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matlab下实现降噪，功率谱计算。％程序中设定采样点数为256个，采样频率为10000hz， ％输入信号为随机噪声和两个正弦的合成信号 ％设定的滤波器的截止频率为3500hz ％通过挈比雪肤滤波器，运行程序，比较滤波前后的频域波形 ％滤波去除了高频信号(matlab achieve noise reduction, power spectrum calculation. Sampling procedure set for 256 points, the sampling frequency of 10000hz, input signal for the random noise and the two sinusoidal signals synthetic filter set a cut-off frequency 3500hz manner than through the filter雪肤, run procedures, compared before and after filtering in frequency domain waveforms filtering in addition to high-frequency signals)

对MATLAB初学者具有很好的作用，而且容易理解和接受，很管用哦(MATLAB for beginners on the role of good and easy to understand and accept, it is workable oh)

说明：  本次上传的matlab代码，是基于Mantegna方法模拟萊维飞行，生成levy飞行图；总的飞行次数参数可根据需要更改。(The uploaded matlab code is based on Mantegna method to simulate Levy flight and generate Levy flight chart; the total number of flight parameters can be changed as needed.)

matlab 电机仿真 (matlab Induction motor simulation models of various)

The DocPolynom to Character Converter The char method produces a character string that represents the polynomial displayed as powers of an independent variable, x. Therefore, after you have specified a value for x, the string returned is a syntactically correct MATLAB expression, which you can evaluate. The char method uses a cell array to collect the string components that make up the displayed polynomial. The disp method uses char to format the DocPolynom object for display. Class users are not likely to call the char or disp methods directly, but these methods enable the DocPolynom class to behave like other data classes in MATLAB. Here is the char method.

Factory class for creating an XPath. Implementors of XPath derivatives will need to make a derived class of this. @xsl.usage advanced.

本程序根据训练好的网络文件ANN.mat预测新的数据文件，得到均方误差，并画出预测数据和原数据的对比图。此程序运用到了很多Matlab编程中常用到的表达方式，还有一些神经网络编程的基本概念的表达，如归一化的表达(This procedure according to the trained network file prediction ANN.mat new data file, the mean square error, and painted the original data and prediction data comparison of Fig. This procedure applied to a lot of Matlab programming to the expression commonly used, and some neural network programming the expression of the basic concepts, such as the normalized expression)

自己搭建的一个模糊控制与PID控制相切换的模块，波形非常不错(fuzzy PID)

MPSK Simulation BPSK QPSK 8PSK

This program is written to compute the attitude angles roll-pitch and yaw through Direction Cosine Matrix Error dynamics.