/Nzc））;
end
end
n=1:Nzc;
figureplot（nx）;
title（‘Zad?off?sequence?for?u=7?and?Nzc=353‘）;
xlabel（‘Time‘）;
ylabel（‘Amplitude‘）;
x1=abs（x）;
figureplot（nx1）;
?x2=xcorr（x）;
?figureplot（1:（2*Nzc）-1x2）;
x3=fft（x）;
figureplot（nx3）;
u=1;
for?n=1:Nzc
????x（n）=exp（-j*（（pi*u*n*（n+1））/Nzc））;
end
u=2;
for?n=1:Nzc
????y（n）=exp（-j*（（pi*u*n*（n+1））/Nzc））;
end
x5=xcorr（xy）;
figureplot（1:（2*Nzc）-1x5）;

%pss?generation


pss_temp?=?zeros（312）;
for?n=1:31
????pss_temp（n1）?=?exp（-1i*pi*u*（n-1）*n/63）;
????pss_temp（n2）?=?exp（-1i*pi*u*（n+31）*（n+32）/63）;
end
pss?=?reshape（pss_temp62[]）;


NID1=0;?NID2=1;
qq?=?floor（NID1/30）;
q?=?floor（（NID1+qq*（qq+1）/2）/30）;
mm?=?NID1+q*（q+1）/2;
m0?=?mod（mm31）;
m1?=?mod（m0+floor（mm/31）+1?31）;

PNgen?=?commsrc.pn（‘GenPoly‘???????[1?0?0?1?0?1]?...
?????????????????????‘InitialStates‘?[1?0?0?0?0]???...
?????????????????????‘Shift‘?????????0???...
?????????????????????‘NumBitsOut‘????31）;
PNtemp?=?generate（PNgen）.‘;
PNseq?=?1-2*PNtemp;

SCgen1?=?commsrc.pn（‘GenPoly‘???????[1?0?1?0?0?1]?...
?????????????????????‘InitialStates‘?[1?0?0?0?0]???...
?????????????????????‘Shift‘?????????0???...
?????????????????????‘NumBitsOut‘????31）;
SCtemp?=?generate（SCgen1）.‘;
SCseq1?=?1-2*SCtemp;

SCgen2?=?commsrc.pn（‘GenPoly‘???????[1?1?0?1?1?1]?...
?????????????????????‘InitialStates‘?[1?0?0?0?0]???...
?????????????????????‘Shift‘?????????0???...
?????????????????????‘NumBitsOut‘????31）;
SCtemp?=?generate（SCgen2）.‘;
SCseq2?=?1-2*SCtemp;

SSS?=?zeros（621）;

for?n=0:30
????
????????????SSS（2*n+1）?=?PNseq（mod（n+m031）+1）.*SCseq1（mod（n+NID2?31）+1）;
????????????SSS（2*n+2）?=?PNseq（mod（n+m131）+1）.*SCseq1（mod（n+NID2+331）+1）.*SCseq2（mod（n+mod（m08）31）+1）;
%?????????case?6
%?????????????SSS（2*n+1）?=?PNseq（mod（n+m131）+1）.*SCseq1（mod（n+NID2?31）+1）;
%?????????????SSS（2*n+2）?=?PNseq（mod（n+m031）+1）.*SCseq1（mod（n+NID2+331）+1）.*SCseq2（mod（n+mod（m18）31）+1）;
????????
end


%?for?n=1:Nzc
%?????x1（n）=x（n+Nzc）
%?end
%?n=1:Nzc;
%?figureplot（nx1）;
%?title（‘Zad?off?sequence?for?u=7?and?Nzc=353‘）;
%?xlabel（‘Time‘）;
%?ylabel（‘Amplitude‘）;

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

?????文件???????2278??2012-08-27?10:05??zcseq.m

-----------?---------??----------?-----??----

?????????????????2278????????????????????1