clear?all;
close?all;
RF=2.3*1e7;%230MHz
PW=8*1e-5;%80us
PRI=4*1e-4;%400us
PA=1;
per=PW/PRI;
N=PRI*RF;
t=linspace（05*PRI20*N）;
y1=（1+square（2*pi*t/PRI100*per））/2;
x=（1+sin（1000*pi*RF*t））/2;
y=y1.*x;
subplot（211）;
plot（ty）;
title（‘簡(jiǎn)單體制雷達(dá)信號(hào)‘）;
axis（[05*PRI-0.21.2]）;
Hy=fft（y）;
subplot（212）;
plot（fftshift（abs（Hy）））;
title（‘幅頻特性‘）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件?????????367??2013-05-03?23:14??lessen3_1.m
?????文件?????????738??2013-04-26?23:20??lessen3_2.m
?????文件?????????439??2013-04-27?12:43??lessen3_3.m
?????文件?????????613??2013-04-27?12:53??lessen3_4.m
?????文件?????????536??2013-04-26?22:15??lessen3_5.m
?????文件?????????474??2013-04-26?22:27??lessen3_6.m
?????文件?????????574??2013-04-26?22:41??lessen3_7.m
?????文件?????????730??2013-04-26?23:26??lessen3_8.m