reliability of transmission 中文意思是什麼

reliability of transmission 解釋
傳送可靠性
  • reliability : n. 可靠性,安全性,確實(性)。
  • of : OF =Old French 古法語。
  • transmission : n 遞送;傳遞;傳達;傳染;移轉;【機械工程】傳動;傳遞;變速器;聯動機件;【無線電】傳送;發射;...
  1. 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。
  2. To provide the logistics industry with a neutral and open electronic platform for information and data exchange, the government is exploring a digital trade and transportation network. it is hoped that operating costs can be lowered by improvements in the speed and reliability of information transmission

    政府現正考慮開發數碼貿易運輸網路,為物流業提供一個中立而開放的電子平臺,以交換資訊及數據,提高資訊流通速度和可靠性,減低運作成本。
  3. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。
  4. These are only intended for determining the reliability of the transmission, as if it was a pure arq scheme

    如果收端要求重傳,則發端再發送用於糾錯的校驗信息。
  5. 5. as for the readable and writable contactless ic card system, the thesis discusses the coding and rectifying measure to improve the reliability of the data transmission deeply, analyses the verifying and decoding method, and brings out the pivotal designing thought of the software

    ( 5 )對可讀可寫式非接觸ic卡系統,深入研究了提高數據傳輸可靠性的編碼和糾錯措施,分析了所採用的校驗編碼和糾錯方法,並給出了核心的軟體設計思路。
  6. Summaries are made concerning the typical network optimization problem. the paper independently puts forward several optimal methods to improve network traffic transmission, such as the maximum - flow problem over mpls, including the arc - based and path - based solution, which adopt the method of splitting and unsplitting traffic, the solution to the greatest reliability of transmission, the solution to concurrent maximum - flow for load balance via linear programming. on the basis of mpls path protection several protection methods over mpls are proposed, including n - to - 1, n - to - m protection solution in splitting and unsplitting cases and in diffserv cases, whose partial simulation results are provided as well

    即: 1 ) mpls網路最大流傳輸問題,包括基於弧的最大流解決方案、基於路徑的最大流解決方案,分流與不分流的最大流處理方法以及多源多匯最大流解決方案; 2 )最大可靠性傳輸問摘要博士論文題: 3 )基於弧的求解流量負載平衡問題的線性規劃方法; 4 )基於路徑的流量負載平衡方法以及其他負載均衡問題; 5 )在mpls路徑保護的思想和方法的基礎上,提出了基於mpls的若干新的路徑保護方法,即n一t 。
  7. In electric power market, the transmission capability of branch section is very important for the security and reliability of power system under both the small and large system

    電力市場環境下,無論是對小型的區域電力系統,還是對大型的互聯電力系統,輸電網的輸電能力對整個系統的安全可靠性都有著很大的影響。
  8. The establishment of the power system transmission parameter management system will have great effects on rising the ability for the supervisory and management of power systems. visualization, integrating with the energy management system ( ems ) and the online display of the values of power flow and voltage take effective way to the security and reliability of the power transmission systems

    採用圖形化、可視化手段,通過與能量管理系統ems ( energymanagementsystem )的集成,實現潮流與電壓的可視化在線顯示,對提高電網的調度效率,從而提高電網運行的安全性、可靠性有著重大的現實意義。
  9. The typical peer to peer telecontrol protocol dnp 3. 0 is analyzed on the real time performance of data transmission, the transparency of layered function and the scientificity of frame format definition. the valid classification method and the gathering procedure of telecontrol information are presented so as to improve real time performance of telecontrol information transmission. the rules to be obeyed in program realization are summed up in insuring the reliability of telecommand and teleadjusting

    分析了典型對等式遠動規約dnp3 . 0規約中數據傳輸的實時性、分層功能的透明性以及幀格式定義的科學性;提出了一種遠動信息有效分類方法和收集過程提高遠動信息傳輸的實時性;總結了為保證遙控和遙調的可靠性在程序實現中應遵守的規則;分析了dnp規約時間同步中同步誤差的產生原因,並給出了改進方法;提出一種實現遠動技術中參數設置的可行方法。
  10. From the point of kinematics and dynamics, the author analyses the propagation rules of stress waves in concrete, namely time - space relations, wave amplitude attenuation, dispersion effect and characteristics of transmission of reflected waves and acoustic waves. combining with engineering practices, the author also concluded the main points of low strain detection of integrity of longdiameter underwater cast - in - situ piles, and pointed out that comprehensive and relational utilization of reflected waves method and acoustic wave transmission method can accurately evaluated the integrity of pile shaft and then improve the reliability of detection. 6figs., 3refs

    從運動學和動力學角度,分析應力波在混凝土中的傳播規律:時空關系、波幅衰減、頻散作用以及反射波與聲波透射的特點,結合工程實踐,總結大直徑水下灌注樁低應變檢測的工作要點,指出綜合、合理運用反射波法與聲波透射法,可以較準確地評價樁身完整性,提高檢測結果的可靠性.圖6 ,參3
  11. The system has been used in wood drying kiln production process since december 2002. high precise, real - time scanning, accuracy test is validated by operational result. reliability of measure result, convenience of fit and debug, long distance of signal transmission, lower price and capability of anti - noise are the performance characteristic of this system

    半年來,實際運行結果表明,該系統能夠高精度、實時巡測窯內溫度、平衡含水率、木材含水率等乾燥過程基本參數,準確提供乾燥狀態信息,具有測量參數全面、測量結果可靠、系統功能豐富、安裝調試方便、信號傳輸距離遠、檢測精度高、成本低、抗干擾能力強等特點。
  12. So can completely satisfy measurement request of various natural gas from all parts of oil and gas field and transmission pipeline in our country. there are switch function of multi - kind signal input, only need to simple setup by instruments menu, namely can realize lightly switching between multi - kind input signal, and has jumproved universality and reliability of instrument

    Do為無源開關量信號,操作器在手動控制時輸出開關量閉合信號給前級的dcs系統或調節器, dcs系統或調節器收到do狀態信號后即停止pid運算,並使操作信號輸出跟蹤閥位反饋信號。
  13. The reliability of hv / ehv transmission line protection is important to the security of the power system. this thesis is devoted in the study of the transient current protection for hv / ehv transmission line

    探索新的保護原理和方法,以提高輸電線路保護的性能,是繼電保護研究領域中的一個重要課題。
  14. The purpose of distributed network file system, the dnfs, is to improve the transmission performance and reliability of network file system. it also implements " zero management " which means the file system should reach the read / write performance comparable to the local file system with the minimum manual participation

    分散式網路文件系統即dnfs文件系統設計的目的在於提高網路文件系統的傳輸性能和可靠性,同時實現「零管理」 ,即在盡量減少人工干預的同時,實現與本地文件系統接近的讀寫性能。
  15. The severe atmospheric environment of low atmospheric pressure at high altitude with pollution and icing has an important effect on the external insulation performance of transmission lines and threatens the reliability of a power system. therefore, a systematic study on flashover performance of several types of insulators at the severe atmospheric environment has both important academic meaning and engineering value

    覆冰、低氣壓(高海拔)和污穢等多因素共存的復雜環境對電力系統的安全運行造成極大的威脅,對復雜環境中絕緣子閃絡特性的研究具有非常重要的工程應用價值和學術意義。
  16. Considering the bad condition and the continuous noise existing in the factory, we carry out suggestion of further development of the fh ( frequency hopping ) algorithm to adapt for the demand of security and reliability of data transmission on the fieldbus. the essay researches the fh core in detail and carries out the improved link state history algorithm

    為了在長時間干擾源的條件下,實現藍牙無線的可靠傳輸,本文對藍牙的跳頻內核各邏輯控制器進行深入的研究,對lsh跳頻演算法提出改進方案,模擬結果證實了lsh跳頻改進方案是有效的。
  17. Under this background and based on the assignment of researching and developing real - time transaction proto - type system of one of the five exchanges - shanghai future exchange, the dissertation is intended to research and implement the exchange message protocol ( xmp ) and message transaction protocol ( xtp ) which are designed to guaranteeing the security and reliability of the data transmission system and discusses the design and implement of the xmp and xtp

    本文正是在這樣的背景下,基於我國五大交易所之一?上海期貨交易所的交易原型系統的研究和開發項目,研究實時交易系統中的數據通信協議:信息打包協議xmp ( exchangemessageprotocol )和交易協議xtp ( exchangetransactionprotocol ) ,並討論了協議的設計和實現。
  18. A secure authentication and key exchange protocol is designed in this thesis, which could prevent man - in - the - middle attack, increasing the reliability of authentication and security of key exchange. the data encryption module is implemented by openssl including symmetry key algorithm, public key algorithm, hash function. the system ’ s function is tested finally, the data transmission rate using different encryption algorithm

    研究並設計了一套基於數字證書和數字簽名技術的身份認證協議和密鑰交換協議,能夠有效地防止中間人的竊取和篡改,提高了身份認證的可靠性和密鑰交換的安全性;利用openssl標準庫函數實現系統的數據加密模塊,實現對稱加密、非對稱加密以及信息摘要的常用演算法。
  19. Speaking at the ceremony, mr tang said that with the exponential growth in the number of internet users worldwide and the ever expanding range of web - based applications and services, improvement in the quality of internet service in terms of transmission speed, reliability and system capacity was something that users looked forward to, and those in the academia and industry were working towards

    唐英年在儀式上表示,隨著全球網際網路使用人士數目急速增長,以及各種網上的應用程式及服務迅速增加,使用人士期望網際網路的服務質素,包括傳送速度、可靠程度、系統容量方面,都會有所改善。這亦是學術界及業界致力達成的目標。
  20. The transmission system of film face - lifting equipment is optimized by programming optimal program, reliability of transmission system is enhanced

    採用了計算機fortran編程語言,對小油封整容器的傳動系統進行了優化設計,使其傳動可靠性得到了較好的保障。
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