登录
首页 » C51 » NFC3

NFC3

于 2016-06-26 发布 文件大小:215KB
0 355
下载积分: 1 下载次数: 5

代码说明:

  NFC协议第三部分,描述了NFC tag 2 通讯协议(NFC protocol third part describes the communication protocol NFC tag 3)

文件列表:

NFC Forum Type 3 Tag Operation Specification 1.1.pdf,516432,2013-12-04

下载说明:请别用迅雷下载,失败请重下,重下不扣分!

发表评论

0 个回复

  • num
    通信系统中常用的号码分析文档,非常实用,且好理解。(Communication system frequently used phone numbers of documents, very practical, and easy to understand.)
    2020-11-20 21:39:37下载
    积分:1
  • 05441004
    Multiple input multiple output techniques combined with orthogonal frequency division multiplexing (MIMO-OFDM) provide a promising approach for wireless systems. However, a serious drawback of the OFDM system is the high peak-toaverage power ratio (PAPR), which may severely affect the power efficiency of RF power amplifiers. In this paper, we propose a simple method to reduce the PAPR of MIMO-OFDM signals based on the use of unused subcarriers. Instead of processing the signals at each transmitter separately, a peak cancelling signal is generated at one antenna and is then applied to all the others with only simple modifications. Simulation has shown that a minimum 2 dB reduction in PAPR can be achieved for all transmit signals using this approach. As the signal processing is nearly all done at a single transmitter, repetition of the operations at each transmitter is avoided, and therefore the overall cost of the system can be significantly reduced.
    2011-11-05 01:46:42下载
    积分:1
  • algebra-code-for-communication
    代数编码纠错编码的经典书籍Richard_E._Blahut(error control code and algebra code;Richard_E._Blahut)
    2012-02-20 16:14:54下载
    积分:1
  • TQ2440
    本文系统的介绍了TQ2440开发板相关知识,对这方面的读者很有作用。(This article describes the system development board TQ2440 knowledge, useful in this respect the role of the reader.)
    2010-01-29 19:52:52下载
    积分:1
  • HCF-Spec127-(Universal-Command-Specification)
    HART Communication Foundation - Universal Command Specification
    2020-11-20 14:39:36下载
    积分:1
  • 00786a_Driving-MOSFET-in-High-Current--Switch-Mod
    Driving MOSFET in High-Current, Switch Mode Regulators
    2013-12-23 20:13:07下载
    积分:1
  • 802.16标准
    802.16E的协议文档,完整版本。其中包括3个版本。(802.16E protocol document, full version.)
    2020-06-19 02:40:01下载
    积分:1
  • 31175278moulationclassification
    主要是实现调制识别,区分几种常用的数字调制信号。含有两个文件夹 其一为特征参数的仿真;其二为正确识别率的仿真。文件夹key feature simulink中: 运行程序会得到各特征参数之间区分图 从图中可看到特征参数的有效性,见图。 文件夹classification rate simulink中:运行main.m文件 可以得到正确识别率 见图。(It is mainly to realize modulation recognition and distinguish several commonly used digital modulation signals. The simulation of two folders is one of the characteristic parameters, and the second is the simulation of the correct recognition rate. In the folder key feature Simulink: The running program will get the validity of the feature parameters that can be seen from the diagram, as shown in the diagram. Folder classification rate Simulink: running the main.m file can get the correct recognition rate.)
    2018-01-21 11:02:43下载
    积分:1
  • PELCO-pd
    说明:   ()
    2007-03-28 10:47:16下载
    积分:1
  • John-Wiley-a-Sons---IP-Based-Next-Generation-Wire
    John Wiley & Sons - IP-Based Next-Generation Wireless Networks
    2012-03-16 22:16:27下载
    积分:1
  • 696516资源总数
  • 106914会员总数
  • 0今日下载