nrf2401的驱动，c++编写，编译无错，可用于无线通信的开发

对125KHZ低频卡读ID号，如T5557卡(Read ID number for 125KHZ low frequency card)

UHF读写器读写器简介 本产品具有多协议兼容、体积小、读取速率快、多标签识读、圆极化天线对标签没有方向限制、防水型外观设计等优点，可广泛的应用于各种RFID系统中，典型的应用场合有：  (UHF reader reader Introduction The product is compatible with multi-protocol, small volume, read rate, and multi-tag read, circularly polarized antenna on the label does not limit the direction, waterproof design, etc., can be widely used in a variety of RFID systems, typical applications are:  )

说明：  RFID读写器，可对RFID标签进行读写，实时获取RFID信息(RFID reader can read and write RFID tags and obtain RFID information in real)

this file can explain how to coding rfid in c (rfid tutorial)

无线环境中，手机、计算机等接入信道的mac层协议-At wireless radio environment,handphone、computor use mac potocol to access chanel.

MIFARE DESFire EV1 contactless multi-application IC

RFID复杂事件处理系统的研究实验，性能上做优化用公共子表达式，限制条件变换等方面-RFID complex event processing system for experiments done to optimize performance using common subexpression, restrictions, etc. Transform

基于RFID的资产管理系统，使用C#语言，低频RFID模块

维格纳-威尔分布三维图面图，跳频信号的stft，跳频信号的维格纳-威尔分布的频谱图(Wigner- Will the distribution of three-dimensional surface maps, frequency hopping signal stft, frequency hopping signal Wigner- Will the distribution of spectrum)

天线设计的基本理论介绍。有利于RFID天线设计。(Introduced the basic theory of antenna design. Conducive to RFID antenna design.)