Abstract: Randomized modulation is of increasing interest in power electronics and also holds promise for reducing filtering requirements in ac/ac, dc/dc converter application and reducing acoustic noise in motor drive applications. This paper

从介绍功率谱的估计原理入手分析了经典谱估计和现代谱估计两类估计方法的原理、各自特点及在Matlab 中的实现方法-Start from the introduced power spectrum estimation principle to the principle of classical spectral estimation and spectral estimation are two types of estimation methods, their characteristic

关于功率谱估计的程序，以及巴特列特和welch改进方法-About the power spectrum estimation procedures, as well as improved methods Bartlett and welchfgsdfgsdfg

计算导入火狐浏览器中的三轴加速器的数据的功率谱密度-Calculating the Power Spectrum Density