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关于QPSK调制的仿真，再Matlab中间但实现QPSK的调制。(QPSK modulation on the simulation, and then between Matlab but realize QPSK modulation.)

说明：  用matlab自带的GUI界面设计了一个成绩管理界面，可进行成绩的载入、查询、绘图、求平均分和存储！可直接用！ (Matlab GUI interface that comes with the design of a performance management interface, the results of the load, query, plot, find the average and store! Can be used directly!)

说明：  在MATLAB下实现各种数字滤波，包括中值滤波，均值滤波等(MATLAB image processing)

chapter 3 m files they are usefull for analising simple routines

说明：  最小二乘拟合的c++实现，使用差分，在matlab中设置c++编译器为vc++2005或以上，运行test.m即可(Least-squares fit in c++ set compiler as vc++ in matlab then run test.m )

根据sift算法经典文章得到的matlab算法程序，可以直接运行。(According to the the sift algorithm classic article Matlab algorithm can be run directly.)

Student Management System

详细的介绍了信号处理过程中的matlab应用，适合初学者学习(Described in detail in the matlab signal processing applications, suitable for beginners to learn)

removing after shocks in earthquake catalouge

PCA - SIFT matlab source code