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matlab中细化谱的示例程序，操作简单，可直接复制，便于调用。(Zoom Spectrum in matlab sample program, simple operation, can be directly copied, easy call.)

this is a code to calculate the moment invariant of images. the values which come out are capable of removing rotational, scaling, transnational variation in image given as input.classification can be done with the help of it.

this program implement a svd_dwt watermarking alghorithm

用16C62写的汽车防盗器程序，自动防盗，锁定汽车的油路电路(with 16C62 written procedures for vehicle anti-theft device, automatic anti-theft, motor vehicle lock on the asphalt circuit)

The C Standard Library 英文版(The C Standard Library)

Precision analysis of GPS_BDS baseline solution

This is a matlab code for scalart algorithm implementation (noise straction)

Bifurcation Digram of Ikeda map

用Matlab语言编写的基于遗传算法求解TSP问题的程序(Written in Matlab genetic algorithm-based procedure for TSP)

Welch method of spectral estimation.