principal-component-anlisys

说明：  此为频偏校正程序,通过TD_GG算法得到的频偏值还存在几赫兹的残余频偏，这里，我们可以通过反馈算法进行校正，以得到更加精确的频偏值。(for this frequency offset correction procedure for the adoption of the algorithm TD_GG Frequency values still exist remnants of a few hertz frequency offset, here, we can pass feedback correction algorithm, to be more precise frequency offset value.)

给出卫星适当的初始位置和速度，利用其运动微分方程，求出2－3个周期内的轨道，并画出机械能和动量矩的大小随时间变化的曲线。(Given appropriate initial satellite position and velocity, using the equations of motion, find the 2-3 cycle track, and draw mechanical energy and angular momentum of the size of the curve over time.)

详细描述了对模糊控制工具箱的介绍以及如何用matlab的模糊控制工具箱(A detailed description of the introduction of fuzzy control toolbox and how to use fuzzy control toolbox matlab)

说明：  BP神经网络实现数据分类，实现语音特征信号的分类(BP network realize voice feature classification )

a bc converter alpha be to dq

有限元计算程序。三角形线性元的有限元计算程序。练习使用。(Finite element program.Triangular linear finite element computer program. Practice using.)

准源级联多电平光伏逆变器控制方法的研究 (In order to solve the problem of unreliability of wind generation system under rigorous environmen)

《精通MATLAB综合辅导与指南》里面的例程(" Comprehensive Counseling and proficient in MATLAB Guide" inside the routine)

基于matlab的灰色预测的代码大全，能够实现不同的灰度预测结果，有利于初学者对灰度预测的把握，有利于学习练习和应用(Different gray forecast results can be achieved based on gray prediction matlab code Daquan, help beginners grasp grayscale forecast is conducive to learning exercises and applications)

DC motor selection via torque calculation