nebulous_logic

后向投影的一个很好的工具箱，利用matlab编写，很容易看懂，主要用于雷达等方面(Line_Phantoms For Back_Projection Detectability Tests)

说明：  一个基于pca算法的简单的人脸识别系统，可以参考~(Pca-based algorithm for a simple face recognition system, can refer to ~)

this code is about different types of digital communications

Wiener filter based on tracking a priori SNR usingDecision-Directed method, proposed by Scalart et al 96.(Wiener filter based on tracking a priori SNR usingDecision-Directed method, proposed by Scalart et al 96.)

Example of using Matlab to determine text entropy.

一个简单EMD程序 可以很好使用于对EMD分解的初学者，程序中有文字解释(EMD program)

基于Arnold变换的matlab实现 各种置乱算法简介(Matlab implementation based on Arnold transform us all scrambling algorithm)

基于功率谱相减法的语音消噪，采用动态阈值法(Power spectrum subtraction based denoising of speech using dynamic threshold method)

提取语音信号的lpc参数可调用lpcfit.m 程序(voice signal from the lpc parameters of available procedures lpcfit.m)

matlab中的20个经典函数使用方法，是matlab使用者的宝典。(matlab function in the classical use of 20, is matlab user' s Collection.)