Search - random matlab

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[Books] pcm DL : 0: pcm均匀pcm与非均匀pcm 一。产生长度为500的零均值，单位方差的高斯随机变量序列，用均匀pcm的方法用16电平进行量化：1）求所得的SQNR，该序列的前5个值，相应的量化值和相应的码字。2）画出量化误差（定义为输入值和量化值之间的差），同时画出量化值作为输入值的函数的图。3）用128量化电平数重做2）题，比较结果。-pcm uniform pcm with a non-uniform pcm. Have a length of 500 zero-mean, unit variance Gaussian random variables with a uniform method of pcm level by 16 to quantify: 1) demand from SQNR, the sequence of the first five values, the corresponding quantization value and the corresponding code word. 2) draw quantization error (defined as the import value and quantify the value of the difference between), at the same time draw to quantify the value of the import value as a function of the map. 3) 128 to quantify the number of redo-level 2) title, the results of the comparison.
Date : Size : 4kb User : jin
[Special Effects] KLtransform DL : 0: （1）应用9×9的窗口对上述图象进行随机抽样，共抽样200块子图象；（2）将所有子图象按列相接变成一个81维的行向量；（3）对所有200个行向量进行KL变换，求出其对应的协方差矩阵的特征向量和特征值，按降序排列特征值以及所对应的特征向量；（4）选择前40个最大特征值所对应的特征向量作为主元，将原图象块向这40个特征向量上投影，所获得的投影系数就是这个子块的特征向量。（5）求出所有子块的特征向量。 -(1) the application of 9 × 9 window of these images at random, a total sample of 200 sub-image (2) all sub-image by out-phase into a 81-dimensional vector lines (3) All 200 line vector KL transform, derive its corresponding covariance matrix eigenvectors and eigenvalues, in descending order eigenvalues and corresponding eigenvectors (4) a choice to 40 corresponding to the largest eigenvalue eigenvector as the main element, the original image block to the 40 on the projection eigenvector obtained projection coefficient is the sub-block eigenvector. (5) calculated for all sub-block eigenvector.
Date : Size : 2kb User : 龙活
[AI-NN-PR] GA DL : 0: matlab编写的遗传算法优化程序，采用随机配对交叉，多点交叉，两点交叉，编译对目标函数进行优化-matlab genetic algorithm to optimize the preparation procedures, using a random cross-matching, multi-point crossover, two cross-cutting, the compiler of the objective function to optimize
Date : Size : 1kb User : 夏雨泽
[Special Effects] mrfdemo DL : 0: markov random fields, segmentation codes
Date : Size : 8.88mb User : yaoyao zhu
[Special Effects] MRF_MATLAB DL : 0: 马尔可夫（MRF）图像分割MATLAB源码,有30几个函数。Markov随机场的例子程序,对于初学MRF的人很有用,能得到直观的印象-Markov (MRF) image segmentation MATLAB source code, 30 a number of functions. Markov random field example of the procedure, for beginner person MRF useful that they can get a visual impression
Date : Size : 19kb User : 倪昊
[Other] AdHocSimulate DL : 0: 该代码用来实现一个基本移动自组网的仿真，各个节点随机移动，通过相互交换数据观察最后运行结果，代码简洁，避免了一些大型仿真软件的复杂使用过程。-The code used to achieve a basic mobile ad hoc network simulation, each node random movement, through mutual exchange of data to observe the final results, the code is simple and avoids some of the complexity of large-scale simulation software use.
Date : Size : 32kb User :
[matlab] suijitu DL : 0: 在matlab中，生成复杂网络的随机图的两种策略-In matlab, the generation of random graph complex network of two strategies
Date : Size : 1kb User : susan
[matlab] filter-deniose DL : 0: matlab下实现降噪，功率谱计算。％程序中设定采样点数为256个，采样频率为10000hz，％输入信号为随机噪声和两个正弦的合成信号％设定的滤波器的截止频率为3500hz ％通过挈比雪肤滤波器，运行程序，比较滤波前后的频域波形％滤波去除了高频信号-matlab achieve noise reduction, power spectrum calculation. Sampling procedure set for 256 points, the sampling frequency of 10000hz, input signal for the random noise and the two sinusoidal signals synthetic filter set a cut-off frequency 3500hz manner than through the filter雪肤, run procedures, compared before and after filtering in frequency domain waveforms filtering in addition to high-frequency signals
Date : Size : 1kb User : 范范
[BREW] MATLAB_GUI_for_Realizing_the_Radiation_Pattern_of_ DL : 0: A MATLAB GUI platform for realizing the radiation pattern of narrowband beamformer with random array geometry. User can specify the array geometry, directions of incoming signals, noise power, and the type of beamformer. Useful for gaining insight about collaborative beamforming in sensor networks and random arrays. You need both randomarray.fig and randomarray.m to work. -A MATLAB GUI platform for realizing the radiation pattern of narrowband beamformer with random array geometry. User can specify the array geometry, directions of incoming signals, noise power, and the type of beamformer. Useful for gaining insight about collaborative beamforming in sensor networks and random arrays. You need both randomarray.fig and randomarray.m to work.
Date : Size : 8kb User : zhouyu
[matlab] MATLAB DL : 0: matlab 实现数字信号处理，单位抽样序列的产生-matlab digital signal processing, random sequence of units produced
Date : Size : 24kb User : jesus
[AI-NN-PR] DifferentialEvolutionAPracticalApproachtoGlobalOpt DL : 0: 这是一本讲微分进化的书，进化算法是以遗传算法为代表的一类随机算法的总称，95年由Rainer Storn和Kenneth Prici提出微分进化方法，比传统进化算法更好更简单，2004年该方法的原创者出版了长达580页的微分进化：一种全局优化的实用方法，本书是英文版，似乎还没有中文版，希望对感兴趣的人有用-This is a book stresses differential evolution, evolutionary algorithm based on genetic algorithm to represent a class of random algorithm collectively, 95 by Rainer Storn and Kenneth Prici proposed differential evolution approach, better than the traditional evolutionary algorithm simpler, 2004 The method of the originators of the publication of up to 580 of the differential evolution: A practical method for global optimization, this book is the English version seems to have been the Chinese version, in the hope that people interested in useful
Date : Size : 9.39mb User : plow
[Other] CDMA_WITH_DSSS_FHSS DL : 0: CDMA 的仿真程序，Frequency Hopping Spread Spectrum,Random frequency hopps to form a spread signal-CDMA s simulation program, Frequency Hopping Spread Spectrum, Random frequency hopps to form a spread signal
Date : Size : 3kb User : hws
[Windows Develop] randomwalk DL : 0: random walk for solution attachment-random walk for solution attachment， developed in DTU
Date : Size : 2kb User : 袁浩
[matlab] opt_random DL : 0: 随机数的产生！在matlab里面实现的-The generation of random numbers! Inside achievable in matlab
Date : Size : 15kb User : haboy
[matlab] shuzitezheng DL : 0: 随机信号分析，包括随机信号的数字特征，相关函数和协方差，带图形显示。-Random signal analysis, including the number of characteristics of random signals, correlation functions and covariance, with graphical display.
Date : Size : 1kb User : ladanh
[AI-NN-PR] SOA_wgyh_zyk_dai_57 DL : 0: 对电力系统57接点应用随机搜索法进行潮流分析,及电压稳定分析-Contact 57 on the power system using random search method for trend analysis, and voltage stability analysis
Date : Size : 5kb User : jiangzhiling
[Other] matlab_random_function DL : 0: matlab相关随机过程函数，产生随机数-matlab random process related to function, generate random numbers and so on
Date : Size : 6kb User : jet
[Other] MGMTA DL : 0: < MATLAB遗传算法工具箱及应用>>介绍了如何在MATLAB中完成遗传算法的应用。遗传算法[Genetic Arithmatic，简称GA]是以自然选择和遗传理论为基础，将生物进化过程中适者生存规则与群体内部染色体的随机信息交换机制相结合的高效全局寻优搜索算法。GA摒弃传统的搜索方式，模拟自然界生物进化过程，采用人工进化的方式对目标空间进行随机优化搜索。MATLAB是MATHWORKS公司的一套高性能的数值计算和可视化软件。MATLAB遗传算法工具箱及应用 -Genetic Algorithm [Genetic Arithmatic, referred to as GA] is based on natural selection and genetic theory, the process of biological evolution survival of the fittest rules and groups of chromosomes within the clearing-house mechanism of the random combination of efficient global optimization search algorithm. GA to abandon the traditional search methods to simulate the process of natural biological evolution, artificial evolution approach on the target stochastic optimization search space. Mathworks Inc. MATLAB is a high-performance numerical computation and visualization software. MATLAB genetic algorithm toolbox and its application
Date : Size : 5.86mb User : 吴晓晖
[matlab] travai1 DL : 0: Matlab code for encoding an unwrapping phase InSAR image based on Markov Random field
Date : Size : 7.99mb User : Riadh
[Other] DSSS DL : 0: 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。-A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modulation, channel for AWGN (additive white Gaussian noise channel) channel (AWGN channel: do not consider communication channel signals, described by the scope of broadband wireless random statistical noise.). At the receiving end for despreading, demodulation, judgments, through the simulation to be one of a user' s bit error rate and SNR of the simulation results.
Date : Size : 9kb User : jehuty

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