xiaozao

這是一個類神經網路中倒傳遞類神經網路，應用於圖形識別上，可以把兩個不同分類的點，藉由BP找出他的分割線進行區分(This is a type of neural network back-propagation neural network applied to pattern recognition, it can be classified into two different points, by BP to find his distinction between partition lines)

speech code in gsm signals

这个是自适应卡尔曼滤波的程序，可以不用已知观测方程以及状态方程的噪声，能够在滤波时学习出(This is an adaptive Kalman filtering program that can do the known equations of state and noise measurement equation can learn while filtering out)

bouckground substruction

说明：  蔡氏电路的matlab仿真图，为初学混沌的朋友作参考(Matlab simulation of Chua' s circuit diagram, a friend of chaos for the beginner reference)

fourier拟谱方法，是一种很不错的傅里叶数学算法，希望有用(fourier pseudospectral method is a very good Fourier mathematical algorithms seek to help)

德鲁德模型拟合，通过调节参数与金属银的介电常数实验参数拟合，得到可见光和近红外波段合适的drude模型参数(Drude model fitting, the right of the visible and near infrared bands drude model parameters by adjusting the parameters and the dielectric constant of the metal silver experimental parameter fitting)

几种常用的MATLAB数字信号处理的信号代码，包括LFM、FSK、BPSK、QPSK、sin等信号(matlab codes for some useful signal to study digial signal processing, includ LFMFSKBPSKQPSKsin and so on.)

it describe about brain image segmentation

张德丰matlab小波分析源代码，从信号时-频联合分析引入小波变换，将信号的多分辨率分析及Mallat算法作为全书的重点，并在此基础上，进一步阐述了双正交小波多分辨率分析、小波包多分辨率分析、提升小波应用，还讲述了小波分析在奇异性检测、去噪及数据压缩中的应用。(Zhang Defeng Matlab wavelet analysis of the source code from the signal- frequency joint analysis of the introduction of wavelet transform, multi-resolution analysis of the signal and Mallat algorithm as the focus of the book, and on this basis, further elaborated biorthogonal wavelet multi-resolution analysis wavelet packet multi-resolution analysis, the lifting wavelet applications, but also about the application of wavelet analysis in the singularity detection, de-noising and data compression.)