線路通信量 的英文怎麼說

中文拼音 [xiànlùtōngxìnliáng]
線路通信量 英文
line traffic
  • 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...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 通 : 通量詞（用於動作）
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 通信 : communication; communicate by letter; correspond
  1. After 1990s, information industry and data traffic network have greatly mushroomed and influenced industrial automation. new type industrial networks such as dcs, fieldbus and industrial ethernet have brought a high - level revolution in industrial automation. however because of the disunion of the international standards of fieldbus and indirect interconnection and interoperation between different kinds of fieldbus products, the openness of fieldbus can not be achieved easily

    90年代以來，以internet為代表的計算機信息產業和數據通信網路蓬勃興起，發展迅速，同樣也對工業自動化領域形成了強大的沖擊，新型的工業計算機網路如新型集散控制系統（ dcs ） 、現場總線（ fieldbus ） 、工業以太網（ industrialethernet ）等大量涌現，給工業自動化帶來一場深層次的革命。
  2. Indoor wireless optical local area network ( wlan ) has advantages of wide bandwidth, strong anti - jamming and good handiness. it is the best resolution for future communications : mobility, personality, and multimedia application, and will have wide applying foreground. how to use the network bandwidth resource fairly and effectively is key to qos guarantee

    在室內無線光通道中，如何公平、高效地利用網路帶寬是保障局域網通信可用性、可靠性和服務質量的關鍵所在，也正是無線光局域網媒質接入控制（ mediumaccesscontrol ， mac ）協議需要解決的核心問題。
  3. A simple, robust method is proposed that relies on high - resolution measurements and on - line analysis of network traffic to provide real - time alarms in the incipient phase of network anomalies. the anomaly identification algorithms based on behavior model using path changes, flow shift and packet delay variance

    通過高性能測量和在線分析網路流和路由信息對初始網路異常產生實時報警，提出基於路由變化、流變化和包延遲建立網路行為模型的網路異常檢測演算法。
  4. Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs

    萬能輸入，可與各類傳感器、變送器配合使用，實現溫度、濕度、壓力、液位、流量等物理量的測量、顯示、報警控制和變送輸出；通過串列通信口，可在上位計算機中實現全部儀表參數的讀寫；還可為兩線制變送器提供24vdc電源； 4位高亮度led數字顯示；對輸入信號有多段折線修正功能可選；一臺儀表最多可配4個報警繼電器輸出、一路變送（或通信）輸出和一路配電輸出。
  5. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  6. Though wide - band has been used widely, it ' s not wide enough to watch high - quality real - time video. futhermore, wiless communicaton has become a hot technology, it has limited band and unstable communication channel which result in high percentage of errorness in this situation, if people want to watch realtime video, it has high demand that video producer compress the video as small as possible when quality is good enough and receiver have ability of error resilience

    另外，無線通信已經成為當前it領域的一個大熱點，對無線通信來說，帶寬就更加有限，並且傳輸線路不穩定，錯誤率高，在這種情況下，如果想通過無線網路在線觀看視頻，必然需要視頻發送端在保證質量的情況下對視頻進行盡可能的壓縮，同時提供強大的糾錯和抗錯能力。
  7. The system realizes multiple serial port communication and management by way of multi - port serial board ( 2 ) use the database technology to manage and manipulate the physics information data of nc tool. the basic information management system, the nc program auto - create system, the simulation of cutter working and dnc communication program are integrated to one system. it realizes the offline programming and controls of no - punched tape, helps to cut short the supplementary cutting time and improves the efficiency of to program and machine tools and realizes the separation and seamless connection of program and manufacture

    本課題以硬體為輔助手段，以軟體為主要手段實現了以下功能：以串口擴展卡來實現網路中多臺數控機床的通信和管理；使用數據庫技術對數控機床的物理信息進行管理和操作，將數控機床基礎信息管理系統、 nc程序自動生成模塊、刀具加工軌跡模擬模塊和dnc通信介面模塊集成為一體，實現了數控加工的離線編程和數控系統的無帶控制，提高了編程效率、質量，縮短加工輔助時間，提高了機床的效率，既實現了編程和加工的分離，又達到它們之間的無縫連接。
  8. In the meanwhile, we build a complete simulation model of layered wireless self - organizing routing network and verify feasibility of network architecture and key technologies, including operating mode of wireless interface, addressing and routing in lwsrn we study the performance of wsrn in terms of routing overhead, packet delivery ratio, and the communication capability, and compare these result with that of ad hoc network

    同時，構造了完整的分層結構的無線自組織路由網路模擬模型。驗證了網路體系結構和關鍵技術的可行性，包括無線通道工作方式、網路編址技術、網路路由過程。並通過模擬分析了分層結構的無線自組織路由網路的路由負載、網路數據到達率和網路通信容量。
  9. From the paper, it can be concluded that it is necessary to make many intellectual electronic equipments access the internet in the new era, with the development of the computer, communication and the network technique, and the embedded network platform based on the advanced x86 microcontroller has the characteristics of simplity, clarity and high - adaptability in the applications, it can be widely applied to many industrial fields such as power automation, communication terminal, monitoring and measuring system on line, embedded web, network protocol transformation, intellectual instruments etc

    縱觀全文，得出如下結論：隨著計算機、通信及網路技術的發展，實現大量智能電子設備與internet的結合，即電子設備web化是信息時代的新趨勢。基於本文方案構建的高端x86嵌入式網路平臺具有應用開發簡單快速、靈活適應的特點，可廣泛應用於電力自動化及各種電氣測控設備、通訊終端、在線監測系統、嵌入式web 、網路協議轉換、智能儀器儀表等眾多工業領域。
  10. 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。
  11. 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。
  12. This paper briefly describes the extension of point - to - point communication link to node - connected communication network and of multiplex to multi - access technologies

    摘要概述了從點點線路至結點聯成通信網和從多路技術至多址技術的發展過程，解釋了光纖通信網發掘利用潛在容量以及建立未來高速通信網的關鍵問題。
  13. Requirements and measurement methods of electromagnetic compatibility for radio communication equipment part 5 : radio frequency audio link equipment and wireless microphones

    無線通信設備電磁兼容性要求和測量方法.第5部分:無線語音鏈路設備和無線話筒
  14. Standard for quality inspection and evaluation of pertoleum construction engineering telecommunication engineering toll open - wire line engineering

    石油建設工程質量檢驗評定標準通信工程長途通信明線線路工程
  15. The system is using the existing the network resources to obtain the prominent economic benefit through organizing the telephone communication without putting on the lines and purchasing the telecommunication network equipments, which is saved much costs such as equipment charges, lines charges, and project charges

    計算機網路電話通信系統無需鋪設電話線路和購置電話通信網路設備，節省大量建設電話網路的設備費、線路費和工程費等費用，可取得顯著的經濟效益。
  16. Fifth, a monitoring center for guarantee of apec communications was set up to undertake round - the - clock real - time supervision, which included supervision of traffic flowing in exchanges that were installed in all meeting venues and key hotels ; supervision on tv signals ; supervision on the running of 82001 equipment ; supervision on the traffic of the shanghai internet node ; supervision on the traffic of the apec mirror site on shanghai hotline ; supervision on the status of the cdpd equipment ; supervision on the status of the adsl equipment and supervision on the status of the atm equipment

    第五，建立apec通信保障監控中心，實施２ ４小時實時監控。包括對各場館、重要賓館交換設備的話務監測；電視信號監測； 82001設備運行情況監測；網際網路上海節點的流量監測；上海熱線apec鏡像網站的流量監測； cdpd設備運行情況監測； adsl設備運行情況監測； atm設備運行情況監測，形成了一個縱觀全局的指揮平臺。
  17. Transit and rail industries in many nations have already adopted the digital system as their regular radio communications system. in asia for example, the digital trunked radio system has already been adopted for system expansion or replacement by several organizations. these include the transit northeast line in singapore 1991, the mass transit system smrt in singapore 1998, the high speed railway in malaysia 2000, the guang - zhou subway in china 2000, the west line of guang - jiu railway in china 2000, the peking light railway in china 2001, and the new delhi transit system in india 2001

    據了解現在各國新建捷運路網無線電系統規劃方式，有往數位干線式無線電系統發展之趨勢，並且已成各國捷運及鐵道工業無線電通信的主流標準，以亞洲為例：新加坡捷運東北線（ 1998年） 、新加坡高運量捷運smrt （ 1998年） 、馬來西亞快速鐵路（ 2000年） 、中國廣州地鐵（ 2000年） 、中國廣九鐵路西線（ 2000年） 、印度德里捷運（ 2001年） 、中國北京輕軌系統（ 2001年） .均已於系統擴建或新建時規劃採用數位干線式無線電系統。
  18. Every field has its own special computer network, however they still use the switching network of programming control which is provided by the post telephone and telegraph system. the cost of the telephone is a large part in the spending of every department. instructing the switching network to realize the telephone communication needs much of equipment charges, lines charges, protection charges, project charges and time

    雖然各行業都有自己的專用計算機網路，但是各行業仍利用郵電系統提供的程式控制交換電話網路通信，需支付大量的電話費，佔用了各部門的很大一部分開銷；建立程式控制交換電話網路實現電話通信需要大量的設備費、線路費、維護費和工程費等費用，並且需要一定的施工工期。
  19. The contents of paper contains the selection of the primal devices, the design of the hardware circuit, the development of the drive programe and how to realize the communication between vibration measurement instrument and fieldbus

    論文內容包括儀表元器件選擇，硬體電路的設計，軟體驅動程序的開發，如何實現振動測量儀與現場總線的通信等。
  20. In the theory sustentation, the thesis offers the integration of the subsystems to the integration of the big whole system from three parts : the integration of hardware system, the network technology and the network security, the integration of software system. in the integration of hardware system, the measure control unit is concretely introduced and the intelligent instruments is educed, and then diversified pivotal technology of the instruments are studied deeply through the depiction of the conception and structural character of the intelligent instruments. in the network technology and the network security, the definition and character of the fieldbus is educed firstly, after the actuality and the developing foreground and the faced problems during the developing course are discussed, the network communication protocols cored by the open system interconnect reference model and the industry ethemet which is most widely applied in practice are dissertated emphatically, the problem of the network security is discussed lastly

    在理論支持方面，論文從硬體系統集成、網路技術和網路安全、軟體系統集成三個部分對整個大系統的集成提供子系統的集成：在硬體系統集成部分，具體介紹了測量控制單元mcu ，然後引出智能儀器，通過對智能儀器概念和結構特點的敘述，深入研究了智能儀器的各項關鍵技術；在網路技術和網路安全部分，首先引入現場總線的定義和特點，在探討了現場總線的現狀、發展前景及發展所遇到的問題后，重點論述了以osi參考模型為核心的網路通信協議和實際中應用最廣泛的工業以太網，最後討論了網路安全問題；在軟體系統集成部分，首先從軟體集成的標準問題出發，在探討了軟體集成的框架設計思想和開發平臺及開發工具的選擇之後，重點研究了組態軟體在安全監測系統中的應用。
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