DS_CDMA

有源滤波器的应用及分析，国内外研究现状。(Active filter applications, and analysis of research status.)

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先随机找寻一个合理的初始划分，然后试探将样本从一个群搬到另一个群，如果某次搬动能使准则函数值得到改进的话，则继续搬运，否则废除本次搬运，再继续其他搬运。(Randomly and find a reasonable initial division, and then test the sample from a group of moving to another group, if a move can make the criterion function is worth to improve, it continues to handling, otherwise the abolition of the handling, continue to other handling.)

对于PCA的学习很有用一份资料，上面还包含matlab程序。(Learn useful for the PCA to a data above also contains matlab program.)

how to build a calculator in Mac and Windows

多用户OFDM系统的子载波分配算法参考论文(Subcarrier allocation algorithm for multi-user OFDM system)

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gcopt of 17 in reliability test system

说明：  利用Esprit算法进行TOA估计，可用于无线传感器网络节点定位(TOA estimation by Esprit algorithm for wireless sensor network node localization)