The primary objective of the QRD-M detector is to identify the candidate list. The QRD-M algorithm is a breadth-first tree search. It views all the branches it will ever consider for a given stage of the detection tree and then rejects all but t

解析西门子PP I协议, 便于开发人员研制、开发、集成控制系统, 针对该协议不公开的特点, 在串口通信技术的基础 上, 利用多串口监视的方法捕获协议并借助第三方成熟软件进行对比分析、协议测试。该方法成功地解决了如何获取S7-200 PPI 协 议的问题, 并在C++ Builder开发环境下成功研制了通信控件, 实现了其在测控系统的应用。-In order to analyze PPI pro tocol to make personnel easily research, develo