hexian

说明：  基于L*a*b空间的色彩分割。根据样本区域的颜色对图像进行分割。(based on the l*a*b space to cut the picture)

说明：  matlabBFGS程序 呵呵 呵额呵呵呵呵呵呵额(procedures matlabBFGS呵呵呵呵呵呵呵呵呵the amount of the amount of)

本程序是利用单端电气量依据行波原理实现故障测距的程序，需要较高的采样率以提高精度。(This procedure uses traveling wave principle of the single-terminal electrical information in accordance with the procedure of fault location, it requires a higher sampling rate in order to improve accuracy.)

THESE ARE THE POWER ELECTRONIC MODELS

追赶法求解，可以直接调用，抛物方程紧差分(Chasing method can be called directly)

说明：  一种通用的光伏电池模型，可对比不同温度、光照强度下的光伏电池输出(A general photovoltaic cell model, which can compare the output of photovoltaic cells under different temperature and light intensity)

Analyze multiple user interference based Standard Gaussian Approximation (SGA) model and packets collision (PC) model in IRUWB wireless communication system.

about fourier transform, get audio signal from mic and analyze it

矢量控制是目前交流电机的先进控制方式，一般将含有矢量变换的交流电机控制都称 之为矢量控制，实际上只有建立在等效直流机模型上，并按转子磁场准确定向的控制，电机才能获得最优的动态性能。 矢量控制的基本思路是以产生相同的旋转磁动势为准则，将异步电机在静止三相坐标系上的定子交流电流通过坐标变换等效成同步旋转坐标系上的直流电流，分别加以控制，以达到直流电机的控制效果。(Vector control is an advanced control method of AC motor at present. Generally, vector control is called vector control. In fact, only based on the equivalent DC motor model and accurately oriented control according to the rotor magnetic field, can the motor obtain the optimal dynamic performance. The basic idea of vector control is to generate the same rotating magnetomotive force as the criterion. The stator AC current of asynchronous motor in the static three-phase coordinate system is converted into DC current in the synchronous rotating coordinate system by coordinate transformation, and then controlled separately to achieve the control effect of DC motor.)

Fibonacci数列，已知一个Fibonacci数，能求出它的N值(Where Fibonacci sequence, a number of known where Fibonacci, can find its N)