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Matlab

于 2010-01-02 发布文件大小:1011KB

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这是一本有关MATLAB的参考书，适合于使用MATLAB或正在打算使用MATLAB的读者。本书另辟蹊径可以借助或不借助MATLAB随带的文档资料让读者自学MATLAB。作为编程语言和可视化工具,MATLAB具有丰富的一系列功能,可解决工程、科学计算和数学学科中许多问题。本书的基本目的是通过向读者展示如何有效地使用这些功能来帮助读者增强工作能力。由于MATLAB交互式的性质,书中内容以举例方式来描述。在读者阅读本书的同时, 这些例子可以通过运行MATLAB而再现。 (This is a reference book on MATLAB, suitable for the use of MATLAB or is intended to use MATLAB readers. Another way this book can make use of, or without the aid of MATLAB documentation that came with the reader learning MATLAB. As a programming language and visualization tools, MATLAB has a rich range of functions, solve engineering, scientific computing and mathematics disciplines, many problems. The basic purpose of this book by showing the reader how to effectively use these features to help readers enhance the ability to work. Since MATLAB interactive nature of the book by way of example to describe the content. The reader to read this book at the same time, these examples by running the MATLAB and reproduction.)

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OFDM-MATLAB
这里面有两个程序，两个都是采用4QAM调制。不过个人觉得第一个更容易懂，因为写的很有条理。我改的那个程序就是根据这个来的。不过在这里面有个问题就是信道系数只能是由高到低，大家可以试试，改成[0.227 0.46 0.688 0.46 0.227]这个是老师给我的仿真中常用的信道系数，这个成为归一化信道，就是系数平方和为1. 第二个程序没有涉及到信道系数，但是这个程序当中，在128个子载波中，前后有32个空载波，这个在OFDM中也是经常用的，这样可以降低误码率。 (And there are two programs, two are based on 4QAM modulation. But personally feel that the first is easier, because the writing is organized. I changed that procedure is based on the past. However, there is a problem in that there is only channel coefficients from high to low, we can try and change into [0.227 0.46 0.688 0.46 0.227] This is the teacher gave me the simulation channel coefficient commonly used, this became normalized channel, is coefficient of the square and is 1. The second program is not related to channel coefficients, but this program which, in the 128 sub-carriers, the before and after the 32 air carriers, the in OFDM is also often used, which can reduce the error rate.)

2010-10-09 17:19:06下载

积分：1
simulink-transformator
simulink transformator

2009-04-25 22:34:36下载

积分：1
Evacuation-simulation
人员疏散过程建模仿真采用元胞自动机的方法对公共安全中的人员疏散问题进行了分析，在此基础上提出了一系列的基本假设，建立了人员疏散模型（Occupant Evacuation Model），并用Matlab实现了仿真程序。通过在不同初始条件下的多次仿真测试，比较了不同条件下的仿真结果，由此提出了一些公共场所提高安全防范的措施和人员疏散方法的建议，以使灾害发生时尽量减少人员伤亡。 (Evacuation process modeling and simulation)

2020-12-29 14:49:00下载

积分：1
pi4dqpsk_Demo
pu/4 DQPSK matlab modulation code

2013-11-29 07:54:05下载

积分：1
tuxiangchuli
对图像进行预处理，然后进行经典的阈值分割，形态学分割以及种子区域生长。(Preprocess the image, and then the classic threshold segmentation, morphological segmentation as well as seed region growing.)

2012-12-30 10:08:35下载

积分：1
daolibai
实现了用于倒立摆建模的TS模糊系统“model.fis"，及用于控制的Ts型模糊控制器“tc.fis"。(Achieve inverted pendulum modeling for TS fuzzy systems " model.fis" , and Ts fuzzy controller for the " tc.fis" .)

2014-03-08 10:09:04下载

积分：1
yibudianjiqidong
异步电机的启动，本人亲自编写，并且经过自己的验证，绝对可信(Start asynchronous motors, I personally prepared, and after their verification, absolutely credible)

2014-03-14 20:54:15下载

积分：1
pa_in_out_memoryless
预失真补偿后的图形,采用快速傅里叶变换（Fast Fourier Transform, FFT）计算得信号的频率数据，再利用得到的频率数据计算功放预失真补偿前后功率谱密度样值(Predistortion compensation of graphics, using the Fast Fourier Transform, Fast Fourier Transform and FFT) Calculate signal frequency data, then get the frequency of the power spectral density before and after data computing power amplifier predistortion compensation Sample values)

2015-10-09 14:52:44下载

积分：1
1
说明：使用抖动创建图像。使用抖动得到的图像看上去有更多的颜色数；不适用抖动得到的图像看上去颜色数少，大门空间分辨率要高些。(Creating images using dithering. Jitter by using the image appears to have more number of colors not apply to jitter resulting image looks small number of colors, the door to higher spatial resolution.)

2011-02-12 14:11:26下载

积分：1
MDFA
实现滑动去趋势波动分析，程序内部有解释，在MDFA文件中可以改变相应的参数值，使结果更好。x中存放的是脑电信号，这里没有上传。可以根据需要，用这种方法处理不同数据。(Achieve sliding detrended fluctuation analysis, is explained within the program, the file can be changed in the MDFA the corresponding parameter values so that the results better. x is stored in the brain signal, there is no upload. As needed, using this method to deal with different data.)

2011-06-07 15:46:44下载

积分：1

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