optical fiber transmission system 中文意思是什麼

optical fiber transmission system 解釋
光纖傳輸系統
  • 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；...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  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 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。
  5. In 1998, the technical consultation, the project design and realization of a few power system rojects, which are related to optical fiber communication, monitoring television and remote data transmission, also had been completed

    1998年完成多項電力系統光纖通信、監控電視傳輸系統的技術咨詢服務、方案設計。
  6. Hi accordance with the physical principle of dispersion generation, many kinds of technologies of dispersion compensation have been researched and expounded. for instance, dispersion compensation fiber technology, pre - chirpped technology, dispersion supported transmission technology, chirpped fiber grating technology, and so on. but the study of dispersion compensation technology in which the dispersion of the optical signal in every channel in the wdm system is compensated respectively is reported rarely

    針對色散的物理機理，人們研究並提出了各種色散補償技術，如色散補償光纖法、預啁啾法、色散支持傳輸法和啁啾光纖光柵法等，而對波分復用系統中各分波光信號分別進行有針對性的色散補償的研究報導還很少。
  7. The fiber raman amplifiers ( fras ) are more and more attractive for its particular virtues such as on - line, wide band, and low noise etc, and they are very fit for dense wavelength division multiplexing ( dwdm ) system of next generation charactered by its super large capacity and long transmission distance. fras are unsubstitutable in the fields such as optical fiber communication over the ocean, long haul transmission and exploitation of the entire low - loss band of fiber

    光纖拉曼放大器因其特有的在線、寬帶、低噪聲等特點而越來越被人們關注，是一種非常適合下一代超大容量、超長距離dwdm系統的光放大器，尤其是在海底跨樣光纖通信、超長距離光纖通信以及開發整個光纖低損耗窗口等方面有著不可替代的優勢。
  8. At present the usual methods of liquid level measurement is mostly based on the measurement and transmission of electrical signals, so it brings inflammable and explosive problems. according to measurement requirement under the special circumstance, the author of this paper presents the oil tank monitoring system based on the optical fiber technology

    目前常用的液位測量方法大多以電信號進行測量和傳輸，因而帶來了防燃防爆等問題。本文針對特殊工況下的測量現場要求，提出基於光纖傳感技術的油罐監測系統，它與傳統的測量系統相比，測量現場完全無電，可應用於易燃易爆場合。
  9. 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。
  10. Passive optical fiber image transmission technology is a new image transmission technology which used optical fiber image transmission bundle as the relay image transmission device, its important advantages are that it can bend the light course, and can achieve to parallel and real - time planar image soft transmission in the case of passive observation, also it can greatly simplify the structure of long light course system, and reduce the volume of optical instrument, as well as the weight of equipment, so it has wide military and civil application future

    無源光纖傳像技術是一種應用光纖傳像束作為中繼傳像器件的新型的圖像傳輸技術，其重要優點是可實現光路彎曲及被動觀察條件下并行、實時的二維圖像傳輸，並可大大簡化長光路系統結構，減小儀器體積和重量，在軍事上和民用中均具有重要廣泛的應用前景。
  11. By using optical fiber communication and information transmission based on industrial ethernet, the said system organically combines the industrial automatic control based on programmable logic controller ( plc ) with video supervison, as well as with supervision against thief and fire, having effectively realized the remote monitoring of unattended water pump stations

    系統採用光纖通訊和基於工業以太網的信息傳輸，將基於plc的工業自動控制和視頻監控、防火防盜監控有機地結合在一起，實現了對水泵站的遠程無人值守監控。
  12. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超高速dwdm密集波分復用技術的發展，本文還研究了光纖喇曼放大器的增益特性，根據光波非線性傳輸方程建立光纖喇曼放大器增益模型，通過數值模擬分析了泵浦波功率、信號輸入光功率、以及光纖有效面積和損耗對光纖喇曼放大器增益的影響，得出了一些對光纖喇曼放大器的設計有一定的指導意義的結論。
  13. This system based on optical effects is greatly superior to the traditional electromagnetic pt, ct in the following aspects : electric insulation of the low voltage side from the high voltage side through optic fiber, no electrical connection and electromagnetic interference in signal transmission, avoidance of magnetic saturation, small in volume and light in weight. it has a prospective future in the electric power system

    基於光學原理的光纖電流、電壓傳感器較傳統的電磁式pt 、 ct具有明顯的優勢：高、低壓側通過光纖隔離使得信號傳輸既無電氣連接又無電磁干擾，絕緣能力強且無磁飽和問題，體積小重量輕，在電力系統有較好的應用前景。
  14. Abstract : analyzes the performance of unipolar ocdma system using optical orthogonal code ( ooc ) considering the dispersion and nonlinearity effect of the transmission medium. theoretical analysis demonstrates that dispersion and nonlinearity effect deteriorate the system performance. the performance of ocdma system assuming dispersion - shifted fiber as transmission medium is very close to the case neglecting the dispersion and nonlinearity effect. assuming rz initial pulse and optical hard limiter are also possible solutions

    文摘:分析了基於光正交碼（ ooc ）的光碼分多址系統的性能.數值結果表明：與以前忽略光纖通道對系統性能的情況相比，在考慮了光纖的色散和非線性效應以後，系統性能有了明顯的下降.給出了一些建議方案來遏制由色散和非線性效應引起的系統性能惡化
  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. The forming mechanism of crosstalks in the tdm system was analyzed theoretically, and the relationship between crosstalks and the extinction ratio of optical pulse modulator used in the tdm system was investigated. the interchannel and intrachannel crosstalks in the wdm system were discussed separately, and the contributions to crosstalks were appraised from architecture ’ s alteration, the finite isolation between channels in multiplexers or demultiplexers, and nonlinear effects in the system. noises in the large - scale multiplexing system were studied theoretically, and all kinds of factors were considered that have relation to noises, phase resolution, and dynamic range of the system, such as multiplexing channel number, the length of the transmission fiber, using in - line erbium - dropped fiber amplifiers or not, and so on

    本文從理論上分析了光纖水聽器時分復用系統串擾的形成機理，分析了光脈沖調制器的消光比與系統串擾的關系;分別對光纖水聽器波分復用系統的異頻串擾和同頻串擾進行了理論分析，研究了光纖水聽器波分復用結構、波分復用器與解復用器隔離度等因素以及非線性效應對系統串擾的影響;對大規模光纖水聽器復用系統噪聲進行深入細致的理論分析，研究了系統噪聲、相位解析度、動態范圍與復用數目、傳輸光纖長度、中繼光纖放大器等諸多因素的關系。
  17. The topic of the evaluation and optimization of the optical fiber image transmission system which used optical fiber image transmission bundle as the relay image transmission device was roundly and deeply studied in theory in this article

    本文對以光纖傳像束作為中繼傳像器件的光纖傳像系統的像質評價與優化問題進行了全面、系統和深入的理論研究。
  18. The first generation uses the shortwave ( 0. 8 m - 0. 9 m ) and multimode fiber, and the second generation uses long wave ( 1. 3 m, 1. 5 m ) and singlemode fiber. and now the third generation uses dwdm fiber - communicating technic. sichuan wide band transmission net optical fiber system is an important project of sichuan telecom

    寬帶傳輸網從採用短波長（ 0 . 8 - 0 . 9 m ）和多模光纖的第一代光纖通信技術到採用長波長（ 1 . 3 m 、 1 . 55 m ）和單模光纖的第二代光纖通信技術發展到了今天採用dwdm （ densewavelengthdivisionmultiplexing ）的第三代光纖通信技術。
  19. The rtmaad system was integrated with digital signal processing ( dsp ), global information system ( cis ), optic time domain reflective ( otdr ) meter technology, wave division multiplexing ( wdm ) technology, etc. the rtmaad system made a realization that optical cable " s abort is auto located exactly. at the same time, the rtmaad system can monitor and diagnose both the optical terminal " s fault and power " s error of the stations of the fiber optical transmission network

    Rtmaad系統綜合應用了數字信號處理、地理信息系統、光時域反射測量和波分復用等技術，實現了光纜中斷故障的自動準確定位，同時將光纖系統傳輸站的光端設備和電源設備的監測融合到一起進行故障實時監測和診斷。
  20. In theoretically, analog optical fiber link can carry out the signal transmission transparently. however, because of the limit of the component level, during the transmission and distribution of the radar signal, noises and interferences from the optic - link may distort the signal and affect the system performance and the array signal processing

    模擬光纖鏈路理論上可以實現信號的透明傳輸，可由於受到器件水平的限制，在整個光傳輸和分配過程中，雷達信號必將受到來自光路噪聲或干擾的污染，從而產生某些畸變和失真，這些非理想因素必然對陣列系統的性能指標和陣列系統的信號處理產生影響。
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