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PARLAY DOCUMENT FROM 3G
PARLAY DOCUMENT FROM 3G
- 2022-03-10 00:32:05下载
- 积分:1
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摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用
OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受...
摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用
OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受到的由于多
径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和
基本原理,然后在计算机上用M atlal〕对其性能进行了仿真,仿真中将OFDM与传统的单载波
调制方式―i1,交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较,最后分析了一者的仿真结果.
-Abstract: Based on the communication technology train operation control system (CBTC) is a railway signal direction for the development of cross-frequency division multiplexing OFDM) is a wireless environment of high-speed transmission technology, its high-speed train control information transmission Bian be subject to the Due to the spread of multi-path fast fading caused by the impact of a strong resistance to diseases. This paper first introduces the OFDM technology development and the basic principles, and then on the computer〕 M atlal use its performance simulation will OFDM with the traditional single-carrier modulation-i1, cross-amplitude modulation (1frQAM) against multi-path interference of the 10 properties were compared with a final analysis of
- 2022-08-24 10:19:13下载
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Boost电原理图,开关电源有时候会用到该电路,可参考其计算变量...
Boost电原理图,开关电源有时候会用到该电路,可参考其计算变量-Boost electrical schematics, switching power supply can sometimes be used in the circuit, refer to the calculation of variables
- 2022-11-08 07:45:03下载
- 积分:1
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运放选型
运算放大器的结构形式主要有三种:模块、混合电路和单片集成电路。对于设计工程师来说,不仅是要知道所用产品的型号,而且还应熟悉生产这些产品的工艺,...
运放选型
运算放大器的结构形式主要有三种:模块、混合电路和单片集成电路。对于设计工程师来说,不仅是要知道所用产品的型号,而且还应熟悉生产这些产品的工艺,从而能够从一类放大器中选出一种放大器做特定的应用。-Selection of operational amplifier OPAMP structure There are three main types: modules, hybrid circuits and monolithic integrated circuit. Design Engineer for example, not only to know the product you are using models, but also familiar with the production process of these products in order to be able to elect one Class A amplifier amplifier make specific applications.
- 2022-01-27 20:30:05下载
- 积分:1
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基于8051单片机的数控电源设计方案
基于8051单片机的数控电源设计方案-8051 NC-based power supply design program! ! ! ! ! ! ! ! ! ! ! ! ! ! !
- 2022-04-07 18:55:26下载
- 积分:1
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programa en el que se simula un termómetro, se hace uso de los sensores de tempe...
programa en el que se simula un termómetro, se hace uso de los sensores de temperatura y la pantalla LCD, mostrándose por ésta la temperatura que capta el primero
- 2022-12-27 14:20:04下载
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A department store management system design, can be a total of your reference
一个百货管理系统的设计方案,可共大家参考-A department store management system design, can be a total of your reference
- 2022-08-07 05:33:17下载
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水电管理信息系统设计书
水电管理信息系统设计书-utilities management information system design book
- 2023-03-10 22:30:03下载
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自适用滤波器设计的FPGA的实现 南开大学微电子系 华为项目资金支持...
自适用滤波器设计的FPGA的实现 南开大学微电子系 华为项目资金支持-Since the application of filter design FPGA realization of Nankai University, Department of Microelectronics Huawei project funds to support
- 2022-04-08 11:58:51下载
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随着密码分析技术的提高,新的数据加密标准AES取代了过时的DES。文章在阐述AES/RSA加密算法的基础上,分别给出了利用AES/RSA实现客户端/服务器端网络...
随着密码分析技术的提高,新的数据加密标准AES取代了过时的DES。文章在阐述AES/RSA加密算法的基础上,分别给出了利用AES/RSA实现客户端/服务器端网络数据传输的加密流程。最后在比较AES算法和RSA算法基础上,将AES与RSA相结合提出一种新的数据加密方案。-analysis technology improvements, new data encryption standard AES replaced the outdated DES. The article described AES/RSA encryption algorithm on the basis of the difference is the use of AES/RSA achieve client/server network data encryption process. Finally in comparison AES and RSA algorithm, based on AES and RSA will be combined, a new data encryption program.
- 2022-02-12 01:50:39下载
- 积分:1