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refRake
rake接收机仿真，参考程序walsh码扩频，三径瑞利信道，三种合并方式(rake receiver simulation, the reference program walsh code spreading, three-path Rayleigh channel, three kinds of merger)
- 2013-08-31 18:34:31下载
- 积分：1
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my_thresholding
thresholding technigues on different filters
- 2014-11-02 23:31:16下载
- 积分：1
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kmeansK
KMEANSK Performs K-means clustering given a list of feature vectors and k
The argument k indicates the number of clusters you want the data to be
divided into. data_vecs (N*R) is the set of R dimensional feature
vectors for N data points. Each row in data_vecs gives the R
dimensional vector for a single data point. Each column in data_vecs
refers to values for a particular feature vector for all the N data
points. The output data_idxs is a N*1 vector of integers telling which
cluster number a particular data point belongs to. It also outputs
centroids which is a k*R matrix, where each rows gives the vector for
the cluster center. If we want to segment a color image i into 5
clusters using spacial and color information, we can use this function
as follows:
- 2011-12-22 19:45:32下载
- 积分：1
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improved_OMP_channe_estimation
改进的OMP_channel_estimation信道估计(improved OMP channel estimation)
- 2014-07-08 21:04:36下载
- 积分：1
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image
图形的数值分析，基于MATLAB的一些基本图像处理算法(Numerical Analysis of graphics, some of the basic MATLAB-based image processing algorithms)
- 2009-05-12 11:48:01下载
- 积分：1
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yiyuanyouhua
刚开始学习编码，希望能够和各位多多交流。也希望这个小程序能够抛砖引玉。(Has just started to learn coding, and you want to interact more. Also hope that this small program can attract valuable comments.)
- 2009-12-06 17:48:22下载
- 积分：1
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22222
几张图像，用我的代码，经过matlab程序，制作成简单的动画。。。(Several images, using my code, after matlab program, made into a simple animation. . .)
- 2013-05-27 00:25:20下载
- 积分：1
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实验代码
由于卫星与用户接收机二者的连线方向上存在相对运动，因此引起了载波和伪码的多普勒效应，再加上接收机晶体震荡频率漂移和卫星时钟频漂等原因。接收机实际接收到的卫星载波中心频率一般不再等于信号被发射时的标称频率，这就需要接收机在载波频率一维对信号进行搜索。同时，由于卫星到接收机的距离时刻变化，加上接收机始终相对于GPS时间的偏差又并不固定，因而接收信号的伪码相位值也在改变，所以接收机也要在码相位一维对信号进行搜索。扩频信号的捕获是一个对目标信号频率域和相位域进行的二维搜索过程。(Because of the relative motion between the two of the satellite and the user receiver, the Doppler effect of the carrier and pseudo-code is caused, and the frequency drift of the oscillation of the receiver crystal and the frequency drift of the satellite clock are added. The frequency of the satellite carrier center that the receiver actually receives is generally no longer equal to the nominal frequency of the signal being transmitted, which requires the receiver to search the signal in one dimension of the carrier frequency. At the same time, because the distance between the satellite to the receiver is changed, the deviation of the receiver always relative to the GPS time is not fixed, so the pseudo code phase value of the received signal is also changing, so the receiver also searches for the signal in the code phase. The acquisition of spread spectrum signal is a two-dimensional search process for the frequency domain and phase domain of the target signal)
- 2018-06-27 08:59:05下载
- 积分：1
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E
说明： 本程序主要是包含了ESPRIT算法性能的一维仿真和二维的仿真。(This procedure includes the ESPRIT algorithm is mainly one-dimensional simulation of the performance and two-dimensional simulation.)
- 2010-07-04 22:10:34下载
- 积分：1
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002
MATLAB环境下采用灰度变换的方法增强图像的对比度(Using gray-scale transformation method of contrast-enhanced images)
- 2009-02-09 00:47:10下载
- 积分：1
