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Low-pass filter design method, teach you how to use it in MATLAB

快捷一键下单程序，通过键盘一个字母就可以完成下单(Quick click a single program, through the keyboard a letter can complete the order)

c源代码，大家看看了，我们经常用的１００　多个经典代码 -c source code, you see, we often use more than 100 classic code

输入栅格文件和掩膜矢量，进行批量裁剪.python的版本为2.7，需要导入arcpy模块(batch clip rasters under python2.7 programm)

用于ise和vivado的license(license for ise and vivado)

俄罗斯方块对战版VC源代码-screen version of Tetris VC source code

说明：  PCA基本思想，用于了解PCA其中的基本思想，代码中含注释(PCA basic ideas, used to understand the basic ideas of PCA, the code contains comments)

此程序用于加密图像，给出已有图像，将混沌序列与图像通过加密算法进行结合得到密文，再进行解密。(This program is used to encrypt the image, give the existing image, combine the chaotic sequence with the image through the encryption algorithm to obtain the ciphertext, and then decrypt it.)

说明：  一份关于数据挖掘的入门资料，进行了数据挖掘的基本介绍 还介绍了聚类，关联规则，决策树，神经网络(data mining, cluster, classification, Decision tree, Neural network)

基于密度的聚类算法 DBSCAN java-Density-based clustering algorithm DBSCAN java