| 1. | Research of the home - network protocols based on low - voltage power line communication 基于低压电力载波的家庭网络应用研究 |
| 2. | Requirements for single function power - line carrier transmitter receiver equipment 单功能电力载波发射机接收机设备的要求 |
| 3. | The condition and expectation of automatic meter reading technology based on power line carrier 电力载波自动抄表技术现状与展望 |
| 4. | Channel media : plc , microwave , optical fiber , cable , dial - up , ethernet 通道类型电力载波,微波无线,光纤,电缆,电话拨号及以太网等。 |
| 5. | The communication media can be power line , infrared , radio frequency , twistedpair , etc , among which power line communication technique is discussed 物理介质可以采用电力载波、红外线、无线电、双绞线等。本文主要论述采用电力载波的信息编码格式,载波扩频技术等。 |
| 6. | In addition , the anti - jamming circuit in power line and design schema in allusion to the jamming of plc channel are analysed . from the point of view of the system , these measures are testified effectively in pratice 另外,分析了低压电力载波信道的干扰,研究了电力线上抗干扰电路及实施方案,从系统分析角度来看,措施是经济而有效的。 |
| 7. | Then the hardware and software conceptual design of the homenet based on x - 10 is given . chapter seven discuss the plc ( power line carrier ) communication technique in detail . and then described the plc communication technique based on cebus and x - 10 respectively 第七章在对电力载波通讯技术加以剖析的基础上,分别对基于cebus和基于x - 10协议的电力线载波通讯技术进行了详细的论述。 |
| 8. | This paper introduces present application status of some media for image ( video ) transmission and puts forward the idea of the image ( video ) transmission system based on transmitting over low - voltage power distribution networks , which does n ' t require special transmitting networks 本文对目前的图像(视频)传输系统使用不同传输介质的情况进行了分析以后,提出了基于电力载波的图像(视频)传输系统的设计方案,该系统能够免除铺设传统的图像(视频)传输网络。 |
| 9. | Technique of transmitting data via power line ( pl ) , a new technique developed in recent years , is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage , disadvantage and the current state of the power line carrier communication 。 the advantage , method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper , after introducing the principle of ssc , design of hardware and software of the system are been discussed 。 this system has been put into use , the result has proved its high stability and reliability 本文研究旨在提供一种利用低压电力供电网络、低成本、高可靠地实现公共事业收费自动化和小区物业管理智能化的技术应用。讨论了电力线载波通信的优、缺点及现状,扩频技术在电力线载波通信应用的优点、方式和现状,并对低压电力线网络的特性进行了简单的分析。在阐述了扩频通信的基本原理的基础上,本文详细地介绍了电力载波远程抄表系统的具体实现,包括硬件模块和管理软件本系统已投入运行,具有较高的稳定性和可靠性。 |