现代信号处理中谱估计在matlab中的使用，详细画出了时域和频域的相关图，包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度。- Modern signal processing used in the spectral estimation in matlab, Correlation diagram shown in detail the time domain and frequency domain, Including Deng s correlation, absolute co