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扩频通信。第一本书
扩频通信.第一本有关扩频系统的专著是R.C.Dixon于1976年出版,是一本IEEE专利,1977年出版。1978年在日本京都召开国际无线通信咨询委员会公布研究成果。1982年在美国召开第一次军事通信会议,两次报告在军事中的应用。1985年美国提出CDMA(码分多址)的概念同年美国联邦通信委员会(FCC)制定扩频通信的标准和规范,逐步转入民用的商业化研究-Spread Spectrum Communication. The first book on spread-spectrum systems is RCDixon monograph published in 1976, is an IEEE patent, published in 1977. In 1978 in Kyoto, Japan, an international wireless communications Advisory Committee published research results. 1982 in the United States held its first military communications conference, two reports in the military applications. The United States in 1985 proposed CDMA (Code Division Multiple Access) the concept of the same year the United States Federal Communications Commission (FCC) the development of spread spectrum communication standards and norms, and gradually transferred to the commercialization of civilian research
- 2022-02-13 11:34:58下载
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三种模拟调制与解调的算法,三种模拟调制为:AM,FM,SSB
三种模拟调制与解调的算法,三种模拟调制为:AM,FM,SSB-Three types of analog modulation and demodulation algorithms, three types of analog modulation for: AM, FM, SSB
- 2022-08-13 16:39:31下载
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发送/接收字符串,可以发送文本文件,如自动
串口之间相互发送/接收字符串,可发送文本文件、自动发送等-Send/Receive string, can send text files, such as automatically
- 2023-06-10 19:45:03下载
- 积分:1
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Modbus Protocol specs
Modbus Protocol specs
- 2022-08-31 12:35:03下载
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模拟的距离矢量路由使用 NS2 模拟器
模拟的距离矢量路由使用 NS2 模拟器 在这个项目中,它描述了仿真的距离向量路由选择使用 Ns2 模拟器 我也有附件所有输出的快照 按照步骤安装 linux 紧接着 ns2 模拟器 目的: 研究距离矢量路由的性能。我们设计一个网络,如下所示: · 节点之间
- 2022-05-14 18:34:37下载
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TCP
TCP-IP技术大全2-TCP-IP technology Series 2
- 2022-09-16 18:45:03下载
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It is mainly used for ARQ simulation ,such as stop
It is mainly used for ARQ simulation ,such as stop-and-wait
- 2022-09-27 11:55:03下载
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中国WCDMA接口协议版本有关成分的细节…
WCDMA接口协议中文版,用于详细了解WCDMA接口结构组成及流程-Chinese version of WCDMA Interface Protocol for details about the composition and structure of WCDMA interface flow
- 2022-03-11 22:35:41下载
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柏半导体制造的各种锁相环
Cypress Semiconductor makes a variety of PLL-based clock
generators. This application note provides a set of recommendations
to optimize usage of Cypress clock devices in a
system. The application note begins with recommended termination
techniques for clock generators. Subsequently, power
supply filtering and bypassing is discussed. Finally, the application
note provides some recommendations on board
layout.
- 2023-05-18 09:30:03下载
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这篇文章详细介绍了CP在OFDM系统中的使用
这篇文章详细介绍了CP在OFDM系统中的使用-Detailed information on CP in the OFDM system using
- 2022-10-28 08:55:03下载
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