载波通信是铁路长途通信的重要通信手段之一。
The carrier communications are still one of important means in railroad telecommunication up to now.
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.
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.
最后对数字电力线载波通信的发展趋势作简要的分析。
Finally the developments of digital power line carrier are briefly addressed.
电力线载波通信系统利用电力线来实现远程数据传送。
Carrier current systems use the power line mains to transfer information between remote locations.
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.
测试结果的分析可供低压电力线载波通信方案选择时参考。
The analysis of testing result provides the reference to the scheme selection of the LV power-line carrier communication.
电力线载波通信系统中，对接收信号的处理是非常重要的。
In PLC system, it is very important to process the received signal.
用扩频电力线载波通信技术设计了铁路站场智能化照明系统。
An intelligent lighting system for railway goods yard based on spread spectrum power line carrier communication technique is proposed.
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.
目前，电力线数字载波通信设备已经在国内得到了广泛的应用。
Nowadays, power line digital carrier equipments have been used widely in China.
这篇文章介绍了一种基于OFDM的低压电力线载波通信系统。
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.
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.
此外，在低压电力线载波通信中，存在着通信传输距离有限的问题。
In addition, in the communication of low power line carrier exists the problem of the transmitted distance of communication.
提出了在架线电机车载波通信系统中，用数字通信取代模拟通信方式。
A digital communication system is introduced to replace analog system used in underground locomotive carrier communication system.
对低压电力线载波通信技术方案的决策，要依据有可比性的测试数据。
The decision on technical scheme of the low-voltage power-line carrier communication should be based on the testing data with comparability.
电力载波通信是以现有的电力电缆为载体实现数据交换的一种通信方式。
Power line carrier communication is a kind of communication which takes the existing power line as the media for data exchange.
为了提高低压电力线载波通信的实用性，需要配合使用合适的高层通信协议。
In order to improve the practicability of the low voltage power line carrier communication (PLCC) some high level communication protocols should be applied.
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.
本系统还运用电力载波通信芯片(将信道改为电话线路)实现了数据远程通信。
This system use electric power carrier wave communication chips, the channels between which are changed to telephone lines, to realize the long-distance communication of data.
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.
本文介绍使用PN 结作为温度传感器的特点、工作原理及其在载波通信中的应用。
This paper introduces the characteristics of PN junction using as TM transducer. Its working principles and application in carrier communication are also described.
众所周知，采用电力载波通信方式有着明显的缺点：通道干扰大，数据传输难以保障。
It is known to all that the shortage of carrier wave mode: great disturbance in channel make it difficult to transmit fault data.
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.
目前的中高压电力线载波通信的传输速率都很低，只能应用于低速的场合，用户容量有限。
At present, transmitting speed of medium and high voltage power line carrier is very low, and these kinds of carriers can be used only in low speed situation, and the number of user is limited.
电力线载波技术分为两类，一种是用于负载控制、远程抄表和家电自动化的低速电力线载波通信。
There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.
电力线载波技术分为两类，一种是用于负载控制、远程抄表和家电自动化的低速电力线载波通信。
There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.
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