傅里叶变换和傅里叶变换的性质,周期信号和非周期信号的频谱分析,卷积和卷积定理,抽样信号的傅里叶变换和抽样定理,相关、能量谱和功率谱.-Fourier transform and Fourier transform nature, the cycle-cycle signal and the signal spectrum analysis, Convolution and convolution theorem, the sampling signal to the Fourier transf

经典的功率谱估计中信号源数目的确定，希望对大家有用，已经测试过-Classical power spectrum estimation to determine the number of signal sources, we hope to be useful, has been tested

求取由加速度传感器获取的人体生理震动加速度信号的功率谱密度-Strike physiological acquired by the acceleration sensor vibration acceleration signal power spectral density

校正该操作被用于生成一个具有所需功率谱特性的随机信号。