8922_Mathematica7_tutorial

matlab 实验，这是上课的实验，有基本应用，适合信号。通信专业初学者入门使用( MATLAB exercises,are suit for students whose majors are signal processing ang communication)

计算了半无限大压电铌酸锂半空间中Rayleigh波的传播速度(Calculate the semi-infinite half space piezoelectric lithium niobate Rayleigh wave propagation velocity)

三相锁相环和dq变换，用于电力系统中的网络同步(Phase locked loop and dq transform for power system network synchronization)

用FIR数字滤波器实现对数字信号的滤波,使设计带阻滤波器，计算相位延迟并绘制滤波后波形序列(FIR digital filter realized with digital signal filtering, band stop filter to design, calculate and draw the filtered phase delay waveform sequence)

绘制等值线Matlab程序，可以实现绘制功能，比较初级，但是觉得很重要所以上传(Contour drawing)

DK-SVD，CVPR文章 Discriminative K-SVD dictionary learning for face recognition 源码，效果好于原始SRC(DK-SVD，the source code of CVPR paper Discriminative K-SVD dictionary learning for face recognition, its has a better performance than the classical SRC classifier )

all types of FIR filters.. focused mainly on window method

固定长度winnow译码程序，使用汉明编码进行误码协商，确保通信双方信息一致(Fixed length winnow decoding program that uses Hamming coding error consultations to ensure that information is consistent communicating parties)

用 matlab 寫的指紋辨識，有需要的下載去研究(Matlab write with fingerprint recognition, there is a need to download to study)

and uD as described in section 4 together with the discrete space. The main . The proposed Matlab program employs th