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说明：  对FDDL算法进行简化后得simplified FDDL算法(Simplified FDDL algorithm based on FDDL algorithm)

说明：  空间信号的波达方向（Direction of Arrival，简称DOA）估计作为阵列信号处理研究的一个主要课题，在近些年来越来越得到大量的关注和研究。它可实现对空间中信源信号的准确的角度估计，实现信源方位等参数的具体精确检测，并且还具有很高的分辨力。这些特性使得DOA估计在声呐、通信及雷达等多种领域具有广阔的应用和发展前景。此程序为经典doa估计方法esprit算法。(direction of arrival,usually called DOA,has been an important subject recently.This program contains esprit)

一个房产中介网站的代码，解压缩后即可使用-A full source code of housing agency web site,it can be used after decompression.

空间数据的查询和对查询出来的数据进行统计分析与可视化处理，对空间要素进行分析和统计(The query of spatial data and the statistical analysis and visualization of the queried data are processed. The spatial elements are analyzed and statistically analyzed.)

SIM800L_硬件设计手册_V1.1.pdf(SIM800L_Hardware Design Manual_V1.1.pdf)

file tokenizar in php simple program for indexing files

最优化函数集,包括线性规划,非线性规划,带约束优化问题等(Optimization function sets, including linear programming, nonlinear programming, constrained optimization problems, etc)

说明：  用VC++开发了一个数控加工的三维仿真程序，能有效仿真加工过程。(With VC++ Developed a three-dimensional simulation of NC machining process simulation can effectively process.)

程序完全开源，无加密，无期限，无域名绑定。除了之前人能见的小错误修复之外：增加修复了最新齐博后台上传拿SHELL漏洞增加修复了最新齐博遍历目录任意删文件漏洞注意：对于多城市版并且使用的是IIS服务器，同时想使用多城市二级域名与商铺三级域名的话，请把/home/bak/目录下的3个PHP文件移到根目录，然后在IIS上添加一个空主机头绑定到根目录（IIS只能设置一个空主机头），同时还要添加hy.php为默认主页，并且优先级要高于index.php才可！(The program is completely open source, no encryption, no deadline, no domain name binding. In addition to the minor bug fixes that have been seen before: an increase in the repair of the latest flush backstage upload SHELL vulnerability to the latest Qi Bo traversal directory arbitrary deletion note: for the multi city version and the use of the IIS server, and want to use the multi city two domain name and the shop three domain name, please /home/ The 3 PHP files in the bak/ directory are moved to the root directory, then a null host header is added to the root directory on the IIS (IIS can only set an empty host head), and hy.php is added as the default home page, and the priority is higher than index.php!)

VB实现三维模型渲染程序，纯VB代码实现，没有用到第三方支持库，编译后即可看到三维空间线段和茶壶三维旋转变化效果，透视感极强，看上去挺不错。