中文说明：描述了利用矩阵方式产生单极性归零码的过程，并给出单极性归零码的码型和功率谱。-Matrix describes the way the use of unipolar NRZ process, and gives the code NRZ unipolar and power spectrum.
English Description：
Matrix describes the way the use of unipolar NRZ process, and gives the code NRZ unipolar and power spectrum.