设计并实现了利用较先进的电力线通信系统构成的公用数据采集网。
The design and realization of the network are based on an advanced electric wire communication system.
本文就通信节点的电力线通信性能做了测试和分析，实验结果表明该智能建筑控制网络通信系统是可行的。
The PLC performance of the communication nodes is tested and analyzed. The results show the communication system of the control network of intelligent building is feasible.
PL3105是为智能控制设计的电力线通信专用芯片，具有8051指令兼容的高速微处理器、直序扩频的载波通信等强大功能。
PL3105 is an intelligent control ASIC chip of powerline communication. It has 8051 compatible MCU instructions and direct sequence spectrum carrier communication.
为了建立节能控制系统，本文首先分析了几种常见的住宅内的网络结构，从中选用了以电力线为通信介质的通讯网络，并介绍了一种基于DTMF编码方式的电力线通信系统。
To establish a house saving energy system, this text first analyses several net structures, and chooses power line as the correspondence medium, and also USES DTMF coding mode.
电力线载波通信是配网自动化中一种经济、简便的数据传输方式。
Power line carrier is an economic and convenient data transmission technology used in distribution automation system.
但是电力线信道上存在的各种噪声、衰减和多径传播等问题，这些都大大提高了通信的难度。
But the noises, the attenuation and the multipath propagation inhering in the powerline make it very difficult to realize such kind of communication system.
该改进方案改善了电力线载波通信系统的传输性能。
It can improve the transmission performances of power line carrier wave communication systems.
论文首先介绍了电力线载波通信和扩频技术的基本原理。
First, the basic principles of power line communication and spread spectrum are introduced.
文中分析比较了OFDM系统信道估计算法，并根据低压电力线信道的特点，选择了适合于电力线通信的信道估计方法。
In this paper, some algorithms for estimating channel in OFDM system are analyzed and compared, and the most appropriate one is selected according to power line channel's characteristics.
由于电力线通信不需重新布线，成本低廉等优点，在智能家庭网络和宽带接入等领域受到了极大的关注。
Because power line communication has several advantages, such as no need of new wire and low cost, it has drawn a lot of attentions in the fields of intelligent home LAN and broadband access.
正交频分复用(OFDM)是实现宽带电力线通信的关键技术。
Orthogonal Frequency Division Multiplexing (OFDM) is a critical technology for the realization of broadband power line communication.
比特交换和功率调整算法可以作为带宽优化算法的重要组成部分，应用于电力线高速数据通信之中。
The bit swap and power reallocation algorithm can be an important part of dynamic spectrum optimizations of high speed power-line communications.
同时对国内外电力线载波通信的现状和发展趋势做了详尽的阐述。
Furthermore, it elaborates on the current situation and development trends of domestic and foreign Power line carrier communication.
目的：介绍一种基于低压电力线通信的病房呼叫系统。
Objective To introduce ward calling system based on power line communication.
因此，研究、开发和应用低压电力线载波通信技术具有非常重大的意义和十分广阔的前景。
Therefore, there is a wide foreground for the study and application of low-voltage power line communication technology.
本文主要研究基于OFDM的低压电力线通信信道估计算法。
Channel estimation is researched for OFDM system in low-voltage power line communication in this paper.
低压电力线信道特性是设计低压电力线载波通信系统的基础。
The characteristics of power line channel are the foundation of designing the low voltage power line carrier communication system.
首先，介绍了电力线通信，测量并分析了电力线信道的噪声和复衰减特性，并分别进行了建模。
First, power line Communication is introduced. The noise and attenuation characteristics of power line channel are measured and modeled.
首先，介绍了电力线通信(plc)，测量并分析了电力线信道的噪声和复衰减特性，并分别进行了建模。
First, power line Communication (PLC) is introduced. The noise and attenuation characteristics of power line channel are measured and modeled.
通过对扩频通信和电力线载波通信特点的分析，设计实现了一套远程抄表系统。
Through the analysis of the spread spectrum and power line carrier spectrum, the authors design a set of remote reading system.
总之，本文在理论研究的基础上，通过大量的仿真和实际实验，实现了汽车内电力线束载波数据通信。
In one words, based on principle research and many simulation and practical experiments, this research realizes the power line carrier communication in automobile.
但是它们都非常的昂贵，不能普及，本文针对此，设计了电力线载波通信网络的网络性能虚拟测试仪。
But they are very expensive and can't be popularized. So because of it, I design a performance test virtual system of power line carrier communication network.
本文就是根据澳大利亚STA公司的电力线载波通信芯片STALON3000A进行系统的设计。
This system base on power line communication chip STALON3000A which manufactured by STA company in Australian.
介绍了一种全数字方案的电力线载波通信调制模块。
A kind of all-digital modulation module for power-line communication systems is described.
最后，讨论了电力线通信技术的应用情况和发展前景。
Finally, the power line communication application situation in the domestic and the prospects for development are discussed.
文章提出的论点对电力线数字通信设备的生产、测试和行业管理有一定参考价值。
The points of view of this paper are valuable reference for manufacturing, testing and industrial management of power line digital communication equipments.
系统还需要在两个方面进行改进：(1)抵抗低压电力线恶劣通信状况的能力；(2)适合于音乐信号的传送。
The system requires two improvements: (1) the ability to counter the severe communication condition of low-voltage power line and (2) the ability to transmit music signal.
低压电力线作为通信媒介实现数据通信具有很大的应用潜力。
As communication medium, the low voltage powerline has great potential in application.
低压电力线作为通信媒介实现数据通信具有很大的应用潜力。
As communication medium, the low voltage powerline has great potential in application.
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