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；B. 对上述数据进行归零AMII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.. 开开发工具：matlab

-Birth to a length of 1000 random binary sequence, the probability of " 0"　0.8, " a"　probability of 0.2　zero AMII encoding B. The above data, the pulse width of 50　of the symbol width, waveform sampling rate 8 times the symbol rate, draw the first 20 symbols corresponding .. open development tools: matlab