HeightMap

实现学生成绩管理，分姓名查找、分学号查找(Achieve student performance management, sub-name lookup, sub school Lookup)

一个很好的使用gdal读写影像的例子，程序中使用分块读写和多线程，支持海量数据的影像，方便大家使用(A good example of using gdal reading and writing images, program and use the block read and write multi-threaded, supporting massive image data, to facilitate the use)

访问市场上流行的德卡公司的接触非接触读卡器程序(Access to the market the company' s exposure to the popular de non-contact reader program)

这是一个电力系统谐波检测的MATLAB仿真模型，采用的是基于瞬时无功功率理论的pq法，效果很好(This is a power system harmonic detection MATLAB simulation model, based on the use of instantaneous reactive power theory pq method, the effect is very good)

这个是利用libnids进行HTTP数据包的分析，可以完整的还原HTTP数据包(This is the use of libnids HTTP packet analysis, you can completely restore the HTTP packet)

（1）员工各种信息的输入,包括员工的基本信息、学历信息、婚姻状况信息和职称等； （2）员工各种信息的修改； （3）对于转出、辞职、辞退、退休员工信息的删除； （4）按照一定的条件,查询,统计符合条件的员工信息； （5）至少应该包括每个员工详细信息的查询，按婚姻状况查询、学历查询、工作岗位查询等； （6）至少应该包括按学历、婚姻状况、岗位、参加工作时间等统计各自的员工信息； （7）对查询,统计的结果打印输出。 ((1) the importation of all kinds of information employees, including employees of the basic information, education information, marital status and title information, etc. (2) the staff changes all kinds of information (3) for the transfer, resignation, dismissal, retirement of employee information deleted (4) in accordance with certain conditions, query, statistics eligible employees (5) at least every employee should include details of inquiries, according to marital status inquiries, academic information, job inquiries, etc. (6) should include at least according to their academic qualifications, marital status, status, statistics, etc. to participate in the working hours of their employees (7) of the query, the results of statistical printout.)

说明：  复化梯形公式，数值计算。This the main application source file(Minute trapezoid formula, numerical calculation. This is the main application source file)

aes源码。加密的高级标准。。。。。。。。。。(aes)

semivariogram structure function ,it is about 2D semivariogram.

这段代码包括了基于STM32对简单小车的循迹壁障以及L298N的驱动。并对其中关键部分进行了注释。(This code includes a simple car-based STM32 tracking barrier and L298N driver. And one of the key parts of the notes.)