EKF-python code

分数重载，实现分数的加减乘除运算，实现分数重载(The heavey fraction,add,subtract,multipy and divide operations)

《14天学会安卓开发》，这是一本简单易懂的安卓开发教程，让你能够快速入门(This is a straightforward Android development tutorial, so you can QuickStart)

应用龙格库塔法，解决迫击炮的弹道轨迹，可以调节道道的角度，有图片展示。(Using the Runge Kutta method to solve the trajectory of the mortar, the angle of the road can be adjusted and the picture can be displayed.)

dsp函数信号发生器函数信号发生器设计与DSP实现(dsp hanshuxinhaofashengqi)

具有图形接口，连接到数据库和一家兽医诊所的 MVC 模式的系统。该系统集成与名为"vaccinare"的数据库。具有创建表和各自领域的文件是在文件中。

制作pcoa、饼图、venn图、热图、柱状图的脚本，可直接改参数使用，内有注释，适用于微生物多样性(the Script to make PCOA)

The php source code of a complete set of game servers is worth reading though it is confused.

人体生命曲线 根据科学理论，每个人都有一个生物钟，生物钟的运动直接影响到人的智力、体力和情绪的变化，三者呈正弦曲线分布，并且按各自不同的周期运动。正确掌握自己的生物钟，把握好自己智力 、体力和情绪的最佳状态，将有助于您的工作、学习和健康。-human life curve based on scientific theory, each person has a biological clock, the circadian clock directly affect the movement of the intellectual, physical and emotional changes, the three were sinusoidal curve distribution, in accordance with their respective campaign cycle. Correct use of the biological clock, a good grasp of their intellectual, physical and emotional best, will help your work, learning and health.

说明：  emd源程序及一些改进的EMD去噪程序，可运行，对EMD去噪具有很好的借鉴性。(The EMD source program and some improved EMD denoising programs can be operated, which has a good reference for EMD denoising.)

说明：  一款很好的远控源码。非常稳定，值得大家研究开发。(A good remote control source code. It is very stable, and it is worthy of research and development.)