Objective To introduce ward calling system based on power line communication.
目的：介绍一种基于低压电力线通信的病房呼叫系统。
The power line communication device (100) performs communication via a power line (50).
该电力线通信装置(100)经由电力线(50)而进行通信。
A method and apparatus for protecting privacy in power line communication (PLC) networks.
一种用于在电力线通信(PLC)网络中保护隐私的方法及装置。
First, the basic principles of power line communication and spread spectrum are introduced.
论文首先介绍了电力线载波通信和扩频技术的基本原理。
An adaptive impedance matching system model for power line communication system was proposed.
提出了一种自适应阻抗匹配系统。
A power line communication system based on the special carrier chip LM1893 is introduced in the paper.
根据教室电器节能系统的需要，介绍了基于电力线载波芯片LM 1893的电力线载波电路的设计。
Channel estimation is researched for OFDM system in low-voltage power line communication in this paper.
本文主要研究基于OFDM的低压电力线通信信道估计算法。
This system base on power line communication chip STALON3000A which manufactured by STA company in Australian.
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。
Compared with traditional access technologies, high speed power line communication (PLC) has greater competing power.
与传统的宽带接入技术相比，高速电力线通信(PLC)具有更强的市场竞争力。
The advantage, method and current state of using spread spectrum technique in power line communication are discussed.
对数字水印技术原理作了一般概述，重点讨论了扩频技术应用到数字水印技术中的方法和优点。
One of the crucial points in further application of power line communication (PLC) is the development of its firmware.
电力线通信(plc)的拓展应用，关键之一在于固件的研制。
Therefore, there is a wide foreground for the study and application of low-voltage power line communication technology.
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。
Based on above background, in this paper, we focus in a power line communication (PLC) system design and it's development.
本文正是结合上述背景，对基于电力线网络的系统设计及其实现作了一些研究和探索。
Finally, the power line communication application situation in the domestic and the prospects for development are discussed.
最后，讨论了电力线通信技术的应用情况和发展前景。
The power line communication, the ss communication system and the design technique of FPGA have been discussed in this thesis.
论文对电力线通信、扩频通信系统和FPGA设计方法等进行了相关研究。
Orthogonal Frequency Division Multiplexing (OFDM) is a critical technology for the realization of broadband power line communication.
正交频分复用(OFDM)是实现宽带电力线通信的关键技术。
In this paper, a scheme of Broadband Power Line Communication based on orthogonal frequency division multiplexing (OFDM) is discussed.
本文探讨了基于正交频分复用(OFDM)的电力线宽带数据传输方案。
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，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.
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。
Provided is a power line communication device which can suppress increase of unnecessary radiation even when signals are continuously transmitted.
提供了一种电力线通信装置，即使当连续传送信号时，该电力线通信装置也可以抑制不必要的辐射的增加。
As a new access mode, power line communication has become popular with more and more users in the light of its convenient access mode and low price.
电力线上网作为一种新的用户接入方式，以其方便的接入方式和低廉的价格受到越来越多用户的青睐。
This paper introduces the basic principles of the two modulations, and then discusses their advantages for the application in power line communication.
文中介绍了两种调制技术的基本原理，分析了其在电力线通信中应用的优越性。
There are stochastic Gaussian noise, multi-path effect and attenuation in the power line communication. It is difficult to transmit high-speed streams.
电力线通信存在随机高斯噪声干扰、多径效应和信道衰减，严重制约了高速数据的传输。
The paper explores and makes research on low-voltage power line network communication and channel coding techniques to achieve power line communication.
针对目前基于低压电力线网络通信信道编码技术进行了探讨与研究，并在此基础上实现了电力线通信。
One of the key points of the popularization and application of power line communication network (PLC-NET) is the establishment of its technological system.
电力线通信网络 （PLC NET）的推广和应用关键在于其技术体制的建立。
OFDM technique has been the mainstream in low-voltage power line communication because of its good capability against interference and high transmission rate.
OFDM技术以其抗干扰性强，传输速率高成为低压电力线高速通信的主流技术。 信道估计算法是OFDM系统接收端的关键技术之一。
By use of the advanced techniques of computer control and power line communication, the system realizes the remote control and automatic management watt hour meters.
该系统采用了先进的计算机技术和通信技术，通过在电力线上的信息传输，实现了对电能表的远距离控制和自动化管理。
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 broadband access.
由于电力线通信不需重新布线，成本低廉等优点，它作为宽带接入的一种方式受到了极大的关注。
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 broadband access.
由于电力线通信不需重新布线，成本低廉等优点，它作为宽带接入的一种方式受到了极大的关注。
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