載波電信技術 的英文怎麼說

中文拼音 [zǎibōdiànxìnjìshù]
載波電信技術 英文
cwt carrier wave telegraphy
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 技 : 名詞（技能; 本領） skill; ability; trick; technique
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  • 電信 : electric（al） communication; telecommunication; telegraphy; traffic; telecom電信電纜 communicati...
  1. 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種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀，擴頻技術在電力線載波通信應用的優點、方式和現狀，並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上，本文詳細地介紹了電力載波遠程抄表系統的具體實現，包括硬體模塊和管理軟體本系統已投入運行，具有較高的穩定性和可靠性。
  2. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  3. Considering the requirement of communication network, a local area computer communication system of plc based on usb interface was given after analyzing the application model of plc. then after theoretical analysis and digital simulation, the plc modem and the computer interface models were designed. the design of software about the two models was also finished

    本文首先介紹了電力線通信技術在國內外的研究概況，分析了電力線載波通道的傳輸特性，討論了適合於電力線通信的擴頻載波通信方式，然後結合通信網路的要求，在分析電力線通信應用模式的基礎上，提出了一種基於usb介面的室內計算機電力線通信方案，進行了理論上的分析和數字模擬，設計了電力線modem模塊和計算機介面模塊，編制了相應的軟體程序，並對軟體進行了測試分析。
  4. 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。
  5. Technical code for designing power line carry communication

    電力線載波通信設計技術規程
  6. 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
  7. In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on

    本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題，在此基礎上，從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性，並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋；本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案，即由用戶終端、集中器和電能管理系統所組成的網路系統，其中，用戶終端到配變集中器用低壓電力線作為通道，中間無需其他硬體中繼設備，集中器到電能管理系統用公用電話網作為通道。
  8. The communication media can be power line, infrared, radio frequency, twistedpair, etc, among which power line communication technique is discussed

    物理介質可以採用電力載波、紅外線、無線電、雙絞線等。本文主要論述採用電力載波的信息編碼格式，載波擴頻技術等。
  9. Carrier communication over high voltage power line has been developing for near one hundred years. it has many applications for voice communication in power distribution, data collection from tele - control instrumentation, and so on. however, using power line within one transformer area to provide internet access is a just recent development

    高壓電力線載波通信已有近百年的歷史，它在電力調度話音通信、電力系統遠動裝置數據採集等方面取得了卓有成效的應用，但是利用一個臺區的低壓電力線建立internet接入網是近幾年來國際上剛剛興起的技術。
  10. The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on

    主要包括： maxwell電磁理論；發送光場模型；空間通道模型；計算機網路通信技術：無線局域網通信技術；媒體訪問控制規程（ mac ） ；載波檢測多址接入碰撞檢測規程（ csma cd ） ；曼徹斯特編碼與ppm編碼技術等。
  11. But modern electronic counterwork technic could exactly estimate the carrier frequency, signal period, even the pseudo - random ( pn ) sequence itself of direct sequence spread spectrum ( dsss ). it is urgency to investigate a new dsss to achieve lower probability of detection ( lpd ) and higher anti - jamming

    然而現代電子對抗技術可以準確估計直接序列擴頻通信的載波頻率、符號周期甚至擴頻碼本身，為達到更低截獲率和更高抗干擾的通信目的，必須研究新的直擴通信技術。
  12. The performance test virtual system of power line carrier based on lonworks locale control technology. the syetem is structure of modularity, it can be used to test all kinds of parameters of network performance according to your different requirements. in the lonmaker operation system and distributed database management system, the software of the system adopts object oriented programme. it can be run in windows 2000 system credibly

    電力線載波通信網路性能虛擬測試儀基於lonworks現場總線控制技術，它採用了模塊化結構，可根據不同的測試需求，構成不同的測試系統。本虛擬測試儀的上位機軟體是在lonmaker操作系統和分散式數據庫管理系統microsoftsqlserver下採用的面向對象的編程方法開發完成的，可以在windows2000操作系統下可靠運行。
  13. To meet the needs of teledata transit, the digital transmitting techniques are applied to the system, the power line carrier wave tele - circuit with a bus transfer interface is supplied, and what ' s more, a detailed introduction is given to illustrate the operation

    為了滿足遠距離數據傳輸的需要，將電力線載波數據傳輸技術應用於冷庫溫度檢測系統中，並設計了帶有總線轉換介面的電力線載波通信電路，闡述了其工作原理。
  14. If we can apply the spread spectrum technique on power line, improve the quality of the power line carrier communication, make the better use of the existing power line resource, then we can resolve the channel - lacking problem and bring direct and considerable social economic benefit

    若能將擴頻技術用於電力線，提高電力線載波通信質量，使現有電力線資源物盡其用，從而尋求到一種高性價比的電力系統通信方案，這便能很好的解決電力系統中的通道緊缺問題，帶來直接而客觀的社會經濟效益。
  15. The communication technology of electric automatic system is discussed. it principally studies the technology of organizing nets, the communication technology of low pressure electric line and the technology of spread spectrum communication. it gives the project that power line carrier and direct sequence spread spectrum communication are combined with automatic dial - up passing modems for daqing automatic reading meter system

    探討了電力自動抄表系統的通信技術，重點研究了組網技術，低壓電力線通信技術，擴頻通信技術，提出了在大慶電力自動抄表系統中利用公眾電話網通過數據機自動撥號、電力載波和無線直接序列擴頻通信相結合的數據傳輸方案。
  16. So how to solve the problems and improve the stability and anti - disturbance becomes the key point of the realization of power line carrier communication

    所以，如何克服以上問題，提高信號傳輸的穩定性和抗干擾性是實現電力線載波通信技術的關鍵。
  17. It was clear that homeplug is now recognized as one of three attractive in - home net working solutions, together with ethernet and wi - fi ( ieee 802. 11lx )

    顯然，電力線載波通信技術現在已經被看作使3種主要的室內網路解決方案之一，與以太網，無線局域網（ ieee802 . 11x ）相互補充。
  18. A lower voltage power line carrier communication system on spread spectrum technology based on this condition is designed, which is composed of a singlechip computer at89c51 and pl2101b. this article described the hardware and software of the system, and the field - test showed the system is feasible

    在此基礎上，開發了基於擴頻技術的低壓電力線載波通信系統，系統主要由at89c51和擴頻通信晶元pl2101b組成，完成了該系統的硬體設計、製作，軟體的編程和調試。
  19. 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。
  20. In the high - voltage communication area, along with the power communication technology ’ s developing, the technology and the application of the plc have been changed greately. now, the type of dplc has replace the type of simulation communication and the type of multi - channels has replced the type of sigle channel or 2 - channels

    目前，隨著晶元處理能力的提高和通訊技術的發展，在低壓電力線通訊上已達到100mbps以上。在高壓電力通信上，隨著電力通訊技術的發展，當今電力載波通信技術及其電力載波通信技術的應用已經發生了極大的變化。
分享友人
分享到 Line

分享到臉書