djd

根据给定的实验系统的参数，对采用诱骗态方案的BB84系统进行仿真，得到在不同光纤传输距离下，系统安全密钥生成率R(According to the parameters of the experimental system, the BB84 system with decoy scheme is simulated, and the system security key generation rate R is obtained under different fiber transmission distance)

说明：  蚁群算法用来函数寻优，本代码给出了通用版本，能够很好的适应和学习(Ant colony algorithm is used to function optimization, this code gives a general version, can adapt and learn well)

高频高压开关电源，采用LLC软开关技术，多用于静电除尘领域(high frequency high voltage switch power supply)

说明：  用MACCORMACK方法求解一维LAVAL管亚音速流动(solve one dimensional laval tube with the method in maccormack)

UPFC模型，模型非常详细和系统，有助于理解潮流控制器(UPFC model, which is very detailed and systematic, helps to understand power flow controllers)

说明：  两个基于ANSYS平台的谱分析例子的命令流(Two command streams based on ANSYS platform for spectrum analysis)

说明：  这是一个机器人轨迹跟踪控制的程序，应用的控制算法为滑模控制。(This is a robot trajectory tracking control program, the application of the control algorithm for sliding mode control.)

说明：  关于极限学习机的回归拟合，还有分类的实例程序(On the regression fitting of the limit learning machine and the example program of classification)

光伏仿真模型和boost-buck模型，适合做微网或者交直流微网的学者研究(Photovoltaic simulation models and boost-buck models are suitable for microgrid or AC-DC microgrid researchers.)

本文首先分析了永磁同步电机矢量控制的发展概况，然后从机电能量转换的角度出发，解释三相永磁同步电机的机电能量转换原理，推导拉格朗日运动方程。此外，列写出永磁同步电机在三相静止坐标系和dq坐标系下的数学模型。基于Simulink建立了转速电流双闭环矢量控制系统的仿真模型，通过对仿真结果分析，验证了永磁同步电机矢量控制系统性能的优越性。(This paper first analyzes the development of permanent magnet synchronous motor vector control, and then explains the electromechanical energy conversion principle of three-phase permanent magnet synchronous motor from the perspective of electromechanical energy conversion, and deduce the Lagrange motion equation. In addition, the mathematical model of permanent magnet synchronous motor (PMSM) in three phase stationary coordinate system and dq coordinate system is listed. Based on Simulink, a simulation model of speed and current double closed loop vector control system is established. By analyzing the simulation results, the performance of PMSM vector control system is verified.)