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basesignal

于 2020-12-07 发布 文件大小:4KB
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  产生一个长为1000的二进制随机序列,“0”的概率为 0.8,”1”的概率为0.2;  对上述数据进行归零AMI编码,脉冲宽度为符号宽度 的50 ,波形采样率为符号率的8倍,画出前20个符 号对应的波形(同时给出前20位信源序列)  改用HDB3码,画出前20个符号对应的波形  改用密勒码,画出前20个符号对应的波形  分别对上述1000个符号的波形进行功率谱估计,画出 功率谱  改变信源“0”的概率,观察AMI码的功率谱变化情况 (Base band signal spectrum)

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