t=0:0.01:8;
fc=10;
y=2*sin（2*pi*fc*t）;
x=[ones（1100）zeros（1100）ones（1100）ones（1100）zeros（1100）zeros（1100）ones（1100）zeros（1101）];
z=x.*y;
plot（tz）;

?屬性????????????大小?????日期????時間???名稱
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?????文件??????29078??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\4FM.mdl

?????文件??????18582??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\am.mdl

?????文件??????35310??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\DSB.mdl

?????文件??????17004??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\DSB.mdl.r14?（sp2）

?????文件???????2618??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan1amfre.asv

?????文件???????2655??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan1amfre.m

?????文件???????2634??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan1dsbfre.asv

?????文件???????2599??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan1dsbfre.m

?????文件??????17972??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan2PCM.mdl

?????文件??????20407??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan2PCM1.mdl

?????文件??????20055??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan2PCM2.mdl

?????文件??????15880??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan2PCM3.mdl

?????文件??????20768??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan2PCM4.mdl

?????文件??????28559??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan31.mdl

?????文件??????27079??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan32.mdl

?????文件????????371??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan3FM.m

?????文件????????589??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan3PM.m

?????文件????????384??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan41.m

?????文件????????169??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan51.m

?????文件????????318??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan52.asv

?????文件????????335??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan52.m

?????文件????????322??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan53.asv

?????文件????????166??2020-06-10?22:04??通信系統實驗\shiyan1\shiyan1\shiyan53.m

?????文件????????169??2020-06-10?22:04??通信系統實驗\shiyan51.m

?????文件????????335??2020-06-10?22:04??通信系統實驗\shiyan52.m

?????文件????????166??2020-06-10?22:04??通信系統實驗\shiyan53.m

?????文件??????20823??2020-06-10?22:04??通信系統實驗\text1.slx

?????文件??????17942??2020-06-10?22:04??通信系統實驗\text2.slx

?????文件??????20894??2020-06-10?22:04??通信系統實驗\text2_1.slx

?????文件??????21845??2020-06-10?22:04??通信系統實驗\text3_1.slx

............此處省略18個文件信息