power_pwm

types of mask useful in image processing

说明：  析了变速恒频双馈风力发电系统的工作原理。结合风力机特性和双馈发电机特性，说明了变速恒频运行方式下的最优风能捕获策略，并介绍了风力发电系统的滑模变结构控制、自适应控制、鲁棒控制和人工神经网络控制。总结了变速恒频风力发电系统的发展趋势。(Analysis of a Variable Speed Constant Frequency Wind Power Generation System works. Combination of wind turbine characteristics and the characteristics of doubly-fed generator, variable speed constant frequency shows the optimal operating mode to capture wind energy strategy, and introduced wind power generation system with variable structure control, adaptive control, robust control and artificial neural networks control. Summarizes the VSCF wind power system trends.)

Hespanha混杂系统模拟仿真教程的Matlab算例4(Matlab example 4 Simulation of hybrid systems (Hespanha))

System Identification Toolbox

本算法程序基于实测汽轮机振动信号进行了测试及性能分析。理论分析及仿真结果表明，AR模型谱估计算法在阶次合适的情况下，能够取得较好的方差及分辨力性能，适合于振动信号的功率谱估计，且AIC准则为确定合理的模型阶次提供了有效依据。(This algorithm based on the measured turbine vibration signal testing and performance analysis. Theoretical analysis and simulation results show that, AR model spectrum estimation algorithm in appropriate circumstances the order, the variance can achieve better performance and resolution, suitable for vibration signal power spectrum estimation, and the AIC criterion to determine a reasonable model order provides an effective basis.)

由2个麦克风组成的麦克风阵列，画出它的方向图(Microphone arrays of the two microphones, shown in Fig its direction)

可以用于通信的信道编码，为FOUNTAIN码的原型码，非常实用，效果不错。(Can be used for communication, channel coding, the prototype code for the FOUNTAIN code, very useful, good results.)

说明：  一个关于傅里叶变换的学习课件，本人自己制作，课题组内部学习使用。(A study on the Fourier transform of the courseware, I produce their own, learning to use the internal research group.)

说明：  基于SVPWM技术的永磁同步电机仿真模型(SVPWM technique based on simulation model of permanent magnet synchronous motor)

用matlab编程计算积分，包括梯形算法，龙贝格算法，高斯算法，通过具体案例得到最终结果(Calculation of integrals with MATLAB programming, including trapezoidal algorithm, Romberg algorithm, Gauss algorithm, the final results are obtained through the concrete case)