noise_calculation

锁相环matlab实现，可提取并网逆变器网测电压相位。(PLL based on matlab,extraction of voltage phase in grid connected inverters.)

说明：  Ansys workbench12热分析，ANSYS入门学习资料(ANSYS learning materials)

说明：  在分隔器窗格中切换视图 (switch view in separators pane)

雷达方程的总结，包含各种形式的雷达方程MATLAB实现，是学习的好帮手，帮助理解(Radar equation summary, including various forms of radar equation MATLAB implementation, is a good helper to learn, to help understand)

说明：  用matlab实现电力系统的状态估计功能，很有实用性。(matlab-Power system state estimation)

基于Kubo公式，计算石墨烯的电导率和石墨烯的表面阻抗，包含两个独立文件(The conductivity and the surface impedance of graphene is calculated based on Kubo formula.)

程序讨论电力系统的多目标优化问题，内含多个仿真程序(The program discusses multi-objective optimization of power systems and includes multiple simulation programs)

FLAC3D软件生成球状模型的代码，采用fish语言(FLAC3D software generates the code of spherical model using fish language)

说明：  利用MATLAB/Simulink搭建的三电平逆变器仿真电路，利用模型预测控制方法进行控制，可以实现中点点位平衡，对研究模型预测控制有一定学习作用。(The simulation circuit of three-level inverter built by MATLAB/Simulink and the control by model predictive control method can realize the balance of mid-point and point, which has a certain learning effect on the study of model predictive control.)

说明：  ABAQUS材料本构的二次开发讲解，详细说明。(Introduction to the secondary development of ABAQUS material constitutions.)