Pragmatic Guide to Subversion

针对基于双曲线定位的DV-Hop算法中误差项的异方差性引起的定位误差大的问题，提出了一种基于加权双曲线定位的DV-Hop改进算法。算法分析了基于双曲线定位的DV-Hop算法模型中误差项的异方差性，用加权最小二乘法对异方差性进行纠正，对加权最小二乘法中的权值矩阵进行了推导并得到与跳数相关的最佳权值矩阵，使得误差项满足同方差性，所得估计值更加接近最佳线性无偏估计。仿真实验结果表明，所提算法在节点定位精度上较现有的基于双曲线定位的DV-Hop算法都有一定提高。(Aiming at the problem that the heteroscedasticity of observation errors leads to low locating accuracy in DV-Hop algorithm based on hyperbolic positioning, this paper proposes an improved DV-Hop algorithm which based on weighted hyperbolic positioning. The algorithm analysis the heteroscedasticity of the error term in the model and takes advantage of weighted least square method which corrects heteroscedasticity straightforwardly. Then, the weight matrix related to least hops between nodes is deduced, the estimators thus obtained are more close to the best linear unbiased estimator. The simulation results show that the location performance of the improved algorithm is better than that of the exsiting DV-Hop algorithm which based on hyperbolic positioning.)

说明：  无源时间反转镜在水声通信中的应用资料，写的很好！(Application of passive time reversal mirror in underwater acoustic communication)

un programa llamado Reg Cool

VB进行大整数乘法运算实例，实现两个超大整数的相乘功能，是数学计算器中的一个功能部分，请注意乘数和被乘数都必须由数字组成。可以显示计算过程，可随机生成两个大整数以便测试，计算结果将显示在下边的文本框中。

说明：  灰狼算法优化，ui狼算法的源代码 可以很好的优化参数(Gray Wolf algorithm optimization, UI Wolf algorithm source code can be a good optimization parameters)

能对已有的单词数据库进行查询，修改，实现双向翻译，并能够进行模糊查询(Word on the existing database can be queried, modified, two-way translation, and be able to carry out fuzzy query)

clock_integer.mwl modbus master.mwl Scaling.mwl store_to_eeprom.mwl Toolbox_V31-TP-Designer for TP070, Version 1.0.rar Toolbox_V32-STEP 7-Micro WIN 32 Instruction Library.zip 模拟量转换.mwl(clock_integer.mwl modbus master.mwl Scaling.mwl store_to_eeprom.mwl Toolbox_V31-TP-Designer for TP070, Version 1.0.rar Toolbox_V32-STEP 7-Micro WIN 32 Instruction Library.zip)

说明：  阵列信号处理宽带波束形成仿真程序，课程实例仿真(Array Sigal Procrssing, Broadband Beamforming)

说明：  w5500 module gerber files

1、支持上传多个文件2、支持上传各种文件格式的文件3、可以设置上传文件的目录4、可以将上传的文件改名保存5、支持上传图片生成缩略处理6、可以判断上传文件的大小、文件类型-a support multiple files to upload 2, support a variety of file formats to upload the document three, set the upload directory four documents can be uploaded file name preservation 5, support upload pictures generated abbreviated handle six can be judged to upload file size, file type