電信網電壓 的英文怎麼說

中文拼音 [diànxìnwǎngdiànyā]
電信網電壓 英文
tnv telecommunication network voltage
  • 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...
  • 網 : Ⅰ名詞1 （捕魚捉鳥的器具） net 2 （像網的東西） thing which looks like a net 3 （像網一樣的組織或...
  • 壓 : 壓構詞成分。
  • 電信 : electric（al） communication; telecommunication; telegraphy; traffic; telecom電信電纜 communicati...
  • 電壓 : voltage; electric tension; electric voltage
  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. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分析了國內外水電站自動控制裝置的研究和發展狀況，尤其是國內小型水電站的自動化現狀，針對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。
  3. Adsl splitter and transformer, lan transformer, rj45 jack integrated with magnetics, home plug turbo ( 85mbps ) plc to ethernet bridge, inverter modules for ccfl

    漢仁公司主要設計和生產通信網路分離器、變壓器、濾波器、電力線通信設備、背光源驅動模塊、電源等產品。
  4. This article has developed a method to lead through the examination crystal thyratron passing with shutting off, as well as the examination electrical network voltage synchronized signal, realizes the the

    本文研製了一種通過檢測晶閘管的導通與關斷，以及檢測電網電壓同步信號，由87c196kc實現了異步電動機節能控制器的功率因數的檢測，具有一定的創新性。
  5. ( 5 ) taking full of advantage of the ado. net and asp. net technology under the. net platform. it construct a powerful remote control and monitor system and meet the reqirment of the users. in order to achieve real - time control, it design a front environments built on the asp. net structure, from which the system can fulfill the real - time function. due to the characteristic of drain off water pump station remote control and monitor system ( big pump station need high voltage ( 6000v ) and great power ), so now do n ' t adopt the ways that client _ end controls it. in addition, the server - end design a database to manage from which the system could tackle users information and online users log in the form of winform and strengthen the safety of the system

    Net平臺下的ado . net與asp . net技術，發揮兩者的武漢理工大學碩士學位論文優勢，構造了功能更強的遠程監控系統，更好的滿足用戶的需要。系統設計中以asp . net架構為前臺環境，實現了客戶端通過ie瀏覽器來實時的監控到排水泵站的運行情況，使系統達到了實時監視，但由於大泵機工作電壓高（ 6000v ）功率大（ 100okw ）的特點，暫不採用客戶端控制系統。在服務端，設計了數據庫，並且以winform的形式來管理網路管理員和用戶的信息以及在線用戶的日誌，加強了系統的安全性。
  6. The single - chip microcomputer control technology has been applied in the system to carry out monitoring and protective functions for the asynchronous motors controlled. combined with suitable peripheral interface, disposition and flexible software, the mcs can measure the current and voltage signals of the motors. based on the measurements, the computation, judgment and decision are made to implement the phase sensitive short circuit, overload, supply over - voltage, supply under - voltage, over - thermal, leakage lock - out and loss of phase protective function

    系統採用單片機控制技術，完成所控制電動機的控制功能，並對所控制電動機的電壓、電流等信號進行檢測、計算、判斷和處理，實現短路、斷相、過載、欠壓、過壓、過熱、漏電閉鎖等保護功能，並提供本質安全型輸入、輸出介面，能與煤礦井下監測監控系統聯網運行。
  7. The main products include : aluminum - cored and copper - cored polyvinyl chloride insolating wires, protecting wires, rubber wires, alumina gel wires, steel - cored alumina gel wires, prefabricated cables, power cables, controlling cables, cross sky cables, communication cables, signal cables, burn - preventing wires and cables, computer internet wires, vehicle - used low pressure cables and wires. television cables etc. all the products are being produced according to the national standard and ministry. all the cables series have gained the national producing license for industrial products, and the other products have obtained national mandatory 3c authentication

    公司專業生產各種「寶炬」牌電線電纜，主要產品有：鋁芯銅芯聚氯乙烯絕緣電線護套線膠質線鋁絞線鋼芯鋁交線預制分支電纜電力電纜控制電纜交聯架空電纜交聯塑力電纜通訊電纜信號電纜阻燃電線電纜電腦網路線公路車輛用低壓電纜電線電視電纜等，各類產品均按有關的國際部際進行生產，電纜系列均獲得全國工業產品生產許可證，其它主導產品亦獲國家強制性3c認證。
  8. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  9. A new low voltage distribution integrated automation system based on can ( controller area network ) communication networking is proposed in this paper. and the distributed protection and monitoring unit is researched and developed

    本文提出了一種基於can （控制局域網路）通信網路的分散式面向對象的低壓配電自動化系統的結構，設計和開發了應用於低壓配電自動化系統底層的分散式保護和測控單元。
  10. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路，以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略，給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  11. 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。
  12. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低頻段，因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路；放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機，對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖；而後將能量分佈特徵數據作為神經網路的輸入值，這樣，好蛋和破損蛋的模型就建立起來。
  13. It has application in dvd and htdv and dvb - c and video transmission in network, etc. two parts the principle of video reduced on mpeg - 2 standard and the designing of encoder and debugging on encoder are primarily expatiated on in this dissertation

    本文編碼器採用fujitsu公司的mpeg - 2編碼晶元mb86390用硬體來實現視頻信號的壓縮，編成mpeg - 2碼流，可應用於dvd 、數字電視、 dvb - c及視頻的網路傳輸等。
  14. 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。
  15. Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connect - ion, the body adopts the high and strong function engineering plastics, structure forerunner, legerity. have also dependable functions of airpr - oofing and endureing lightning strike

    屬于開啟式機械壓力密封接頭系統，廣泛用於通信網路系統， catv有線電視光纜網路系統，可直通分支，盒體採用高強性能工程塑料，結構先進，輕巧並具有可靠的密封性及抗雷擊性能，並適用於架空，管道，附桿及戶內等安裝。
  16. Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connection, the body adopts the high and strong function engineering plastics, structure forerunner, legerity

    屬于開啟式機械壓力密封接頭系統，廣泛用於通信網路系統， catv有線電視光纜網路系統，可直通分支，盒體採用高強性能工程塑料，結構先進，輕巧並具有可靠的密封性及抗雷擊性能，並適用於架空，管道，附桿及戶內等安裝。
  17. Moreover, the communication - capable voltage relay can realize remote control, remote - adjust and remote - information

    另外，可通信電壓繼電器能與其它元件組成網路以實現遙控、遙調、遙信。
  18. The capability of integrated communication of telecom network has been improved very fastly in last few years. the network is facing more and more challenge than before because of more and more requirements of multimedia services, which is required by users

    近年來，電信網綜合通信能力明顯增強，運營商必須提供更多的多媒體業務才能吸引住用戶，因此網路面臨的壓力越來越大。
  19. In order to monitor power network, this paper presents a new design of a harmonic test apparatus for power system based on dsp and rabbit 3000. the apparatus on the spot performs mathematics and numerical processing including fft and so on to voltage and current sign and transfers data to pc. data can be stored, show, query, summary and printing and so on. the complete test monitor system of harmonic is made up of monitor apparatus, pc and network

    為了能夠對電網的運行狀況進行監測，本文提出採用dsp技術和rabbit3000模塊設計一種電力系統諧波監測儀。該諧波監測儀被安裝在檢測現場，對電網電壓和電流采樣信號進行fft等數學運算和處理，並通過數據機將處理后的數據傳送到上位機，上位機可以對數據進行存儲、顯示、查詢、匯總、列印等。監測儀與上位機以及網路構成了一套完整的諧波監測系統。
  20. Since 1996, six international global telemedicine conferences have been held by the university, the largest of all being the " moving with the sun 97 " conference which was the first 24 - hour telemedicine conference linking up 19 medical centres across the world. telemedicine links medical experts in different parts of the world together by using high speed multimedia network such as asynchronous transfer mode ( atm ), very small aperture terminal ( vsat ) and virtual private network ( vpn ) as communication media in conjunction with compressed video conference technology

    遠程醫療是醫療技術與高科技相結合的典範，以高速多媒體電信網如異步傳輸模式（ atm ） 、高速衛星專線（ vsat ）及組建虛擬專用網（ vpn ）作為通訊渠道，並配合先進視像壓縮技術與世界聯網，使身處不同地方的醫學專家可以面對面進行各種醫療活動，打破時間和空間的限制，為救死扶傷開創了另一新途徑。
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