This m file hide an image jpeg,png in another jpeg,png image. The height and width of the secret image is in LSB of 1st 32 pixels of 1st row of the cover image.This helps in the recovery of secret image. The secret image must be smaller than cover image.A message box will appear with a number ,that number is the maximum product of width and height of secret image that can be successfully embedded in the cover image. The final png image will appear in workspace with random name.This image contains the secret image.One such png image is in the zip file with name 4447.png it contains an image of res 100x122.
资源简介:This m file hide an image jpeg,png in another jpeg,png image. The height and width of the secret image is in LSB of 1st 32 pixels of 1st row of the cover image.This helps in the recovery of secret image. The secret image must be...
上传时间: 2017-07-25
上传用户:gououo
资源简介:This m file models an UWB system using BPSK. The receiver is a correlation receiver with a LPF integrator and comparators for threshhold selection.
上传时间: 2014-12-19
上传用户:ryb
资源简介:This book is concerned with the description and analysis of the global second generation (2G) mobile radio systems: the Global System of Mobile Communications (GSM) and cdmaOne. A subsidiary goal is to examine how these two systems will e...
上传时间: 2014-01-13
上传用户:2467478207
资源简介:This guide reviews the rules and syntax of the principle commands that comprise C and its object-oriented cousin, C++. The reference consists of 19 chapters that define operators and the standard input/output, string, character, and more.
上传时间: 2014-01-15
上传用户:ve3344
资源简介:This document contains a detailed description of the usage and configuration of the JSVM [Joint Scalable Video Model] software for the Scalable Video Coding [SVC] project of the Joint Video Team [JVT] of the ISO/IEC Moving Pictures Experts ...
上传时间: 2017-03-26
上传用户:sz_hjbf
资源简介:this document describes the design and implementation of the "one card" system in a colleage
上传时间: 2014-01-20
上传用户:wuyuying
资源简介:Samsung 8-bit machine the realization of the definition and operation of the sample file spaces
上传时间: 2013-11-29
上传用户:aeiouetla
资源简介:Here is the code for covering an area of the field. And converge of the field.
上传时间: 2017-06-28
上传用户:rishian
资源简介:this m file is describe Similarity matrix for an image
上传时间: 2014-01-21
上传用户:黄华强
资源简介:This m file models a DPSK UWB system using a delay in one leg of the mixer, correlation receiver low pass filter combination requiring no template for synching. Various waveforms are displayed throughout the system to allow the user to obse...
上传时间: 2013-12-13
上传用户:semi1981
资源简介:Models UWB TX and RX using BPSK fifth derivative. MATLAB Release: R13 Description: This m file models a UWB system using BPSK with the fifth order derivative of the gaussian pulse with correlation receiver and intgrator.
上传时间: 2015-05-08
上传用户:zhliu007
资源简介:This m-file displays the time waveform for the Gaussian pulse function and the first and second derivatives of the Gaussian pulse function for a 0.5 nanosecond pulse width. Other values of pulse widths may be used by changing fs,t,t1. The p...
上传时间: 2015-05-08
上传用户:leixinzhuo
资源简介:THIS M-FILE USES THE TRANFER MATRIX METHOD TO EVALUATE THE COUPLED-MODE %EQUATIONS. THE REFLECTION SPECTRUM OF THE GRATING AND THE TRANSMISSION %SPECTRUM, DELAY AND DISPERSION OF THE FABRY-PEROT FILTER ARE SIMULATED
上传时间: 2015-08-11
上传用户:CHINA526
资源简介:this m file can Find a (near) optimal solution to the Traveling Salesman Problem (TSP) by setting up a Genetic Algorithm (GA) to search for the shortest path (least distance needed to travel to each city exactly once) Notes: 1. Input erro...
上传时间: 2013-12-21
上传用户:ruixue198909
资源简介:This m-file simulates MPSK (theoretical and simulated) with Gray coding This m-file simulates MPSK (BPSK,QPSK,8PSK)with theoretical and simulated results using Gray coding. Numerical examples of a satellite link design are shown using QPSK...
上传时间: 2014-01-11
上传用户:372825274
资源简介:This m file analyzes a coherent binary phase shift keyed(BPSK) and a amplitude shift keyed(ASK) communication system. The receiver uses a correlator(mixer-integrator[LPF]) configuration with BER measurements comparing measured and theoretic...
上传时间: 2015-09-26
上传用户:liuchee
资源简介:This m-file simulates MPSK (BPSK,QPSK,8PSK)with theoretical and simulated results using Gray coding. Numerical examples of a satellite link design are shown using QPSK and/or 8PSK when the bit rate(Rb)is greater than the channel bandwidth W...
上传时间: 2016-01-18
上传用户:pompey
资源简介:This m file plots the time and frequency domain of UWB PPM(pulse position modulated) waveforms(monocycles and doublets) with different pulse recurring frequency (PRF)and information rates.
上传时间: 2016-06-28
上传用户:亚亚娟娟123
资源简介:This m file models a UWB system using BPSK with the fifth order derivative of the gaussian pulse with correlation receiver and intgrator.
上传时间: 2016-06-28
上传用户:xuanjie
资源简介:This m file models a DPSK UWB system using a delay in one leg of the mixer, correlation receiver low pass filter combination requiring no template for synching. Various waveforms are displayed throughout the system to allow the user to obse...
上传时间: 2013-12-25
上传用户:yyyyyyyyyy
资源简介:This computes an in-place complex-to-complex FFT x and y are the real and imaginary arrays of 2^m points. dir = 1 gives forward transform dir = -1 gives reverse transform
上传时间: 2013-12-17
上传用户:huql11633
资源简介:This m file simulates a differential phase shift keyed (DPSK) ultra wide bandwidth(UWB) system using a fifth derivative waveform equation of a Gaussian pulse.
上传时间: 2014-01-03
上传用户:784533221
资源简介:This m file shows constellation for MQAM.
上传时间: 2014-01-10
上传用户:wfl_yy
资源简介:This m file performs the CDMA coding and decoding.
上传时间: 2013-12-18
上传用户:源码3
资源简介:This m file performs the QPSK transmission and reception.
上传时间: 2017-03-22
上传用户:熊少锋
资源简介:This m file have many simulation about environment
上传时间: 2013-12-29
上传用户:二驱蚊器
资源简介:This M-file is about using Particle Swarm Algorithm (PSO) to train a Fuzzy Neural Network.
上传时间: 2017-07-15
上传用户:a673761058
资源简介:This M-File imports data from binary *.dat files, created with PSpice 6.0 (DOS), 9.1 (Student), and 10.0.3. If you are using newer versions of PSpice, you might need to adjust the code.
上传时间: 2017-07-28
上传用户:zsjinju
资源简介:This m-file implements the frame difference algorithm for background subtraction.
上传时间: 2013-12-25
上传用户:123456wh
资源简介:fft.c--This computes an in-place complex-to-complex FFT x and y are the real and imaginary arrays of 2^m points. dir = 1 gives forward transform dir = -1 gives reverse transform
上传时间: 2016-09-17
上传用户:ljt101007