Unipolar non - return - to - zero ( NRZ ) waveform and its power spectrum.

单极性不 归零码 ( NRZ ) 的波形及其功率谱.

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Communications software simulation experiment, including: unipolar return - to - zero ( RZ ) waveform and its power spectrum.

通信原理实验软件仿真实验, 包含: 单极性归零码 ( RZ ) 的波形及其功率谱.

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The return - to - zero protection circuit comprising one op - amp and two NAND's raises the safety in use.

用一片运算放大器和两个与非门组成回零保护电路,提高了临床使用的安全性.

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