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说明：  神经网络学习二维非线性函数 ,多维非线性辨识的MATLAB程序(neural network learning 2D nonlinear function, multi-dimensional nonlinear identification procedures MATLAB)

说明：  建立GEO和LEO的轨道，并计算他们间方位角和俯仰角速度及加速度，多普勒频移等重要参数。(established GEO and LEO orbits, and calculate their azimuth and pitch between angular velocity and acceleration, Doppler frequency shift and other important parameters.)

利用MATLAB对信号进行FFT处理，观察幅频响应和相频响应(FFT using MATLAB for signal processing, observed amplitude frequency response and phase frequency response)

灰色神经网络的预测算法，订单需求预测，matlab的经典算法(Gray neural network prediction algorithm, order demand forecasting, matlab classical algorithm)

对图像进行预处理，然后进行经典的阈值分割，形态学分割以及种子区域生长。(Preprocess the image, and then the classic threshold segmentation, morphological segmentation as well as seed region growing.)

雷达信号的产生，matlab程序，滤波器的设计，脉压设计，谱分析等(Generating radar signals, matlab program, filter design, pulse design, spectral analysis, etc.)

利用基尔霍夫（KA）驻留相位近似求解粗糙面散射系数(Use the Kirchhoff (KA) stationary phase approximation solution of rough surface scattering coefficient)

龙格库塔算法Runge-Kutta，包括二阶到四阶的MATLAB程序。(Runge-Kutta MATLAB 123456)

采用辛普生计算方法进行数值计算，并对结果进行画图(simpson)

these file are useful to simulate particle filter and beam forming and show that how to use bayseian filter reduce mmse