级联动下拉框

一款基于HTML5 Canvas的发光Loading加载动画特效。Loading旋转图标是在canvas画布上绘制的，整个loading动画是发光3D的视觉效果，HTML5非常强大。(A lighting Loading loading animation effect based on HTML5 Canvas. Loading rotation icons are drawn on canvas canvas canvas, the entire loading animation is a luminous 3D visual effect, HTML5 is very powerful.)

说明：  FRFT相关的各种MATLAB代码：分数阶傅里叶变换计算方面的文章，另附程序清单。(The zip contains articles on the calculation of fractional Fourier transform and a list of programs.)

该代码是基于Ｓ３Ｃ４４Ｂ０的键盘测试代码 该代码采用查询的方式来检测由外部产生的键盘信号．-The code is based on the keyboard S3C44B0 test code using the code the way to inquiries by external detection the keyboard signal.

内含24点游戏，飞机订票系统和火车信息查询系统以及课设论文，注释非常详细，相信对学-intron 24-point game, the aircraft booking system and trains and the Information Systems Office located thesis, Notes is very detailed, I believe for school

光伏蓄电池的仿真模型，有点问题，但是能用在微电网中(PV battery simulation model, a little problem, but can be used in microgrid)

对于逆流操作的填料吸收塔，求填料吸收塔的总传质单元数(Total mass transfer unit number of packed absorber)

BTRA automatic gearbox read

654684313216846123168

通过对MIDI信号的解码及实时音符显示实现，让用户清楚的了解过程(By decoding the MIDI signal and displaying the real-time note, the user can get a clear understanding of the process)

用于在matlab上计算电离层的电磁场参数(The parameters of the electromagnetic field used to calculate the ionosphere)