在射频识别系统中，存在阅读器与多个标签同时通信的碰撞问题，标签的防碰撞算法是解决数据冲突的关键。文章详细阐述了已有的典型的二进制查询树的防碰撞算法，并在此基础上提出了一种新的防碰撞算法；该算法利用二时隙的方法，使阅读器的询问次数和标签识别所需的数据流大大减少，提高了标签的识别效 率。从仿真实验中表明，该算法比已有的二进制查询树算法具有更明显的优势。-In the radio frequency identification system, there is reader to communi

MATLAB仿真设计树形结构滤波器组 并将原来语音文件与滤波接收后的问价进行对比 能实现功能-MATLAB Simulation design tree structure filter bank and the original audio file and filter asking price after receiving comparison function can be realized

Fast Data Collection in Tree-Based Wireless Sensor Networks: how fast can information be collected from a wireless sensor network organized as tree? To address this, we explore and evaluate a number of different techniques using realistic simulat