ClassificadorNN.m

说明：  logsitic模型的极大似然估计算法，最小二乘估计算法(logsitic model maximum likelihood estimation, least squares estimation algorithm)

To use precomputed kernel, you must include sample serial number as the first column of the training and testing data (assume your kernel matrix is K, # of instances is n):

基于扩展卡尔曼滤波单站观测距离的目标跟踪程序，可以直接运行(Extended Kalman Filter single station observation distance of target tracking program can be run directly)

This is a matlab software package for butterworth band pass filter design. you could change the high pass and low pass frequency to design the betterworth filter.

小波包分析提取振动信号中的特征频率，详细画出了时域和频域的相关图，毕业设计有用。( Wavelet packet analysis to extract vibration signal characteristic frequency, Correlation diagram shown in detail the time domain and frequency domain, Graduation usefu.)

模式识别的经典算法之一，fisher脸特征提取，采用matlab进行编程(One of the classic pattern recognition algorithms, fisher Face feature extraction using matlab programming)

计算两种材料构成的一维光子晶体TM模的能带结构(Calculation of two materials consisting of one-dimensional photonic crystals energy band structure of TM-mode)

在文件夹及子文件中自动搜索所需要的文件，能够在一个文件夹及其子文件夹中轻松搜索得到想要的所有文件类型，并返回这些文件的地址(it can help you to find the perticular type of files in a folder and its subfloder~)

This is the code of speech processing.

说明：  包含理想、高斯、巴特沃斯三种经典情形的带通滤波函数。 附带网格划分函数及其剪裁函数。(The band-pass filter function includes three classical cases: ideal, Gauss and Butterworth. The mesh division function and its clipping function are attached.)