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S函数编写的自抗扰控制器，已经试验过，没有问题(ADRC controller is written by S function, it has been tested and there is no problem.)

改进的归一化LMS算法文章，即改进的NLMS论文(Improved normalized LMS algorithm article, that paper improved NLMS)

PSO-bp-MATLAB 4565467yty

Encoding & Decoding of message seq using (n,k) Systematic Linear Block Code.

说明：  运用Newmark-β法进行单自由度体系的时程响应分析(Time history response analysis of single degree of freedom system by Newmark(time domain) method)

双二进制信号是一种信号体制利用码间干扰作为一种控制方式而不是消除码间干扰(Duobinary signaling is a three level signaling scheme that uses intersymbol interference in a controlled way instead of trying to eliminate it. )

利用matlab解决图形转换问题，代码可直接运行(Graphics conversion problem solving using matlab, the code can be run directly)

finds the left end of the interval containing a point and valuates the exact solution for 1D finite element.

说明：  在matlab上实现图像同二维直角坐标系转化为极坐标秒的算法.(In matlab to achieve images with two-dimensional Cartesian coordinate system into polar coordinates algorithm seconds.)

Speeded Up Robust Features (SURF) SURF (Speeded Up Robust Features) is a robust local feature detector invariant to scale rotation and illumination similaire to SIFT Scale Invariant Feature Transform