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基于matlab的无刷直流电机仿真速度PI，电流PI双闭环仿真(Matlab-based simulation of brushless DC motor, using speed PI, current PI double closed loop control.)

基2 fft 的c++实现，改自matlab。(fft)

用牛顿迭代法求方程 f(x)=x³ -x² -1=0 在x。=1.5附近的一个实根。取§=0.000001，取最大迭代数为60. (With Newton iteration equation for f (x) = x ³-x ² -1 = 0 in x. = 1.5 near the root of a real. Take § = 0.000001, take the largest number of 60 iterations.)

不用音乐播放控件，使用别的方法播放音乐。功能不全。(Do not have music player controls, the use of other means to play music. Insufficiency.)

说明：  电力系统负荷预测研究综述与发展方向的探讨(Review of Power System Load Forecasting and the development of)

潮流计算的好程序，c++，潮流计算的好程序，c++(Good program flow calculation, c++)

使用WIN-TC编写一个程序，实现数值积分。用复化梯形方法、复化Simpson方法、变步长梯形方法、变步长Simpson方法编程求解积分值。(Using WIN-TC to write a program to achieve numerical integration. Compound trapezoid method used, the complex method of Simpson, variable step trapezoidal method, Simpson variable step method for solving integral value programming.)

等半径泊车方法仿真代码，实现等半径泊车算法的仿真，车辆参数如车长、车宽、转弯半径以及车位参数如长度、宽度均可调。(Simulation code radius ranging from parking way a radius ranging from parking the simulation algorithm, vehicle parameters such as vehicle length, vehicle width, turning radius and parking parameters such as length, width can be adjusted.)

MIT-BIH心电数据库中包含有大量的心电信号，用户可以直接下载这些信号用于信号分析，算法验证等。但是其数据存储格式复杂，只能用其提供的工具包进行读取，很不方便。本源码可以直接读取MIT-BIH中的format212和format16格式的心电数据，免去了学习其繁琐工具包的过程。(MIT-BIH ECG database contains a large number of ECG signals, users can directly download these signals used in signal analysis, verification algorithm. However, the complexity of its data storage format, can only provide a toolkit to read, very inconvenient. The source can be directly read the MIT-BIH in format212 and format16 ECG data format, which eliminates the cumbersome tool kit to learn their process.)

通过对输入ISBN进行演算.从而得出其真伪信息(Input to calculations by ISBN. To arrive at the authenticity of the information)