optical transmission device 中文意思是什麼
optical transmission device
解釋
光傳輸設備- 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...
- 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；...
- device : n. 1. 設計，計劃；方法，手段。2. 〈pl. 〉意志，慾望。3. 謀略，策略，詭計。4. 器具，器械，設備，裝置。5. 圖案，圖樣；花樣；紋章；標記，商標；（紋章上的）題銘。
-
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。 -
Gas permeability tester and mechanical folding device were developed to study the barrier property and deformation failure behaviors. the surface characterization, chemical structure, optical, mechanical properties of pet coated with dlc have been investigated by x - ray photoelectron spectroscopy ( xps ), contact angle measurement, light transmission analysis, nanoindentation and friction wear tests
通過x射線光電子譜分析、接觸角測定、光學透過率分析、納米壓痕、摩擦磨損試驗、機械彎折試驗、氣體透過率試驗，對膜層的表面特徵，光學、力學及氣體阻隔性能進行了系統的研究。 -
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。 -
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。 -
Especially with the development of wavelength division multiplexing and dense wavelength division multiplexing systems which are to improve the transmission speed and capacity in optical fiber communication, tunable filter as an important device of such systems is caused attention by research department
未來的光纖通信必以增大傳輸速度及容量為目的，而近幾年發展比較迅速的wdm及dwdm系統正是以此為目的，因此濾光片作為其中的一個關鍵部件成為研究的熱點。
分享友人