nlfm_code

用matlab的gui编写的DTMF双音多频信号生成与检测的演示程序，运行方法见readme，希望能对大家有所帮助。(Matlab by the gui prepared DTMF DTMF signal generation and detection demo program, run method see readme, for all of us hope to be helpful.)

移动通信原理实验指导书 内容包括各种调制实验的算法 MSK，GMSK，QPSK，OQPSK，DQPSK，pi/4DQPSK....(Guiding principle of the experimental mobile contents include a variety of modulation algorithm experiment MSK, GMSK, QPSK, OQPSK, DQPSK, pi/4DQPSK ....)

　计算机人脸识别技术( Face Reocgnition)就利用计算机分析人脸图像,从中提取出有效的识别信息,用来辨认身份的一门技术。[ 1 ]即对已知人脸进行标准化处理后,通过某种方法和数据库中的人脸样本进行匹配,寻找库中对应人脸及该人脸相关信息。人脸自动识别系统有两个主要技术环节,一是人脸定位,即从输入图像中找到人脸存在的位置,将人脸从背景中分割出来,二是对标准化后的人脸图像进行特征提取和识别。本文中介绍的PCA (特征脸)方法就是一种常用的人脸 特征提取方法。(Computer Face Recognition Technology (Face Reocgnition) on the use of computer analysis of facial image, to extract the valid identification information used to identify the status of a technology. [1] that is known to standardize treatment of face, through a method and a database of face samples for matching, search library, the corresponding face and the face-related information. Automatic face recognition system has two main technical aspects, first, face location, that is, from the input image to find the location of the face there, the faces will be split out from the background, the second is, the standard features of face images extraction and recognition. Described in this paper PCA (Eigenfaces) method is a common facial feature extraction method.)

经典DOA估计算法-TLS-ESPRIT算法函数，附原始参考文献(Classic DOA estimation algorithm, function of TLS-ESPRIT algorithm, with the original reference attached.)

fruit recognise use matlab

基于遗传算法原理，利用matlab编程，求函数最小值(matlab program for GA, which can be used to obtain minimum value)

在本文中，我们将提出一种分离语音组成部分的程序进行讨论。该程序是基于对非加性信号的非线性滤波的方法，也被称作广义线性滤波。( In this paper, a procedure for separating the components of speech is proposed and discussed. The procedure is based on an approach to nonlinear filtering of signals which have been nonadditively combined, that has been termed generalized linear filtering.)

时域信号转换为频域信号的几个例子，本人都用过的，绝对能运行(Time-domain signal is converted to frequency domain signal a few examples, I have been used, absolutely can run)

找函数的零点位置， 返回的是零点的index。 被找的函数须是连续函数 (Find zero points index of a continous function)

数字通信中2FSK调制与解调原理及详细源代码(2FSK Digital Communication Principles of modulation and demodulation and detailed source code)