quality of transmission 中文意思是什麼

quality of transmission 解釋
傳輸品質
  • quality : n 1 質,質量;性質,特質;品質,品位。2 優質,美質,優點。3 才能,能力,技能,素養。4 品種。5 身...
  • 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 basic characteristics of the current data network are point - to - point, connectless, doing one ' s endeavor, no quality of service, etc. these characteristics do not meet the requirement of real - time services, therefore, the realization of voip need support of the some key technology. these technologies includes : speech sound coding and data compression, real - time transmission and control, mute compression and multicast, acoustic - echo cancellation and comfort noise generator, dynamic monitor and guarantee of quality of network service, as well as, the compatible of different network and different protocol with each other

    但現有的數據網路的基本特性:點對點的、無連接的、盡力而為的、沒有服務質量保證等特性並不適合與實時的業務要求,因此voip的實現需要一些關鍵技術的支持,這些技術包括:語音編碼和壓縮技術、實時傳輸和控制技術、組播技術、靜音壓縮和舒適噪聲生成技術、回聲消除技術、網路服務質量的動態監測和保證技術、以及不同的網路、不同的協議之間的互連互通等等。
  2. As a new type gear transmission, double circular arc profile bevel gearing carries out its transmission by means of meshing between convex - concave tooth profile in both of the direction of tooth trace and the direction of tooth depth, so it has advantage of high load capacity, long service life, easy forming hydrodynamic oil film between teeth as well as high quality of running - in etc. therefore, more attention has been paid to its application and research in recent years

    作為一種新型齒輪傳動方式,雙圓弧弧齒錐齒輪傳動不論在齒線方向、還是在齒高方向,均為凸、凹齒廓相嚙合,因而它比一般的弧齒錐齒輪傳動的承載能力高,使用壽命長;並且在嚙合過程中兩齒面間容易形成潤滑油膜,具有良好的跑合性能,所以對它的應用和研究日益受到人們的重視。
  3. Dvb / mpeg - 2 transport stream multiplexer / demultiplex takes an important role in digital video broadcasting system. it can combine several transport streams from source encoder into a single transport stream to transport channel, or demultiplex trasnsport stream into one program sorce to source decoder. its performance has a great influence on the program transmission ability of hdtv system and the decoding quality of decoder in hdtv receiver. mpeg - 2 system multiplexer signalized video, audio, host data and so on to fixed length packet type for making transport stream

    Dvb mpeg - 2傳送流復用解復用是數字電視廣播系統中的重要組成部分之一,它將從信源編碼器輸出的多路節目源復用成一路傳輸流送入傳輸通道,或者從通道中包含多路節目源的一路傳輸流中解復用出一路節目送到解碼器解碼。
  4. As the extensive application of the semiconductor laser diode ( ld ), it become more and more important to evaluate the quantity of laser beam. far - field divergence angle of laser beams is an important parameter about value of laser quality. not only the laser divergence peculiarity in the distance is reflected, but also quality of the correlative laser apparatus and the laser transmission is exactly known

    隨著半導體激光器日益廣泛的應用,對激光光束質量的評價越來越重要,而激光光束遠場發散角是評價激光質量的一個重要參數,它不但能反映遠距離傳輸時的激光發散特性,而且能準確評估出半導體激光器的品質及激光的傳輸質量。
  5. We find that the phenomenon can be explained by basic economic principles and the proxies for information asymmetry account for a significant portion of the b share and h share discounts. prior to 1998, the information asymmetry focuses on the disclosure quality and transmission efficiency ; after 1998, the effect focuses on the different reflection to the same information among different investor groups. in addition, the greater difference of demand elasticity between domestic investors and foreign investors make large contribution to deepen b share and h share discount degree in recent years

    在接下來的第五章中,我們對1994年1月至2000年12月中國所有的ab股和ah股的歷史數據進行實證檢驗,發現造成中國外資股價格普遍低於普通股票價格的形成原因是多方面的,其中信息不對稱是最重要的原因,在1998年前主要是信息質量和傳遞速度的差異造成的, 1998年後信息不對稱的影響以對信息的理解差異為主。
  6. With the combination of the present situation in shangrao power supply bureau, this thesis elaborates the analysis of the reform of rural electric power enterprise and the reconstruction of rural electric networks ; analysis of the investment conditions of the reform in the view of technical economics ; discussion of the effect of small hydropower on the economic activities of the whole marketing ; evaluation of the work of " two reforming and the same electric price in urban an rural districts " in the view of economics ; analysis of the profit and loss in marketing and economic activities with the cost - volume - profit analytic in managerial economics ; discussion of the measures in improving marketing activities from the aspects of developing the electric market in rural 、 pricing strategy 、 marketing channel management 、 sales strategies 、 quality service and the enforcement of transmission loss management, etc

    本文結合上饒供電局的實際情況,分析了農電體制改革以及農網改造的情況;從技術經濟學的角度對兩網改造的投資情況進行了分析;並就小水電對全局營銷經濟活動的影響進行了探討;結合當前的實際情況,從經濟學的角度評價了「兩改一同價」的工作;用管理經濟學中的量本利分析法分析了全局的營銷盈虧情況;針對營銷成果的分析,從開拓農電市場、定價策略、營銷渠道管理、促銷策略、優質服務以及加強線損管理等方面探討改進營銷經濟活動的措施。
  7. Based on the analysis of the real work state of the tractor in the field, take the typical plough implement unit as an example ; a further study was made in this paper, including the theory of the automatic transmission and the quality of gearshift

    本文以典型的犁耕機組為例,在分析拖拉機田間作業工況的基礎上,深入研究了拖拉機自動變速系統理論及換檔品質的問題,改進了換檔執行機構,用模糊控制方法對換檔品質進行了優化。
  8. Study on shift quality of automated mechanical transmission

    電控機械式自動變速器換檔品質的研究
  9. The optimization theory, optimum dispersion value, dispersion direction and the factors affecting on the imaging quality of planar image in wavelength multiplexing optical fiber image transmission system was deeply and th eoretically analyzed as the emphases in this article, and at the same time through the development of true optical fiber image transmission system ( optical fiber periscope ), the studying of making the image quality optimization of optical fiber image transmission system being useable and been used in engineering was completed

    其中,重點對波分復用光纖傳像系統二維圖像的像質優化機理、最佳色散量與最佳色散方向的選擇,以及影響系統成像效果的各種主要因素進行了深入的理論分析;並結合實際光纖望遠系統? ?光纖潛望鏡的研製,完成了光纖傳像系統像質優化的實用化、工程化實現研究。
  10. Because mpeg video need more storage space ( though achievements in compression algorithms have decrease it to a reasonable degree ), high transmission bandwidth, low transmission delay and delay jitter ( especially to real - time video ). how to guarantee video transmission qos ( quality of service )

    如何在寬帶ip和atm網路上有效地傳輸mpeg視頻,才能有效地保證視頻傳輸的服務質量參數qos (如延遲、延遲變化等) ,以及用戶終端表示的表現質量參數qop ,一直是近年來學術界研究的熱點。
  11. Mpeg - 2 transport stream multiplexer takes an important role in hdtv system. its performance has a great influence on the program transmission ability of hdtv system and the decoding quality of decoder in hdtv receiver

    Mpeg - 2傳送流復用器是hdtv系統的重要組成部分之一,它將多路節目傳輸流復用成一個多路節目的傳輸流。
  12. Based on the research project of my tutor the application of a new unified power flow controller in extra high voltage transmission lines operated in two phases, the existing principle of upfc and methods of the transmission lines operated in two phases, put the new upfc into hai - jin - jia 330kv extra high voltage transmission lines based on perfecting the framework of main net located in west of river in gansu which can improve the quality of electric power and ensure power transmission or transfer between the main net of gansu and the area of west of river

    本文綜合分析了海-金-嘉330kv超高壓輸電線路在正常運行和故障情況下的諸多問題,在upfc的現有成果和非全相運行現有方案的基礎上,結合導師的研究課題? ?新型統一潮流控制器在超高壓輸電線路非全相運行中的應用。提出在完善甘肅河西主網架結構的基礎上,將新型的upfc應用於海-金-嘉330kv超高壓輸電線路,可以較好的解決電壓質量問題,確保甘肅主網與河西地區電網的功率傳輸、轉換。
  13. Subsequently, taking into consideration the characteristics of audio data over internet including delay, jitter, packet loss and etc., we propose a series of methods for solving this above problems, such as pre - storage technology, buffer technology, dynamic adjustment of the voice - coding rate to the state of network and integrated media synchronization playing mechanism, and etc. in the end, simulation on 10 / 100m lan is made using the above methods, and the result of the experiment demonstrates the method has good performance and can improve the quality of the audio data transmission

    其次本文還深入研究了語音數據在非實時的internet數據網上的傳輸特性,這些特性包括延時、延時抖動、數據包丟失等。在本文的設計方案中提出了針對這些問題的解決方法,包括預取機制、設置緩沖區技術、動態速率調節技術以及媒體綜合同步播放機制等。最後採用這些方法在10 100m局域網上做了模擬實驗,實驗結果表明本文提出的方法是有效的,在網路狀況惡劣的情況下能夠改善語音播放質量。
  14. Experimental result demonstrate that the method mitigates the impact of bandwidth variety and is also improves the quality of multimedia transmission service

    實驗表明該方法解決了有效帶寬變化對視頻傳輸的影響,很大程度上提高了多媒體傳輸的質量。
  15. The mpeg - 2 encoding equipment is one of the key equipments which is used to transmit the digital tv signal, which quality will effect directly to the quality of broadcasting and tv transmission

    Mpeg - 2編碼器就是電視信號傳輸數字化的關鍵設備之一,其性能直接關繫到廣電傳播的質量。
  16. Full - sealed assembling capacitor is applied to ac power system 50 60hz with rated voltage of 6kv 10kv 35kv for improving power factor and quality of power grid, reducing transmission loss and raising the efficiency of power transmission transformation facilities

    全密封集合式並聯電容器,主要用於工頻50hz或60hz ,額定電壓6kv 10kv及35kv的交流電力系統中用來提高功率因數改善電網質量降低線路損耗,充分發揮輸變電設備效能。
  17. High - energy laser system involves an optical train consisting of reflectors and windows, in which temperature increment, stress and deformation may happen because of the absorption of some fraction of the incident laser beam - energy so that the beam quality and transmission of energy to far - field will be affected

    高能激光系統中,由一系列反射鏡和窗口組成的「光學鏈」 ,不同程度地吸收部分激光能量,產生溫升、應力和變形,影響光束質量和光能量的遠場傳輸。
  18. Through analyzing the influence of the precision gearing system on dynamic and static quality of servo system, the calculation formula of transmission error and return difference have been further analyzed and the measures how to reduce them have been proposed

    作者在分析精密齒輪傳動裝置對伺服系統動態品質和靜態品質影響的基礎上,還進一步分析了傳動誤差、傳動回差的計算公式,提出了減小誤差的措施。
  19. ( 3 ) apply the standard for measuring mechanism ’ s quality of transmission to the optimum design of cam - linkage mechanisms

    ( 3 )將機構傳動質量指標應用於凸輪連桿機構的優化設計。
  20. The video application based on networks became more popular according to improvement of the technology and resource of network, and requirement for new technology of video transmission via network is imminent. improving the quality of transmission in network became an active field of research currently

    隨著網路技術與資源的發展,基於網路的各種視頻應用越來越普遍,對于網路視頻傳輸技術提出了更高的要求,因此提高基於各種網路類型的實時視頻業務傳輸質量,成為當前研究的熱點領域之一。
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