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C4.5文档说明（数据类型，运行环境）-The explain of C4.5 document(data type,run environment)

系统辨识理论及MATLAB仿真书籍代码刘金坤书籍(System identification theory and MATLAB simulation)

一看即会新手学电脑安全与黑客攻防，专门为初学者，可以学习了解一下(It is a novice to learn computer security and hackers to attack and defend)

说明：  HHT主要内容包含两部分，第一部分为经验模态分解（Empirical Mode Decomposition，简称EMD），它是由Huang提出的；第二部分为Hilbert谱分析（Hilbert Spectrum Analysis，简称HSA）。简单说来，HHT处理非平稳信号的基本过程是：首先利用EMD方法将给定的信号分解为若干固有模态函数（以Intrinsic Mode Function或IMF表示，也称作本征模态函数），这些IMF是满足一定条件的分量；然后，对每一个IMF进行Hilbert变换，得到相应的Hilbert谱，即将每个IMF表示在联合的时频域中；最后，汇总所有IMF的Hilbert谱就会得到原始信号的Hilbert谱。(The main content of HHT includes two parts. The first part is Empirical Mode Decomposition (EMD), which was proposed by Huang, and the second part is Hilbert Spectrum Analysis (HSA). Simply speaking, the basic process of HHT processing non-stationary signals is: firstly, the given signal is decomposed into several intrinsic mode functions (represented by Intrinsic Mode Function or IMF, also known as intrinsic mode functions), which are components satisfying certain conditions; secondly, Hilbert transform is applied to each IMF. The corresponding Hilbert spectrum is obtained, that is, each IMF is represented in the joint time-frequency domain; finally, the Hilbert spectrum of the original signal is obtained by summing up the Hilbert spectrum of all IMFs.)

垃圾投递集一款不错的游戏，游戏功能类似，但没有完成，只占很小的比例

基于MATLAB的带回溯线搜索的牛顿法求解算例。(A numerical example of Newton method with traceback search based on MATLAB is given.)

说明：  该资料为一款UPS电源设计资料，资料包括UPS电源原理讲解和参数计算，可以作为UPS学习的资料(This material is a UPS power supply design material, including UPS power supply principle explanation and parameter calculation, which can be used as UPS learning material)

适用于微小区的几何单反射椭圆模型的波达角、波达时间的代码(Code for the angle of arrival and the time of arrival of a geometric single reflection ellipse model in a microcell.)

国内某建材公司材料租赁管理系统的源代码，基于Delphi/SQLServer数据库，包括有SQL建库脚本，请手动在SQL查询分析器中创建数据库及数据表，然后修改代码测试连接。功能包括：基础设置、租赁管理、综合查询、帮助中心等。

说明：  用c++制作的一个重复点击控制台程序，可用于游戏自动点击、批量登录等操作(A repetitive click console program made with c++ can be used for automatic click, batch login and other operations of games.)