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ChengShiMaYiChengXu
说明： 城市蚂蚁算法MATLAB程序，跟刚才上传的不一样，都有很高的使用价值(Ant Algorithm MATLAB city procedures, with just uploaded not the same, have a very high value)
- 2008-11-13 15:28:56下载
- 积分：1
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wodewodewode
对于移动通信系统主要有两类衰落：大规模衰落和小规模衰落。大规模衰落表示由于大范围内移动而引起的平均信号能量的减少或路径损耗。而小规模衰落则表现为两种机制：信号的时延扩展和信道的时变特性。对于无线应用，信道的时变特性是由于发射机和接收机相对移动而造成传输路径的变化。这些传播条件的变化速率影响衰落率。如果存在大量反射路径而不存在视行信号分量，此时的小规模衰落称为瑞利衰落(Rayleigh fading)，接收信号的包络由瑞利概率分布函数统计描述。这种衰落也就是这次实验我准备研究的(system for mobile communications fading there are two main categories : large-scale and small-scale fading fading. In view of large-scale decline of large scale movement of the average energy of the signal path to reduce or loss. And the decline of small-scale, it was manifested as two mechanisms : signal delay expansion and channel time-varying characteristics. For wireless applications, channel time-varying characteristics as transmitter and receiver relative movement caused transmission path changes. These conditions spread of the rate changes affect the rate of decline. If there is a large number of pathways exist without depending on the signaling component, At that time, the decline of small-scale known as Rayleigh fading (Rayleigh fading). The received signal envelope from Rayleigh )
- 2007-06-20 23:44:47下载
- 积分：1
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Chetan
online shopping project
- 2014-09-28 19:58:45下载
- 积分：1
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PID-Control-5
离散系统的数字PID控制，可以根据S参数选择跟踪三角波、锯齿波、随机信号，跟踪效果良好。(Discrete system of digital PID control, S-parameters can be selected track triangle wave, sawtooth, random signals, track to good effect.)
- 2011-10-06 12:10:36下载
- 积分：1
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sypj
建立一个实测信号的样本，这里我建立四个随机信号的样本，因为方便显示，蓝色信号为有用信号（正弦信号），黑色的四个信号是随机信号分别与正弦信号叠加形成的实测信号，最后红色的信号为样本的均值信号，即为时域同步平均效果下的信号。(A sample of the measured signal, I created four random signal samples, because it' s easy to display, blue signal is useful signal (sinusoidal signal), four black signal is a random signal with sinusoidal signal is superimposed on the formation of the measured signal. the final red signal is the mean of the sample signal, that is, the average effect of time-domain synchronous signal.)
- 2020-12-12 16:09:15下载
- 积分：1
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zishiying
自适应中值滤波的编程,用MATLAB实现的,可能程序有点简单,太是真正能实现的(Adaptive median filter programming with MATLAB realize, and perhaps a bit simple procedure, too is really to achieve the)
- 2008-05-31 00:31:46下载
- 积分：1
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system-identification
说明： 多个辨识算法的GUI编程
包括最小二乘，递推最小二乘，牛顿参数，梯度矫正，极大似然法等。(GUI programming multiple recognition algorithms, including least squares, recursive least squares, Newton' s argument, the gradient correction, the maximum likelihood method.)
- 2011-03-06 10:42:01下载
- 积分：1
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mie_scattering
说明： 通过mie级数计算球体的消光截面，散射截面，吸收截面(Mie series by calculating the extinction cross section sphere, scattering cross section, absorption cross section)
- 2011-04-11 16:27:32下载
- 积分：1
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signal_compress_demo
MATLAB程序，用小波变换的方法实现Haar分解与重构。(MATLAB program, the method used to achieve Haar wavelet transform decomposition and reconstruction.)
- 2010-06-02 13:43:57下载
- 积分：1
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optimum-array-processing
最优阵列处理随书程序，最全版本,包含课后习题程序(matlab code of optimum array processing)
- 2014-09-09 16:50:14下载
- 积分：1
