有線載波通信 的英文怎麼說

中文拼音 [yǒuxiànzǎibōtōngxìn]
有線載波通信 英文
line radio
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 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...
  • 通 : 通量詞（用於動作）
  • 有線 : wired有線傳真 wirephoto; 有線電報（術） wire telegraphy; 有線電話 electrophone; line; telephony; ...
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  • 通信 : communication; communicate by letter; correspond
  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. Traditional power line carrier communication has some shortcomings on communication quality, which let it does n ' t adapt to the dement of the power developing

    電力線載波通信以電力線為載體，與其它通信方式比較有著特殊的優勢。傳統的電力線載波通信在通信質量上的缺陷使其不能適應電力發展對通信的要求。
  3. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  4. In the dissertation, modem technology of the airborne electromechanical communication system based on plc is studied and the research has pratical value to improve the modernization of aeronautic equipments in our country

    本課題研究飛機電力線載波數據通信調制解調技術，本課題的研究對推動我國航空裝備現代化具有實用價值。
  5. The system can resolve the noise and impedance on the power line and obviously improve the abilities of anti - disturbance and successful rate of communication. at the same time, the software realy method and arithmetic is also introduced to settle the problem of attenuation and increase the distance of carrier communication, it can satisfy the need of remote reading meter system

    該系統有效地克服了電力線噪聲和阻抗變化等干擾因素，提高了抗干擾能力和通信成功率，同時提出軟體中繼的思想和演算法並加以實現，進一步抑制了線路衰減快的問題，使載波通信的距離增加，滿足了遠程抄表系統的要求。
  6. 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。
  7. Indispensable for high quality optical carrier signal reception in a large dynamic range, agc analog optical receivers are widely used in the optical transmission of radio and microwave signals, such as fiber catv, direct broadcast satellite tv, wireless communication and radar

    摘要自動增益控制模擬光接收機廣泛應用於光纖有線電視、光纖直播衛星電視、無線通訊及雷達等射頻微波信號光傳輸，是實現大動態范圍光載波信號高質量接收必不可少的一項技術。
  8. It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping

    本論文緊緊圍繞著數字通信系統中的載波恢復技術，在介紹了有線通信系統所用的調制解調通道模型后，首先闡述了載波恢復技術的思想和基本原理，在此基礎上給出了三種載波恢復演算法，即判決導向演算法、簡化星座判決演算法和掃頻演算法，並且給出了其各自的模擬圖：然後深入研究了一種適合高階qam並且能糾正較大頻偏的載波恢復技術：極性判決演算法。
  9. Chapter iv advances a proposed systematic scheme of power line receivers in accordance with homeplugl. o on the basis of analysis in chapter iii, present the implementation of an ofdm baseband transmission platform based on mpc860t embedded system

    第四章在前幾章的理論基礎上，提出了適合於homeplug1 . 0的電力線載波通信接收機的系統方案，同時介紹了基於mpc860t的ofdm基帶傳輸系統平臺的嵌入式實現，對整個平臺的硬體和軟體構成都有較為詳細的介紹。
  10. Finally, in order to utilize the power lines to transmit the digital signals well, an on - line reading record system with the neuron chip of lonworks as core is developed, which communicates by power lines in use of power line transceiver

    針對如何有效地藉助電力線進行數字通訊，設計了採用lonworks總線的neuron晶元、 lonworks電力線收發器以藉助電力線載波通信的自動抄表系統。
  11. 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。
  12. Since sound is the only effective information carrier for medium or long distance wireless communication in sea water, underwater acoustic ( uwa ) communication plays an important role in national defense and in the development of marine economy

    由於聲波是目前海中實現中、遠距離無線通信唯一有效的信息載體，因此水聲通信對于國防的保障和海洋經濟的發展都有著極其深遠的意義。
  13. Digital down converting is one of the key technologies of software radio. it can improve the efficiency and reliability of communications. lt is also important to realize software radio receivers. the paper focuses on the technologies involved in digital down converting, such as integer sampling - rate conversion, non - integer sampling - rate conversion and carrier frequency offset estimation algorithm. on the base of these, the paper analyzes applications of digital down converting in the hsp50214b programmable downconverter. the hardware and sofeware of the application of digital down converting are also introduced

    數字下變頻技術是軟體無線電中的關鍵技術之一。該技術不僅有助於提高通信的有效性和可靠性，還對實現真正的軟體無線電臺有著重要的意義。本文對數字下變頻所涉及整數倍采樣率轉換、非整數倍采樣率轉換和載波初始頻差估計校正作了較深入的研究，並提出了一些實用高效的實現結構和演算法。
  14. Furthermore, soft - relay is employed to reduce the coupling of the three - phase voltages and prolong the distance of communication, which intensifies the capability via price, reliability and stability of the system

    系統中採用軟中繼有效地解決了三相電的耦合問題、增長了其通信距離，從而使得低壓載波電力線較好地運用於智能大廈遠程抄表系統，充分發揮系統性價比高、可靠性好、運行穩定等優勢。
  15. 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。
  16. Among the several methods of remote power line communication, the power line carrier communication is the most hopeful one

    在目前提出的若干種實現電力線遠程通信的方案中，電力線載波通信是最有前景的一種。
  17. The characteristic of channel, the mode of modulation and the methods of signal processing are main research contents in plc

    本文涉及的電力線載波通信研究，主要有以下三個方面:通道研究、調制方式研究和信號處理研究。
  18. Base on the chip - essc16 the hardware and software design of a low - cost, - cost, high - reliability power line carrier communication system are realized in the paper. the system has already applied in liaoning, hebei and shandong etc., the users are satisfactory with its communication reliability and transmission capability

    本文最後完成了基於esssc16載波晶元的電力線載波通信系統的物理層設計和軟體設計，該系統具有功能齊全、結構簡單、系統組建靈活的特點，目前已在遼寧、河北、山東等地安裝使用，在通信可靠性、傳輸質量上非常適合我國電力線現狀，用戶反映良好。
  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. In the field of traditional power line carrier ( plc ) communications, the modulation - demodulation cells of plc were implemented in means of analog method. the traditional plc systems can ’ t catch up with the market demands for higher communication quality

    在傳統的電力線載波通信領域，電力線載波機的調制解調單元都是用模擬器件實現的，這種傳統的載波機已不能完全滿足現有市場對通信質量的要求。
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