matlab

Monte Garlo 仿真程序，关于误码率与信噪比的对应关系，希望对大家学习有所帮助(Monte Garlo simulation program, on the bit error rate and signal to noise ratio of the corresponding relations and hopes to help them to learn)

说明：  在二值化前,将像素与阈值的误差扩散到周围像素上,提高图像的二值化质量(value of the two former, and pixel threshold value of the error spread to the surrounding pixels, and improve the image quality of two values)

In Matlab 模拟与分析PCM不同量化级别的量化噪声 可以直接运行(In Matlab， simulation and analysis of different quantization levels of PCM quantization noise ，can be run directly)

用matlab 7.0编写的滑模变结构仿真的例子。(S-function for continuous state equation function [sys,x0,str,ts]=s_function(t,x,u,flag) switch flag, Initialization case 0, [sys,x0,str,ts]=mdlInitializeSizes Outputs case 3, sys=mdlOutputs(t,x,u) Unhandled flags case {2, 4, 9 } sys = [] Unexpected flags otherwise error([ Unhandled flag = ,num2str(flag)]) end mdlInitializeSizes function [sys,x0,str,ts]=mdlInitializeSizes sizes = simsizes sizes.NumContStates = 0 sizes.NumDiscStates = 0 sizes.NumOutputs = 3 sizes.NumInputs = 1 sizes.DirFeedthrough = 1 sizes.NumSampleTimes = 0 sys=simsizes(sizes) x0=[] str=[] ts=[] function sys=mdlOutputs(t,x,u) x11d=sin(pi*t/2) x21d=cos(pi*t) x31d=1 sys(1)=x11d sys(2)=x21d sys(3)=x31d )

MATLAB code for 8PSK modulation

通信系统中常用的三种基本信号：SSB,DSB,AM。可查看其波形及相应的图像。(Communication systems commonly used in three basic signals: SSB, DSB, AM. To see the waveform and the corresponding images.)

模糊控制实例说明，请大家下载观看哦，希望对你们有用(Fuzzy control examples, please download watch Oh, I hope useful)

本程序采用matlab编码，一共有包括帧间差分法、背景差分法、光流法、混合高斯模型法四种方法来实现红外目标检测的功能，代码检测易懂，适合初学者多多借鉴~(This procedure using matlab coding, a total including the inter-frame difference, background subtraction, optical flow method, Gaussian mixture model approach are four ways to achieve infrared target detection capabilities, code detection understand for beginners learn a lot ~)

基于混沌理论构建的信号检测系统具有敏感微弱周期信号和对噪声有强免疫力的特点,用于微弱信号检测领 域优势明显。实验室内研究需要产生包括混沌噪声在内的各种噪声,并叠加微弱周期信号作为微弱信号检测系统的信号 源。介绍一种基于LabVIEW平台并结合Matlab计算模块的混沌噪声发生器,可产生典型的3种混沌噪声:Logistic,Duff2 ing,Lorenz形式。该发生器将LabV IEW易于接口实现和Matlab计算精度高、编程简捷的特点相结合,具有结构清晰、通用 性强、易于实现、使用方便的特点。 (Built based on chaos theory, sensitive signal detection system with weak periodic signal and has a strong immunity to noise characteristics of the area for weak signal detection have obvious advantages. Laboratory studies need to generate, including noise, chaos, including a variety of noise and superimposed weak periodic signal as a weak signal detection system, signal source. Introduction of a platform based on LabVIEW and Matlab calculation module with the chaotic noise generator can produce the typical three kinds of chaotic noise: Logistic, Duff2 ing, Lorenz form. The generator will be LabV IEW easy interface, and Matlab calculation of high accuracy, simple programming features combined with a clear structure and versatility, easy to implement, easy to use features.)

人脸表情识别，稀疏表示，人脸表情图片，表情库。matlab程序实现，绝对可以调试运行。 毕业设计内容。(Facial expression recognition, sparse representation, facial expression, facial expression . Matlab programming, can debug the operation. Graduation design content.)