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SAR ADC design document

说明：  PLC控制变频调速电梯控制系统源程序，可以增加任意楼层数、支持电梯的并联、群控控制。(PLC control VVVF elevator control system source program, can increase the number of any floor, support the elevator parallel, group control control.)

局域网聊天系统服务端，局域网聊天系统服务端，局域网聊天系统服务端(LAN server chat system, local area network server chat system, local area network server chat system)

leon3 patch for altera ep1c20 FPGA.

K-means算法是基于划分的思想，因此算法易于理解且实现方法简单易行，但需要人工选择初始的聚类数目即算法是带参数的。类的数目确定往往非常复杂和具有不确定性，因此需要专业的知识和行业经验才能较好的确定。而且因为初始聚类中心的选择是随机的，因此会造成部分初始聚类中心相似或者处于数据边缘，造成算法的迭代次数明显增加，甚至会因为个别数据而造成聚类失败的现象。(K-means algorithm is based on the idea of partitioning, so the algorithm is easy to understand and the implementation method is simple and feasible, but it requires manual selection of the initial number of clusters, that is, the algorithm is with parameters. The number of classes is often very complex and uncertain, so professional knowledge and industry experience are needed to better determine. Moreover, because the selection of initial clustering centers is random, some initial clustering centers will be similar or at the edge of data, resulting in a significant increase in the number of iterations of the algorithm, and even the phenomenon of clustering failure due to individual data.)

直接数字频率合成器中相位累加杂散，幅度量化杂散及DAC非线性杂散的功率谱密度曲线频谱图(Direct digital frequency synthesizer spurious accumulation phase, amplitude quantization spurious and non-linear DAC spurious power spectral density curve of the spectrum graph)

说明：  matlab中实现雷达信号处理，其中包括对信号的简单处理等(Radar signal processing is realized in MATLAB, including simple signal processing)

一款J2ME手机游戏编写的入门级的程序，非常简单，却是J2ME手机游戏的初始程序框架。-err

PHM2017数据 用于验证PHM算法。(PHM2017 data is used to verify PHM algorithm.)

路径搜索c++算法实现-Path Search Algorithm