funciones

说明：  　本文在简要介绍了MA TLAB 和BP 网络的基 础上, 详细论述了在MA TLAB611 中, 如何利用其提供的神经网络工具箱实现BP 网络的设计, 最后给出了一个BP 网络的设计实例。 (This paper briefly introduced the MA TLAB and BP network based on the detail in the MA TLAB611, how to use its neural network toolbox provided realize the design of BP network, and finally gives a design example of BP network.)

MATLAB PROGRAMS FOR FILTER DESIGN IN DIGITAL DOMAIN

小波包分析提取振动信号中的特征频率，有小波分析的盲信号处理，针对EMD方法的不足。( Wavelet packet analysis to extract vibration signal characteristic frequency, There Wavelet Analysis Blind Signal Processing, For lack of EMD.)

信源编译码仿真，信道编译码仿真，数字调制解调仿(Simulation of the source codec, channel coding simulation, digital modulation and demodulation simulation)

对信号加窗，进行短时傅里叶变换，输出一个结构组，包含时间和频谱幅度(Signal windowed short time Fourier transform, and output a structure that contains the time and spectral amplitude)

阶跃型折射率光纤中的模式容量和光功率分布，单模光纤的特征方程及其MATLAB数值求解，多模光纤的特征方程及其MATLAB数值求解(Step-index fiber modes capacity and optical power distribution, single-mode fiber and MATLAB numerical solution of the characteristic equation, multimode fiber and its MATLAB numerical solution of the characteristic equation)

the is cuK converter designed in matlab by me.. it is closed loop operated one.. which cam regulated line as well as load

说明：  elm算法，我做风电功率预测时用到过，比较好用。(Elm algorithm, I do wind power prediction used, relatively easy to use.)

对于一个给定的离散随机序列，用间接法进行三阶累积量谱的估计，并分别用四种不同窗函数，包括Hamming窗、Sasaki窗、Parzen窗、daniell窗等。(For a given discrete random sequence, using the indirect method for third-order cumulant spectrum estimation, and were four different window functions, including the Hamming window, Sasaki window, Parzen window, daniell windows.)

振动信号预处理，主要为五点三次平滑法和平均法(Vibration signal pre-processing, mainly for the 5.3 second smoothing method and average method)