欧拉方法和拉格朗日方法

飞行器上升段航迹优化问题，采用DIDO工具箱进行全弹道轨迹优化(DIDO toolbox is used to optimize the whole trajectory of aircraft in ascent phase)

齿轮系统非线性动力学模型和动力学求解 齿轮非线性动力学研究(Nonlinear dynamic model and dynamics of gear system for solving nonlinear dynamics of gears)

说明：  在matlab中将upfc应用到实际的电力系统中(In matlab, upfc was applied to the actual power system)

说明：  生成雷达信号、并用生成的雷达信号进行分选、是真正可以在实际状况中使用的代码(Generating radar signals and sorting them with the generated radar signals are really codes that can be used in real situations.)

一个关于网站权限管理的经典例子,适合初学者-On the Web site of the classic examples of rights management, suitable for beginners

cmod5 python code has been used in python to find out wind speed

实现频率测量，一个是用DSP28335实现测量，一个是用stc89c52实现频率测量。(To achieve frequency measurement, one is to use DSP 28335 to achieve measurement, and the other is to use STC89C52 to achieve frequency measurement.)

dds->9954的pcb供大家参考,这个扳子我调通了的可以放心开办-dds-

说明：  超声换能器阵元的延时，可根据具体阵元进行相对于的计算(Transducer element delay)

建立船舶的3自由度mmg模型，完成船舶的冲程，转向等功能(The 3 degree of freedom MMG model of ship is established to complete the functions of stroke and steering.)