matlab_program_3

多刚体动力学matlb编程 用辛方法 Fully vectorized n-body equation nbodyVect(x0,dx0,mus,t) integrates the n-body equations of motion using either a symplectic second order integrator, or any of the standard built-in or user supplied first order integrators. (Programming multi-body dynamics with symplectic methods matlb Fully vectorized n-body equation nbodyVect (x0, dx0, mus, t) integrates the n-body equations of motion using either a symplectic second order integrator, or any of the standard built-in or user supplied first order integrators.)

利用matlab进行主成分分析，有现成的代码和数据，主成分分析例子(Use of matlab for principal component analysis, have a ready-made code and data, principal component analysis example )

简单的光伏离并网问题，simulink仿真，采用pid控制。(Simple photovoltaic off grid problems, Simulink simulation, using PID control.)

各种信号预处理方法 导数 平滑 傅里叶变换等等(Derivatives of various signal preprocessing method Fourier transform, and so smooth)

Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.Model of SSSC which is used to compensate for the reactive power in transmission line.

均匀介质二维声波数值模拟，采用cerjan边界条件，有公式及参考文献。带有速度模型以及雷克子波函数，解压后直接运行就可以(The homogeneous medium two-dimensional acoustic wave numerical simulation, boundary conditions of cerjan, and formulas and references. With the velocity model and the the Ricker wave function, and can run directly after decompression)

改进的等维新息灰色模型，还有残差数列检验，后验差检验，模型精确好用。(Improved Innovation Gray Model，There are residual series test, posterior difference test, model accuracy easy to use. )

使用类似切比雪夫滤波器设计的方法得到切比雪夫窗，计算简单线阵方向图(Calculate simple linear array pattern similar Chebyshev filter design cut Chebyshev window)

本例利用C MEX及API文件实现matlab与PHD只见的通讯.能实现数据的存取。(MEX and C API documentation can be achieved with Matlab PHD seen communications. To achieve access to data.)

BLDCM仿真，包括BLDC本体模块、电流滞环控制模块、参考电流模块、速度控制模块等。。(BLDCM simulation, including BLDC body module, hysteresis current control module, reference currents module, the speed control module. ect.)