通过对噪声中正弦信号的现代法频谱分析，来理解和掌握现代谱估计的基本概念，以及学会应用现代谱估计以及改进后的方法。-Modern Law of the sinusoidal signal noise spectrum analysis to understand and master the basic concepts of modern spectral estimation, as well as learn to apply modern spectral estimation, as w