power line communication technology 中文意思是什麼

power line communication technology 解釋
電力線通信技術
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  • technology : n. 1. 技術，工程，工藝。2. 製造學，工藝學。3. 術語（匯編）。
  1. Current transducer ( ct ) is an important measurement instrument in the power line monitoring. with the development of the technology of fiber communication and integrated electronics, the hybrid - type optical current transducer ( hoct ) will be the succedaneum of the traditional current transducer

    電流互感器是電力監測中的重要測量儀器，隨著光纖通信技術與集成電子技術的發展，混合式光纖電流互感器必將成為傳統電流互感器的換代產品。
  2. The first part of the dissertation covers power line communication technology, focus on theory analysis

    本論文的第一部分主要介紹了電力線通信技術，偏重於理論分析。
  3. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  4. The design of power line spread spectrum carrier communication system in fpga with digtal technology

    的數字化電力線載波擴頻系統的設計
  5. According to the principle of spread spectrum communication, the anti - interference performance of the technology is discussed and the composition of power line spread spectrum communication is described. based on the spread spectrum technique, a method which is low cost, high communications quality and low bit error for power line carrier communication using single - chip software programming is proposed

    利用擴頻通信原理，分析擴頻通信的抗干擾特性，在此基礎上，闡述了電力線載波通信系統的基本結構，提出了一種利用軟體編程實現電力線載波擴頻通信的方法。該方法不增加硬體成本，即能達到提高通信質量、降低誤碼率的目的。
  6. Benefit from the rapid growth of domestic power line communications network, we are committing to manufacture, sales and research of cable anchoring and control hardware and systems for opgw and adss optical fiber. in order to satisfy the growing demand from domestic and overseas customers, we succeed in designing patented series products of anchoring system for both optical fiber and communication power line by absorbing international advanced technology and procedure

    公司著眼于電力行業的高速發展，長期致力於opgw和adss特種光纜及電力線纜的預絞絲配套安裝金具產品的開發生產和銷售，並結合國內外用戶的實際需求，引進和吸收國內外先進的技術工藝，成功研發出自主知識產權的全系列光纜配套金具和電力線路用螺旋預絞絲導線金具。
  7. This paper presented a general systematic view, application and current development of the power line carrier transmission technology, and clearly compared some existing power line carrier communication chip with each other. then the authors analyze the channel " s characters of low voltage power line, and formed an abstract carrier channel model. using this as its basis, a new kind of transmission technology is designed that adopted transmission technology combining the spread spectrum modulation with channel coding, which can solve the problems above mentioned to a certain degree, and need not pay for high cost

    文章不僅全面地介紹了電力線載波通訊技術的特點、應用及其發展狀況，還對目前的電力線載波通訊晶元進行了比較；並通過對低壓電網通道特性的分析和研究，抽象出其載波通道模型，在此基礎上，提出了將擴頻調制和通道編碼相結合的傳輸技術用於低壓電力線載波通信，這可以在很大程度上解決電力線的干擾問題，且不必付出高昂的代價。
  8. The application of power line communication technology based on pl3150 pl

    一種新型電力線收發器在電力線載波通信中的應用
  9. An application of power line carrier communication technology to intelligent building control

    電力線載波通信技術在樓宇智能監控中的應用
  10. This paper presented a general systematic view of the power - line data transmission through ssc ( spread - spectrum communication ) technology. furthermore, it put forward two application schemes in the automatic reading ammeter system

    系統、全面地介紹了電力線載波通訊技術的特點、應用及發展狀況，並對目前的電力線載波通訊晶元進行了比較；同時，也提出了電力線載波通訊技術運用在遠程自動抄表系統中的應用方案。
  11. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術，可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號，具有較高的整體性能。
  12. A remote record system is designed using integrated circuit based on direct sequence spread spectrum carrier communication technology and can transfer data from the sender to the receiver via low voltage power line

    本文應用擴頻晶元設計了一種遠程抄表系統，它採用直接序列擴展頻譜通信技術，以低壓電力線作為媒介進行通信。
  13. Technology and application of communication via low voltage power line

    低壓電力線通信技術及其應用
  14. An in - building power line data communication system is built using dsss and qpsk technology and its important parameters are presented

    使用直接序列擴頻及qpsk等通信技術構建了室內電力線通信系統，給出了主要的技術指標。
  15. System scheme of speech coding plus spread spectrum communication was presented based on a full analysis of noise characteristic, attenuation characteristic and impedance characteristic of low - voltage power line. spread spectrum carrier ( abbreviated as ssc ) technology is adopted to overcome problems existing in signal transmission over power line. high quality, low rate mbe compression algorithm was used to complete speech encoding and decoding

    在對低壓電力線路的噪聲特性、衰減特性和阻抗特性三個方面充分分析的基礎上，本文提出一種語音編碼+擴頻傳輸的系統總體方案，採用擴頻載波（ spreadspectrumcarrier ，縮寫為ssc ）技術克服電力線傳輸信號存在的問題，採用語音合成質量高並具有較低碼率的mbe壓縮演算法完成語音信號的編解碼。
  16. On the other hand, recent advances in communication and modulation methodologice, as well as in adaptive digital signal processing and error detection and correction, have opened the way for the development of effective medium access control and physical layer protocols that support power line communications ( plc ) networks operating at speeds comparable to those obtained from specially wired and more recent wireless local area network in mid - 2001, an industrial standards organization called the homeplug powerline alliance, originally founded by 13 companies including cisco, motorola, intel, panasonic, and texas instruments, announced the completion of the homeplugl. o specification for a l. 0mb / s class in - home power line networking technology based on orthogonal frequency - division multiplexing ( ofdm )

    但是，近年來通信和調制技術的發展，特別是自適應數字信號處理和錯誤檢測及糾正技術，使電力線通信技術出現新的mac層和物理層協議，其性能可以和一些專用有線網路以及最近十年流行的無線局域網技術想媲美。在2001年，一個由13個公司（包括cisco ， motorola ， intel ， panasonic ， andtexasinstruments ）組成的組成的標準組織? ? homeplugpowerline聯盟，頒布了完整的homeplug1 . 0規范，改規范使基於正交頻分復用技術，主要針對10mb s室內電力線網路技術。
  17. With development of embedded internet and power line communication technology, the focus of la networking is more and more transferred to it

    隨著嵌入式internet技術和電力線通信技術的發展，越來越多的科研人員將家電網路化研究重點轉移到應用日益廣泛的嵌入式系統和電力線上網上來。
  18. This paper analyses the present la network model, propose using embedded internet and power line communication technology to implement remote control to la

    本論文分析了現有的家電網路的模式，針對目前家居網路的需要，提出利用嵌入式技術和電力線通信技術實現對網路家電的遠程監控。
  19. In this paper, aiming at the control communication problem of satellite communication antenna system, the particularity of the communication part of the equipments which have relative movement is analyzed, and comparing to formerly communicationg project, a new project to resolve the communication problem is put forward, namely lower voltage power line carrier technology

    本文針對衛星通信天線系統中的控制通信問題，分析了有相對運動設備間通信的特殊性，並與之前所用的通信方案進行了對比，提出了一種新的方案來解決該通信問題，即利用低壓電力線載波技術來實現通信。
  20. This article briefly presented the principle of lower voltage power line carrier technology and spread spectrum technology, and discussed the advantage, the mode, the current state of spread spectrum technology applied to lower voltage power line carrier communication, and analyzed the channel transmission characters of lower voltage power line with mechanical contact

    在本文中，簡要闡述了低壓電力線載波技術和擴頻技術的原理，討論了擴頻技術在低壓電力線載波通信中應用的優點、方式和現狀，並通過大量實驗，分析了帶機械接觸的低壓電力線路的傳輸特性。
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