butterworth

XU等人做的关于GVF的小DEMO，里面比较了和传统蛇模型的不同之处以及GVF的优点，可以借此做些改进(XU and other people to do about the GVF small DEMO, which compared the traditional snake model and the differences as well as the advantages of GVF can be done to improve)

选择不同的滤波方式：低通、高通、带通及带阻，进行频谱分析。(Select a different filtering method: low pass, high pass, band pass and band stop, spectral analysis.)

matlab rgb2lab source code

一个拟合椭圆的程序，采用matlab编程，利用均值误差作为代价函数。(A fitting elliptical procedures, the use of matlab programming, using the mean error as the cost function.)

说明：  风力发电机组并网潮流计算；并网对大电网的影响；前腿迭代(Wind power machine combine net current calculation)

in this file is distributed system in two case

GSM中GMSK调制信号的产生，一种噪声辅助数据分析方法,包括回归分析和概率统计。( GSM is GMSK modulation signal generation, A noise auxiliary data analysis method, Including regression analysis and probability and statistics.)

说明：  用matlab编写的程序，实现区域的分裂和合并，并带有图像(Matlab prepared using the procedures of the division and regional merger with images)

说明：  一般最小二乘及其递归算法的例子及matlab代码(Least squares examples and matlab code)

matlab初学者可以看一看，可以对matlab编程有初步了解。(Matlab beginners can take a look at a preliminary understanding of the matlab programming.)