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k均值算法，社区划分算法中经典算法，WSN中分簇也可使用该算法。(K-means algorithm, classic algorithms in community partition algorithm, clustering can also use this algorithm in the WSN.)

水印提取检测的matlab程序代码 对嵌入水印图像进行dct变化，提取水印序列，计算序列相关值(Detection of watermark extraction matlab code for dct embedded watermark image change, extract the watermark sequence, calculating the value of serial correlation)

说明：  图像分割是一种重要的和关键的图像分析技术，其目的是把图像分成各具特性的区域并提取出感兴趣的部分，图像分割的结果是图像特征提取和识别等图像理解的基础。对它的研究一直是图像技术研究中的热点和焦点，提出了数以千计的不同算法，虽然这些算法大都在不同程度上取得了一定的成功，但是图像分割问题还远远没有解决，这方面的研究仍然面临很多挑战。(Image segmentation is an important and critical image analysis, the purpose is to image into regions with different characteristics and extract the interesting part, the result of image segmentation is the image feature extraction and recognition based on image understanding. Study it has been a hot spot imaging technology research and focus, made thousands of different algorithms, although most of these methods to varying degrees, achieved some success, but the image segmentation problem is far from resolved, it of research still faces many challenges.)

Set of tools to perform transformations between projection, ellipsoidal and cartesian coordinates in either direction. (Set of tools to perform transformations be tween projection. ellipsoidal and cartesian coordinates in eith er direction.)

自己用的一个求MFCC参数的程序，绝对好用，带原始数据，可直接运行(A program and MFCC parameters, absolutely easy to use, with the original data, and can be run directly)

为了防止码间干扰，rs码编译码采用硬判决+维特比译码(rs_hdd_vterbi)

11n物理层最后达成的联合草案，Joint Proposal: High throughput extension to the 802.11 Standard: PHY(Joint Proposal: High throughput extension to the 802.11 Standard: PHY)

说明：  广义预测控制仿真的源代码将在这里展示，用MATLAB进行仿真。(a good simulation is shown.)

主要讲述球形译码的详细步骤，包括信道仿真，球状译码的实现，还有在仿真图形的对比(Mainly about the the sphere decoding steps, including channel simulation spherical decoding implementation, as well as in the comparison of the simulation graphics)

说明：  EEMD：总体经验模态分解，一种改进的EMD方法。(Total empirical mode decomposition is an Improved EMD method.)