电力线

You have to connect all broken chains of power line in time.

你必须连接所有连锁店打破了电力线的时间。

But there is much disturb and cacophony on power line, using commonly communication"s mode is difficult to attain reliability"s demand.

但是由于电力线上的干扰及杂音比较大，采用普通的通信技术很难达到可靠性的要求。

It can improve the transmission performances of power line carrier wave communication systems.

该改进方案改善了电力线载波通信系统的传输性能。

With the increasing demand of the network speed, it is very important to make full use of the PLC channel capacity.

随着人们对网络传输速度的要求越来越高，如何挖掘电力线载波通信容量问题成为关键问题之一。

There is no any application or research in power line spread-spectrum communication on the complex power line environment in mine.

目前电力线扩频载波通信在井下复杂电网环境中的应用研究还是一个空白。

Chapter Three examines some spreading codes and their correlative processing, which is the foundation of spreading modulation and demodulation.Chapter Four, based on the CEBus standard protocol system, stresses the structure of intelligent home networking system, analyzing the working principle of the system, and discusses the realization of PLC module and communication between instruments and PC.

第四章重点阐述了基于CEBus的家庭测控网络系统构成，研究了CEBus标准协议体系与此系统的工作原理，同时深入探讨了电力线扩频载波通信模块的具体实现方法及家庭测控网络仪器与PC机通信的实现，总结了家庭网络应用电力线通信的不足之处。

To enhance the reliability of narrow band PLC over low-voltage networks, a Power Line Communi- cation routering reconstruction method on basis of irreciprocal clustering algorithm is proposed and thoroughly discussed in the paper.

为提高低压配电网窄带电力线载波通信系统可靠性，提出并讨论一种基于非交叠分簇算法的电力线通信组网及路由重构方法。

The communication of the Power Line Carrier Intercom is a kind of new Tec.which has sprung up for lately years ,while it makes use of the existing power line as madia to transfer the information.

电力线载波通讯技术是近年来发展起来的一项新兴的通讯技术，电力线载波通信是利用现有的电力线路作为介质进行信息传输的一种通信方式。

Following the establishment,cooperation development has been perfmed between the cpation the Renesas Cpation in the field of Digital TV,Power Line Communication,etc, outsting achievement has been achieved;Lots of products technology,such as the DVD-R application software,LCD-TV application software series products,Power Line Carrier Communication Terminal Module Concentrat,etc,has been developed by the cpation.

公司成立以后在DVD刻录机、数字电视、电力线载波通信等领域同瑞萨公司进行协作开发，并取得了优异的成绩；公司现已开发出了DVD-R应用软件、LCD–TV应用软件系列产品、电力线载波通信终端模块和集中器等多项产品或技术。

Progress in the research of narrow-band power line carrier communication and it's limitations are introduced in the paper. Signal relay strategy in the link layer is an effective method to expanding the valid communication length and reliability.

阐述窄带电力线载波通信领域的研究进展和应用领域存在的问题，认为链路层的信号中继是提高电力线通信距离和可靠性的有效方法之一。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。