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数字信号频域处理的matlab源程序，包括dct，butterworth，lowpass等(Frequency-domain digital signal processing matlab source, including dct, butterworth, lowpass, etc.)

用于cml860芯片收发DTMF和FSK信号(Cml860 for DTMF and FSK transceiver chip signal)

说明：  在matlab中实现共轭梯度算法，它的基本思想是在共轭方向法和最速下降法之间建立某种联系，以求得到一个既有效又有较好收敛性的算法(based on matlab to realize arithmetic of conjugate grads)

Recusive Drawing for a star, it depends on the angle between the edged of the star, also the user sets to witch level he wants the star to be recusivly drawn.

刘老师的变结构控制，修改了符号函数，解决了抖振问题。( Variable Structure Control , modify the symbolic function to solve the chattering problem.)

matlab的FDATOOL工具设计的50Hz陷波器，可用于心电图中工频干扰的消除(50 hz notch filter designed by FDATOOL tool in Matlab which can be used for eliminationing the power-interference of ECG)

matlab code for image segmentation using a new method multivariate technique

adpcm codification matlab code

Scalp EA, very classic and practical, like friends can be learn about

this tutorial will help beginners in the radar image processing. The programs are arranged in form of the chapters. all the best.