gan3

傅立叶变化的Matlab实现，对于学习FFT非常有帮助。FFT文件夹内有多个程序。(Matlab Fourier realize change, for learning FFT very helpful. FFT folder has a number of procedures.)

粒子群优化算法（可以应用在寻优建模过程中）(Particle Swarm Optimization (can be applied in the modeling process optimization))

用谱减法实现语音的降噪，经典的谱减法完整源代码。(Of voice with spectral subtraction noise reduction, spectral subtraction classic full source code.)

说明：  基于最大信噪比的ICA算法，在盲信号分离中用处比较大(ICA algorithm based on maximum signal to noise ratio, useful in blind signal separation in the larger)

说明：  清华大学数学建模讲义,可以帮助大家更好的学习数学建模这种课程.(Tsinghua University, Mathematical Modeling handouts that can help us better learning mathematical modeling of such courses.)

在matlab环境上 用几何绕射法计算缝隙的辐射场(in Matlab environment using GTD method of the radiation field slot)

实现基本MUSIC算法,加入高斯白噪声,完成信号来波方向的精确定位(achieve basic MUSIC, by adding Gaussian white noise, the complete signal wave direction to the precise location)

该文件程序可用于任意螺旋锥齿轮加工参数的齿面数据点的输出，可直接修改参数，得出对应的齿轮齿面，为齿轮的建模和TCA提供一定的基础。(The output of the file that can be used for any machining parameters of spiral bevel gear tooth surface data points, you can directly modify the parameters derived corresponding gear tooth surface, providing a foundation for modeling gear and TCA.)

说明：  灰色模型gm（1，1)的matlab代码(Grey Model gm (1,1) of the matlab code)

说明：  用相空间局部投影法对加噪混沌时间序列去噪或进行混沌序列与正弦信号的分离。(phase space with local law to increase the projector noise chaotic time series denoising or chaotic sequence with sinusoidal signal separation.)