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此代码是用来绘制椭圆的，能够在matlab的编程环境下实现椭圆的绘制(This code is used to draw the ellipse, and able to achieve matlab programming environment to draw the ellipse)

求HHT的模态分解IMF的希尔波特黄变换程序。(the procedure to get the spectrum of imf of HHT)

可以进行离散信号与连续信号的卷积演示的界面，包括各种信号的演算，可展示结果。(Can be discrete convolution signal with a continuous signal interface presentation, including the calculation of various signals, display the results.)

用HOMER软件画出的某地区一年每小时的风速，将其导出为文本格式，可导入到MATLAB中供研究人员使用(HOMER software to draw a region with a year hourly wind speed, export it to a text format that can be imported into MATLAB for researchers)

artificial bee colony for eld

各种滤波器的设计，包括高斯低通滤波器。hilberrt带通滤波器，插值滤波器等等。(Various filter design, including Gaussian low-pass filter. hilberrt band-pass filter, the interpolation filter and so on.)

matlab常用函数大全，很有用，特别是初学者。(matlab full funtions，very useful for initial learners。)

美国数学建模2010年预防犯罪的代码，利用连续加权的方法，其中需要画圆这里可以很好的利用此程序(American Mathematical modeling of the code of crime prevention in 2010, using the continuous weighting method, which need to draw a circle where you can put to good use this procedure)

说明：  抛物线型拉格朗日内插滤波器的实现，MATLAB程序(Parabolic Lagrange interpolation filters are implemented, MATLAB program)

直升机气动系统参数辨识 (Helicopter pneumatic system parameter identification)