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MPSKSimulation(BPSKQPSK8PSK)
- 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 and/or 8
MPSK
- 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 Wc (Band-li
ostbc
- This program simulates the bit-error-rate (BER) performance of OSTBC with L=4 antennas over the frequency flat Rayleigh block fading channel The code is developed for real orthogonal design, code rate 1/2 modulation- 16 QAM with gray c
gray_Code
- 这是用MATLAB编写的静态图像压缩程序中的基于灰度编码部分-is prepared using MATLAB static image compression based on the procedures Gray coding
数字通信中的16QAM映射
- 数字通信中的16QAM映射,采用格雷码编码,包括星座图的显示,简单明了清晰,由此可以退出64,128QAM的matlab编码-Digital communication 16QAM mapping, the use of Gray coding, including the constellation display, simple clear, it can be out of the 64,128 QAM matlab code
fga.rar
- 遗传算法MATLAB函数程序,格雷编码,均匀,多点交叉,倒位操作,Genetic Algorithm MATLAB function procedures, Gray coding, uniform, multi-point crossover, inversion operation
GrayCode
- matlab环境下格雷码的编码,二进制译成格雷码,反之- gray coding in Matlab environment,Binary translated into gray yards
GMSK_QPSK_8PSK
- 里面有8PSK,GMSK的matlab源程序,贡献出来了-I was interested in the theory for 8PSK and came across this m-file written in 1999. It requires 2 function calls (graymapPSK and grayunmapPSK) which I have included and must be uncommented(single comments only) and
111Regionbetter
- 经典区域生长源码(区域增长),比起灰度阈值法有不可比拟的优势,一旦尝试,欲罢不能啊,只是,在实时性应用方面还有待改进,m代码编写易懂,易用,易改写成其他语言,如果改写成c,应该速度有所提高.请尽情享用-Classical region growing source (regional growth), compared to gray-scale threshold method has unparalleled advantages, once the attempt to stop ah,
fracialimagecompressionindctdomainbasedonadaptivec
- 在对基本的域分形图像压缩方法进行分析基础上提出了一种改进方案即基于自适应分类加权最小二乘法的域分形图像压缩方法并使用基本方法和改进方法对标准灰度图像分别进行了测试测试结果表明本文提出的方法可以在下降很小的情况下大大提高编码速度-In the domain of the basic fractal image compression method based on an analysis of an improved program that is based on adaptive classi
Coutelle_Walter_WICCGPI2003
- We present in this paper a technique for modeling and rendering wrinkles in facial animation. The main advantage of our approach from previous work is that we do not modify the actual face geometry, but instead we render the wrinkles as bump te
QPSK_chain
- Simulation of a baseband QPSK mod/demod: TX : a pseudo random bit stream generation, Serial to parallel conversion, QPSK Mapping (Gray coding), Signal power computation Channel : AWGN channel RX: Soft Demapping / Hard Demapping, Plot constellat
jpeg_encode+decoderhojoon
- This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
123
- Rayleigh信道中的误码率仿真源代码下载-Descr iption This program simulates the bit-error-rate (BER) performance of Orthogonal space time block code over Rayleigh fading channel with L=4 TX antennas and M=1 RX antenna The code has been developed for real orthogo
coding
- 此代码是在保持信噪比的情况下,进一步提高了压缩比。灰度级的减少,势必会降低信噪比,但因为是处以比较小的整数,并没有引起熵值的剧烈变化,编码后信噪比基本不变。-This code is to maintain the signal to noise ratio of the case, to further improve the compression ratio. Gray-scale reduction, will inevitably reduce the signal to noise
JPEG_compression_image.m
- 利用Matlab编程实现对lena.bmp灰度图象进行QF=50和QF=40的压缩和解压缩,比较二者的PSNR,并且利用霍夫曼编码模拟信道中传输图象。通过了Matlab2009A测试。-Using Matlab program to compress and decompress the gray image Lena.bmp at QF = 50 and QF = 40,as well as comparing the result of two situation.Then using Hu
QPSK_ERROR_RAYLEIGH
- 这个程序是用格雷码的基带仿真,在加高斯白噪声的情况下仿真ber和ser曲线-the purpose of this m-file is to show a baseband simulated version of QPSK with Gray coding( Rayleigh multipath and AWGN added) which may give valid results
matlab
- gray coding for a 16QAM modulation scheme
doc0846H
- Main Features • Quad ADC with 8-bit Resolution – 1.25 Gsps Sampling Rate in Four-channel Mode – 2.5 Gsps Sampling Rate in Two-channel Mode – 5 Gsps Sampling Rate in One-channel Mode – Built-in four-by-four Crosspoint Switch • 2.
qpsk-simulation-with-gray-coding-and-simple-rayle
- QPSK simulation with gray coding in rayleigh and awgn channel.SNR vs BER performance in rayleigh and awgn channel is also analysed.