fourier

卡尔曼滤波是以最小均方误差为估计的最佳准则，来寻求一套递推估计的算法(Kalman filter is based on MMSE criterion to estimate the best, to seek a recursive estimation algorithm)

说明：  将外部的输入的6Mhz的信号分成为频率为153600hz的信号(The external input signal divided into 6Mhz 153600hz signal frequency)

经典书籍《模式分类》杜达编写，包含了其中所有的算法的MATLAB代码，有助于大家对算法的学习。(Classic books " classification" Duda preparation, which contains all of the algorithm MATLAB code, help you learn the algorithm.)

《精通MATLAB GUI》光盘的内容，包含所有章节(MATLAB GUI)

此函数中详细介绍了如何现代功率谱估计法中的AR模型来妒忌信号的功率谱；(This function is described in detail how modern power spectrum estimation of AR model to envy the power spectrum of the signal )

matlab 100个小程序的示范例子，有界面的输入，交互性不错。(demonstration examples Matlab 100 small programs, interface input, good interactivity.)

这个东西很重要的，关于地震反应谱和地震动的时程，傅里叶幅值谱。(This thing is very important, on the earthquake ground motion response spectra and time history, Fourier amplitude spectrum.)

practice system operating

各种信号预处理方法 导数 平滑 傅里叶变换等等(Derivatives of various signal preprocessing method Fourier transform, and so smooth)

说明：  利用随机方法产生-1 +1 分布的白噪声(using random methods-1 1 distribution of white noise)