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cgpscyl
从GPS产业链动荡看便携式导航技术的发展——相当不错的一篇文章,希望对您有所(From the turmoil in the industry chain to see a portable GPS navigation technology for development- a fairly good article, hope you find this)
- 2010-01-28 15:57:23下载
- 积分:1
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stream-forming
这个是波束赋形的介绍资料,非常详细,适合最信号处理(尤其是天线信号处理)的战友(my god. it is stream forming resource..)
- 2012-05-18 11:39:45下载
- 积分:1
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11
说明: 导航地图数据模型研究现状与趋势(Navigation Map Data Model Status and Trends)
- 2008-10-27 16:38:10下载
- 积分:1
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masspaper8
Agent-based modeling and simulation of multiproject scheduling
- 2020-07-04 10:40:02下载
- 积分:1
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survice111
说明: 面向主动服务模式的政务智能系统框架研究,很好的东西,请您审一下,(active service-oriented model of the Chief Intelligence Framework, the good things you about the trial, huh)
- 2006-03-22 22:32:44下载
- 积分:1
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sanjiaoxing
说明: 在VC++环境下,机器人走三角形的程序,希望有需要的下载(In VC++ Environment, the robot follow the procedures for the triangle, I hope there is a need to download)
- 2008-11-26 19:58:32下载
- 积分:1
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CCSDS
CCSDS建议在深空通信导航中的应用研究(CCSDS recommendations in deep space communications and navigation)
- 2013-03-12 16:38:34下载
- 积分:1
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inner_GRID
关于研究电力规划需求的文章,对做电力电网规划项目的人十分有用,比如电网概况,电网规划和重要电网指标分析等。(The Document is about Inner Mongolia Power Grid,which is usefull for the Needs analysis pepole,for example basic Grid,grid planning and Important index... )
- 2020-07-30 17:18:39下载
- 积分:1
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MS
说明: C# development book very helpful
- 2009-10-05 19:49:37下载
- 积分:1
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biyesejitognxinxitong
中文摘要
正交频分复用( OFDM , Orthogonal Frequency Division
Multiplexing)是当前一种非常热门的通信技术。它即可以被看作是一种
调制技术,也可以被看作是一种复用技术。由于它具有抗多径衰落和频谱
利用率高的特点,因此被广泛应用于高速数字通信领域,比如应用于IEEE
802.11a无线局域网(WLAN)的物理层等等。
我的毕业设计的核心任务是:采用 FPGA 来实现一个基于OFDM 技术
的通信系统中的基带数据处理部分,即调制解调器。其中发射部分的调制
器包括:信道编码(Reed-Solomon 编码),交织,星座映射,FFT和插
入循环前缀等模块。我另外制作了相应的解调器,可以实现上述功能的逆
变换。
另外,我还对OFDM技术, IEEE 802.11a的标准文献,基于Simulink
的 OFDM 模型和仿真,ALTERA 公司的技术和 IP Core 的使用等方面进
行了研究。这些在文章中都有体现。
(Abstract
Orthogonal frequency division multiplexing (OFDM, Orthogonal the Frequency Division,
Multiplexing) is a very popular communication technology. It can be seen as a
Modulation technique can also be seen as a multiplexing technique. Because of its resistance to multipath fading and spectrum
High utilization characteristics, and is widely used in high-speed digital communications, such as used in IEEE
802.11a wireless LAN (WLAN) physical layer.
The core mission of my graduation project: FPGA to implement a technology based on OFDM
Communication systems in baseband data processing part, ie the modem. These emission part of the modulation
Includes: channel coding (Reed-Solomon coding), interleaving, constellation mapping, FFT and interpolation
Into the cyclic prefix modules. I also produced a corresponding demodulator can achieve the inverse of the above functions
Transformation.
In addition, OFDM technology, the IEEE 802.11a standard literature, based on Simulink
)
- 2012-05-20 21:58:18下载
- 积分:1