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Direct Least Square Fitting of Ellipses

这是一个利用BP神经网络进行分类学习的程序，系统输入为4个，输出为1个(This is an advantage of BP neural network to classify the learning process, the system input is 4, the output is a)

this fuzzy based EDDEEC protocol for wireless sensor networks. hope those who are working research work in this field, will surely find helpful...

通过有限元法求解柔性支撑的铁木辛柯梁的固有频率，包含各个单元的组装，固有频率的计算！！！！！！！！！！！！！！！！！！(Through finite element method, the natural frequency of the flexible support is solved, including the assembly of each unit and the calculation of the natural frequency.)

MATLAB杆系结构分析：Matlat杆系结构分析源代码,包括： 第一章 静定结构内力和位移计算程序（源程序及例题） 第二章 平面刚架矩阵位移法及静力分析程序（源程序及例题） 第三章 平面刚架静力分析程序的改进（源程序及例题） 第四章 空间刚架静力分析及程序设计（源程序及例题） 第五章 刚架动力特性分析及程序设计（源程序及例题）(MATLAB Frame Structure Analysis: Matlat truss structure of the source code, including: Chapter Static Finite element analysis computer program (source code and examples) Chapter plane frame matrix displacement method, and static analysis of programs (source and Example) Chapter static analysis of plane frame process improvement (source code and examples) Chapter IV space frame static analysis and program design (source code and examples) Chapter Frame Dynamic analysis and program design (the source procedures and examples))

说明：  MATLAB用于绘制风场玫瑰图的程序源码(MATLAB wind roses for the draw procedure)

这是对广义高斯分布中两个参数alpha,beta的估计方法，对自然图像的大量统计特征就符合这一分布。(function [f, g] = dggbeta(beta, absx) DGGBETA Derivative of generalized Gaussian pdf with respective to beta [F, G] = DGGBETA(BETA, ABSX) Return partial derivative and second order partial derivative This is an utility function for GGMLE ABSX is the distance of the data from the mean Function is undefined for negative beta if beta <= 0 f = NaN g = NaN )

matlab stateflow 入门教程，里面有详细的例子介绍每一个功能如何使用，非常适合初学者。(matlab stateflow Getting Started Guide, which describes detailed examples of how to use each function, very suitable for beginners.)

emd分解中采用多项式拟合算法消除边界效应(emd decomposition of polynomial fitting algorithm is used to eliminate the boundary effect)

基于DSB算法的调制与解调技术，在simulink平台的仿真实现(DSB modulation and demodulation techniques based algorithm, implemented in the simulation platform simulink)