optical fiber transmission 中文意思是什麼

optical fiber transmission 解釋
光纖傳輸
  • optical : adj 眼的;視覺的;視力的;幫助視力的;光學(上)的。 optical activity 【物理學】旋光性。 an optic...
  • fiber : n. 〈美國〉 = fibre。
  • 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 feature of optical fiber transmission system and its effect on the solar radio heliograph are analyzed in this article

    摘要分析了光纖傳輸系統的特性,及其對太陽射電頻譜日像儀的影響。
  2. According to the transmission requirement of solar radio heliograph, four transmitting schemes are compared and an analog optical fiber transmission system is chosen as the final mechanism

    根據日像儀系統的傳輸性能要求,對四種光纖傳輸方案進行了綜合比較,最終選擇模擬光纖傳輸系統作為建設方案。
  3. 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。
  4. The secret key transmission method adopting ternary optical fiber communication was proposed

    6 、提出了利用三值光纖通信實現密鑰安全傳送的方法。
  5. Our results show that pmd induces pulse broadening randomly in high bit - rate optical fiber communications ; the synchronous amplitude modulation control may correct directly any position change of timing jitter and soliton interaction, so the transmission distance and pulse quality will increase further

    研究結果表明對于高速率傳輸系統, pmd對脈沖的影響在時域上表現為脈沖形狀的展寬,這種展寬是隨機的;而同步幅度調制是在時域上,將發生形變的脈沖通過振幅調制,恢復原形,從而提高脈沖的傳輸性能。
  6. With the increasing requirements for detecting distance, photoelectric module, including light source and modulation, can be put under water to reduce the loss of light power in the optical fiber transmission and transmit the detected signal to the signal processing workstation on the shore. optical transceivers must be applied to realize the low - rate optical communication between the workstation on the shore and the long - distance photoelectric modules under water

    隨著光纖水聽器陣列技術的發展,可將光源與調制部分作為遠程光電模塊置於水下,減少光纖傳輸過程中光波信號的損耗,而直接將光纖的探測信號傳回岸基工作站進行處理,以增加光纖水聽器的探測距離。
  7. The thesis is focus on the research of the optical - fiber differential current protection that can adapt to the rapidly changing power grid. it mainly contains the following four parts : ( 1 ) theoretical analysis of some operation criterions and some factors that influence the operation of the differential protection. ( 2 ) simulation of a 500kv transmission line using emtp software

    其主要內容是: ( 1 )對影響差動保護靈敏度的各種因素和不同的電流差動保護判據進行了理論分析; ( 2 )用emtp模擬軟體對差動判據進行了數據模擬,並用matlab對輸出結果進行了詳細的可視化分析; ( 3 )分析、比較了國內外縱差保護的數據采樣同步方法; ( 4 )對判據進行了實際的編程實現和動模模擬。
  8. Generally speaking, there are two types of optical fibers for mid - infrared laser transmission. one is solid - core optical fiber and the other is hollow waveguide

    目前研究傳輸紅外激光光纖一般分為兩類:紅外實芯光纖和紅外空芯波導。
  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. In the paper, transmission loss, polarizing and nonlinear characters ( chiefly about srs spectrum ) in highly single mode silicon elliptical optical fiber and circular optical fiber are experimentally and theoretically researched

    本文對石英系單模橢芯和圓芯光纖的傳輸損耗特性、偏光特性、非線性特性(主要是srs譜)進行了系統的實驗研究和理論分析,給出了實驗裝置和測試原理。
  11. Design amp; amp; application of optical fiber composite ground wires in high voltage transmission line

    光纖復合架空地線在高壓送電線路中的設計應用
  12. Main products include : adjacent channel head - end equipment, two / single - way cable transmission amplifier series equipments, two / single - way optical fiber transmission series equipment, controlling software of catv subscriber addressing management system, two - way hfc network passive equipment and hfc network, and telecommunication workstation series product

    主要產品有:智能化前端設備、雙(單)向電纜傳輸放大器系列設備、雙(單)向光纖傳輸系列設備、有線電視網路管理及用戶管理系統設備和雙向hfc網路無源器材及相關的系列專業軟體、服務軟體、通信直放站等系列產品。
  13. Temperature adaptability test and evaluation for optical fiber transmission performance

    寬溫度范圍光纖傳輸性能溫度適應性試驗與評價
  14. With the recent developments in multi - media services, computer networks and wireless access, the need for external modulation in optical fiber transmission systems has been firmly established

    隨著多媒體技術、計算機網路和無線業務的發展,使得高速電光調制器的需求大大增加。
  15. Development of uncompressed multichannel digital video optical fiber transmission system

    無壓縮多路數字視頻光纖傳輸系統的研製
  16. Especially, linbo _ 3 optical modulators, using m - z waveguides and traveling - wave electrodes, are essential for high - speed and long - haul optical fiber transmission systems since the wavelength chirp is very small and the effect of the fiber dispersion is minimized

    採用行波電極的m - z型外調制器調制速率高,波長的啁啾噪聲理論上為零,幾乎不受光纖色散的限制,已成為高速長距離光纖傳輸系統必不可少的器件。
  17. Especially, linbo3 optical modulators, using m - z waveguides and traveling - wave electrodes, are essential for high - speed and long - haul optical fiber transmission systems since the wavelength chirp is very small and the effect of the fiber dispersion is minimized

    採用行波電極的m - z型外調制器調制速率高,波長的啁啾噪聲理論上為零,幾乎不受光纖色散的限制,已成為高速長距離光纖傳輸系統必不可少的器件。
  18. The application of optical fiber transmission in the signal transmission of seismic stations

    光纖傳輸在地震臺信號傳輸中的應用
  19. Since the corning company of usa has succeed in developing the first practical silicon optical fiber in the world at the beginning of the seventies of the 20th century, the optical fiber communication taking optical fiber as media and optical fiber transmission technology has been fast developed

    自20世紀70年代初美國康寧公司成功地研製出世界上第一根實用化石英光纖以來,以光纖為媒介的光纖通信以及由此派生出來的光纖傳輸技術得到了飛速的發展。
  20. The characteristics of the optical fiber transmission theory are offered, and pointing out emphatically the loss and the chromatic dispersion is the main performance indexes which influence the optical fiber transmission. the loss limits the distance of the optical fiber transmission systematic, the chromatic dispersion limits the capacity of systematic transmission

    2 .分析了光纖傳輸特性,並著重指出了損耗和色散是影響光纖傳輸的主要性能指標,損耗限制系統的傳輸距離,色散則限制系統的傳輸容量。
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