dlb

离散傅立叶变换用于分析吸毒病人和正常人的频谱。(Discrete Fourier Transform for the analysis of drug abuse patients and normal spectrum.)

说明：  Matlab source code for kalman filter

该压缩包主要是关于lasso的matlab程序，其中包含lasso的code,lasso在例子中的应用，以及lemda的交叉验证等。(The archive is mainly about lasso matlab program, which includes lasso the code, lasso in the example application, as well as cross-validation lemda like.)

在matlab平台下的viterbi编码译码的程序。secrettext.txt是需要传输的文件，encodetext.txt是编码后的文件，decodetext.txt是译码后的文件。(In the matlab platform of the viterbi decoding encoding process. secrettext.txt need to transfer files, encodetext.txt is encoded file, decodetext.txt is after decoding files.)

信噪比，计算公式是信号能量比上噪声能量，有助于分析信号成分的(Signal-to-noise ratio, and the calculation is signal energy on energy than noise, help analysis of signal components )

几个指向性的程序源码，包含线阵，，面阵与带加权的阵型 (Several directional program source code contains a linear array, planar array with weighted formation)

模式识别中用matlab实现c均值的计算，分类实现的算法。(matlab，c-means fuction)

P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 (P0303: using gray transform method to enhance the contrast of the image P0304: histogram equalization)

matlab 扩展编程书的代码 matlab 扩展编程书另传(Matlab expand the programming code Matlab programming on another extension-)

matlab编写的匹配滤波器,实现匹配滤波的功能(matlab match-filter)