载波通信
- 网络Carrier Communication;Power Line Communication;PLC
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HVDC换流站取消载波通信噪声滤波器的可行性
Feasibility to Cancel PLC Noise Filter at HVDC Converter Station
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本文首先介绍了高压电力线载波通信发展历程和载波通信基本理论,并对高压电力线信道作了分析。
Firstly the , thesis introduces the development course of high voltage PLC and the basic theory , and analyses the channel characteristic .
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基于USB接口的电力线扩频载波通信系统研究
The Study of Power Line Communication System Based on USB Interface
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高压电力线载波通信自适应OFDM调制技术研究
Study on Self-Adaptive OFDM Technology of High-voltage Power Line Carrier Communication
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基于OFDM的电力线载波通信技术的研究
The Research of Power Line Carrier Communication Technology Based on OFDM
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一种基于OFDM的多载波通信系统的设计与仿真
Design and Simulation of Multicarrier Communication System Based on OFDM
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基于CPLD的列车广播线双载波通信模块设计
Design of dual carrier communication module for train broadcasting wire based on CPLD
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马钢港务原料厂PLC通讯故障排除方法分析一种电力线载波通信系统的设计
Analysis of Handling Methods of PLC Communication Failures of the Raw Material Plant on the Port Design of a PLC Communication System
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COFDM运用于载波通信传输模块的DSP实现
DSP Realization of High Speed Carrier Wave Communication Module Using COFDM Technology
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基于GPRS和低压电力线载波通信的智能远程抄表系统的设计
Design of Intelligent and Remote Meter Reading System Based on GPRS and Low-voltage Power Line Carrier Communication
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本课题为常州通泰仪器仪表厂的委托项目,根据用户的实际设计要求,对正交频分复用(OFDM)技术及其在低压电力载波通信系统中的应用进行了研究。
The researches on Low-voltage Power Carrier Communication ( PLC ) based on orthogonal frequency division multiplexing ( OFDM ) are presented in this paper .
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Echelon公司的电力线载波通信技术
Power Line Carrier Communication Technology of Echelon
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基于COFDM技术的高速数字载波通信的实现
Realization of high-speed digital power line communication based on COFDM technology
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第3章介绍了多载波通信技术,推导了MIMO-OFDM系统的传输模型,并且给出了空频码的设计准则。
After discussing multi-carrier communications and developing MIMO-OFDM system model , the criterions of designing space-frequency codes are introduced .
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论文首先介绍了正交频分复用(OFDM)技术的基本理论及其实现过程,分析了将正交频分复用技术应用于电力线载波通信的可行性和优点。
The thesis first introduces the basic theory and the realization aspects of OFDM , and then demonstrates the feasibility and advantage of using OFDM in PLC .
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因此,在已有的研究基础上提出一种改进的子信道利用方法来实现OFDM技术在电力线载波通信中的应用,通过建立Matlab仿真模型实现基于改进方法的通信。
An improved method is brought forward based on currently research in order to apply OFDM to power line carrier communication and it has been simulated by establishing Matlab model .
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结果表明硬件嵌入式仿真平台可以很好地仿真OFDM系统,采用改进的TCM编码调制方法可以有效地降低PAPR值,能够获得一定的性能改善,OFDM技术在低压电力线载波通信中具有广阔的应用前景。
The result provides that proper code can reduce PAPR of OFDM system , and OFDM technique has a capacious prospect used in low voltage distribution power-line network .
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第五章对差分OFDM系统进行了研究,对加性高斯白噪声(AWGN)信道下具有多径传播的正交频分复用多载波通信系统进行了计算机仿真。
Chapter V studied differential OFDM systems , it simulated the OFDM multi-carrier communication system with the AWGN channel and multi-path characteristics by computer .
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尽管DS-CDMA比OFDM和DSSS综合性能优良,但是OFDM技术可能更适合于配电线载波通信。
Although the DS-CDMA has the advantages over the OFDM and DSSS , the OFDM is much suitable for applications to distribution line carrier communication .
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电力载波通信技术,简称PLC,是一种利用中、低压配电网作为通信介质,实现数据、语音、图像等综合业务传输的通信技术。
Power Line Communication technology , referred to as PLC , is a use of medium and low voltage distribution network as the communication medium for data , voice , image and other integrated business communications transmission technology .
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综述了用于下一代移动通信的光纤毫米波副载波通信技术(ROF)的研究进展。
Progresses of millimeter wave subcarrier fiber communication technology ( ROF ) for future generation mobile communication are summarized in this paper .
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根据有线载波通信的原理和双音多频DTMF(DualToneMultiFrequency)编码,同时利用单片机实现对目标负载有线遥控的智能控制系统。
Based on the principle of carrier communication , an intelligent control system is presented , which applies single chip microcomputer and DTMF ( Dual Tone Multi Frequency ) coding technique to realize remote control of objective load .
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本文应用OFDM(正交频分复用)技术通过对中压电力线信道特性的研究构建了中压电力线载波通信系统。
Based on the channel characteristics of the medium voltage power line , this work applies the technology of OFDM ( Orthogonal Frequency Division Multiplexing ) to construct a system of medium-voltage power line carrier communication .
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正交频分复用(OFDM)用于低压电力线载波通信能够有效解决噪声、多径和频率选择性衰落等问题。
Orthogonal frequency division multiplexing ( OFDM ) is proposed as a new and efficient method for resolving such problems as noise , multi-path propagation and frequency selective fading in power line communication ( PLC ) .
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通过对有线载波通信的原理和DTMF信号编码的特点的分析,集合PIC单片机的特点,介绍了利用PIC单片机实现对目标负载有线遥控的智能开关控制系统;
Based on the principle of carrier-current transceiver and coding by DTMF , the intelligent controlling on-off system with this principle and PIC single chip microcomputer is introduced .
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本文论述了电力线载波通信的发展及现状,针对如何在高压电力线中提升通信速率和可靠性的问题,提出了数字单边带与TCM两种实现方案。
The paper discusses the development and application of power line carrier communication technology . Aiming at enhancing the high speed and reliability of the communication on high voltage power line , two schemes : digital single sideband and TCM are proposed .
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针对国内外道路照明管理系统的发展现状,本文提出了一种基于ARM平台和低压电力线载波通信技术的道路照明管理系统,详细阐述了在该系统中作为现场控制设备的照明区域控制器的设计。
A road lighting management system using ARM and low voltage power-line carrier communication technology was presented in this thesis . The design of the Cluster Lighting Controller , which is used as a field control equipment in the system was studied in detail .
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然而,多载波通信系统存在峰值平均功率比(PAPR)较高的缺点,高PAPR容易导致信号失真、频谱扩展、系统性能下降。
However , the multicarrier communication system has the drawback of high peak-to-average power ratio ( PAPR ) . High PAPR may cause signal distortion , spectrum spread and system performance degradation .
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以全数字化镇流器为基础,结合电力载波通信和GIS通信技术,融合多传感器技术,实现城市公共照明的自动化与网络化监控和管理,是一种有效的远程网络化实时路灯精确监控系统方案。
The project is effective , which realizes the automation of monitoring the city lamp lighting with PLC ( Power Line Carrier ) and GIS ( Geographic Information System ) and multi-sensors fuse based on completed digital ballast , and realizes monitoring street lamps real-time and accurately .
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针对USB总线设备方便、灵活、高效、低价的特点,提出将电力线载波通信模块加接USB接口,可方便地实现家电控制自动化和网络化。
Based on the convenience and efficiency of the USB interface bus , a new solution is brought forward to combine the Power Line Carrier Communication Module with USB interface , it is easy to fulfill the automatic and network control for familial electric devices .