fiber bandwidth 中文意思是什麼

fiber bandwidth 解釋
光纖帶寬
  • fiber : n. 〈美國〉 ＝ fibre。
  • bandwidth : （帶寬）：電纜，鏈路或系統傳輸數據的能力。
  1. The systems allow carriers to offer more high - bandwidth data services over their existing fiber - optic access and interoffice networks

    這些系統允許電話公司在現有的光纜接入和局間網路上提供更多的高帶寬數據服務。
  2. Because the wdm technology can fully utilize the enormous bandwidth of the optical fiber, the cost for transfering data can be greatly decreased. this enables wdm technology to be the most attractable technology in wide backbone network. it is predicted that in the near future, the wdm technology will be widely used in other networks

    Wdm技術對光纖巨大帶寬的充分利用可以導致傳輸數據的價格大幅度的降低，這使它已經成為廣域骨幹網路中最具吸引力的技術，而且可以預言在不遠的將來，它還會在其他網路領域中得到更廣泛的應用。
  3. Because this technology can fully utilize the enormous bandwidth of the optical fiber to transfer the data, the price for transfer data can be greatly decreased. this enables it to be the most attractable technology in wide backbone network. it is predicted that in the near future, the wdm technology will be greatly used in other networks

    Wdm技術對光纖巨大帶寬的充分利用可以導致傳輸數據的價格大幅度的降低，這使它已經成為廣域骨幹網路中最具吸引力的技術，而且可以預言在不遠的將來，它還會在其他網路領域中得到更廣泛的應用。
  4. In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively

    而melp語音壓縮編碼演算法是在線性預測編碼參數模型的基礎上，採用混合激勵的形式，並且結合了多帶的思想，因此它擁有線性預測編碼和多帶激勵的優點，是目前低速率語音編碼中一種比較理想的編碼方案，也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理，對它的編解碼過程作了比較深入的研究，對其中的一些公式進行了理論推導，並作了模擬分析，最後研究了該演算法的c語言實現。
  5. The long - awaited day of fast, cheap bandwidth to the home and small office appears to be just around the corner as phone companies and cable companies scramble to deliver high - speed, low - cost telecommunications, running any of a slew of digital subscriber link ( dsl ) technologies and fiber / coaxial cable hybrids up to your front door

    人們等待已久的、快速廉價的帶寬線路接進家庭和小型辦公室的日子，看來為期不遠了，因為電話公司和有線電視公司爭相要把高速、低價的通信線路送到你的大門上，這些線路採用數字用戶線（ dsl ）技術中的任何一種和光纜/同軸電纜混合線路的形式。
  6. Based on our theoretical predictions, we find optimal splicing parameters on fsm - 30s fiber splicer for low loss joints between erbium doped fiber and other single mode fibers. we also experimentally demonstrate a novel three - stage erbium - doped fiber amplifier with high gain, low noise figure, and high output power. finally, a prototype of a gain - clamped fiber amplifier is obtained with high gain ( 26 db ), low noise figure ( 5. 3 db ), high output power ( 17 dbm ), and large bandwidth ( 31 nm )

    文章研究了摻鉺光纖（ edf ）與其他光纖低損耗焊接問題，得到光纖熔接機低損耗熔接的最佳參數，這對摻鉺光纖放大器的科研生產具有一定的指導意義；研究了新型的三段級聯泵浦優配的摻鉺光纖放大器的優化光路結構，得到高增益，低噪聲，大輸出功率的摻鉺光纖放大器；最後研製成功高增益（ 26db ） ，低噪聲（ 5 . 3db ） ，大輸出功率（ 17dbm ） ，寬帶（ 31nm ）增益箝制摻鉺光纖放大器樣機。
  7. Fiber / coaxial cable hybrids use fiber to bring high bandwidth to the neighborhood and then switches to coaxial cable for the last few feet to the customer ' s phone

    光纜/同軸電纜混合方式用光纜將高帶寬送進社區，然後在接到客戶電話的最後一段距離上轉換到同軸電纜。
  8. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。
  9. The flatness and the bandwidth of the sc spectrum are affected by the dispersion characteristic in a sc fiber

    色散曲線的特性對超連續譜平坦度及寬度有重要的影響。
  10. Our researching work developed a high performance fast ethernet switcher with networking management, which is one of the best solution schemes of fttb ( fiber to the building ) in intelligence uptown. this ethernet switcher can give each terminal user 1 oombps network bandwidth and make two multimode fiber ports bound into a logic port

    本課題研製了一種基於網路管理的高性能快速以太網交換機，該以太網交換機是智能小區的光纖到樓的最佳解決方案之一。該以太網交換機能提供給每一個終端用戶100mbps的網路帶寬，並且能將兩個多模光纖的物理埠捆綁成一個邏輯埠。
  11. By formula about effective bandwidth, he get the bandwidth near 1540 nm wavelength, which is 64. 54nm. the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ). it is useful to improve transmitted capacity of information in fiber

    對1540nm處光譜有效帶寬的計算，得到結果為64 . 54nm ，這個帶寬已遠高於目前常用摻er硅光纖和氟化物光纖放大器的20 - 30nm增益帶寬，于擴大光纖信息傳輸容量有很大益處。
  12. In this paper, a new theoretical model is established for optical fiber pumped by broadband laser. using the new model, we have analyzed the influence of longitudinal - mode number, bandwidth and line - width of pumping source on sbs reflectivity, and pointed out the monochromaticity of pumping laser has obvious affect on optical fiber conjugator

    成功解釋了激光線寬、縱模間隔與數目對光纖中sbs過程的影響，並通過數值計算分析了sbs閾值、反射率、相對穩定性、保真度等性能參數隨著注入激光能量、脈寬以及光纖長度、芯徑的變化趨勢。
  13. Upstream channels cover in 5 65mhz, which is a part of the bandwidth of high frequency （ hf ） and very high frequency （ vhf ）. it is liable to incur noises ingress onto the band. since hfc system has the tree - and - branch topology between the fiber - node and subscriber units, subscriber units belonging to one fiber - node share the same upstream channel, forming the " noise funneling " effect

    上行頻帶位於5 - 65mhz之間，這一頻帶為高頻（ hf ）和甚高頻（ vhf ）的一部分，此頻帶易受噪聲干擾；此外，由於從光節點到用戶端為樹型分支結構，同一光節點的多個用戶共享同一通道，形成了漏斗效應。
  14. Based on the character of the eof gain at 1550 nm, a laser diode ( ld ) worked at 980 nm and acted as the pumping source, a eof employed as gain medium, and a fiber grating used as reflector, an ring - cavity all - fiber laser worked at 1562. 5 nm was demonstrated with an output power of 2. 0 mw and a bandwidth of 0

    本文主要基於摻鉺光纖在1550nm波段的增益特性，利用帶尾纖的980nm半導體激光器作為泵浦源，鉺光纖作為增益介質，布拉格光纖光柵作為諧振腔反射鏡，實現了波長為1562 . 5nm的環形腔光纖激光器，得到了2mw的激光輸出。
  15. On the basis of rate equations of frsl, power characteristics and extinction ratio of the converted light are discussed. the relation between relaxation oscillation, small - signal modulation response, modulation bandwidth and the length of fiber ring cavity is analyzed also

    根據frsl滿足的單模速率方程，討論了採用frsl進行波長轉換時轉換光的功率特性和消光比，以及frsl的弛豫振蕩特性、小信號調制響應、調制帶寬與光纖環形腔長度的關系。
  16. The long period fiber gratings have been the best choice owing to their simple structure, low insertion loss, broad bandwidth, small reflection, low cost and easier manufacture technology

    它具有結構簡單、附加損耗小、帶寬大、後向反射小、成本低等優點，並且製作技術相對較為成熟。
  17. Using the couple mode theory, the reflection spectrum, the peak reflectivity and the reflection bandwidth of several typical fiber grating filters have been theoretically analyzed and numerically simulated

    數值模擬了它們的反射譜分佈、峰值反射率以及反射帶寬隨光纖光柵的長度和光柵折射率的調制深度的變化關系。
  18. For long - haul high bit rate trunk line optical fiber communication system and metro optical fiber network, a semiconductor optical amplifier ( soa ) is the most promising component due to its all kinds of properties and small dimension, compactiveness, low drive voltage, such as in optical network solutions, polarization - insensitive semiconductor optical amplifier ( pisoa ) is a popular candidate as optical gates. but the polarization - insensitivity over large wavelength range is requested. the purpose of this thesis is to develop a soa which is polarization - insensitive and has large 3db bandwidth

    隨著寬帶傳輸和寬帶接入以及全光網的組建和發展，大帶寬偏振不靈敏半導體光放大器（ semiconductoropticalamplifier ， soa ）由於其易於與其它器件集成，體積小，具有快的動態增益響應，非線性好，飽和輸出大，可實現無損操作等特點，在光通信網路中，成為光纖通信發展，全光網組建以及wdm 、 tdm技術成熟的關鍵部件之一，其中偏振不靈敏和大的3db帶寬是性能優良soa的重要指標，也是制備的技術難點。
  19. Optical interconnects are desirable because fiber optics offer more bandwidth and carry data farther than copper, which is currently used to connect chips and move data inside a computer

    之所以如此強調光學互連的重要性是因為光纜較目前電腦中廣泛使用的銅線而言，可以提供更大的帶寬，攜帶的數據量也大很多。
  20. To study the application of rwa for dynamically provisioning bandwidth and realizing protect & restore in optical network, and the application of optimization of setup time of all - optical connection and blocking rate in multi - fiber network

    5 .研究了rwa為光網路動態指配帶寬和實現網路的保護與恢復的應用，以及全光連接建立時間和多光纖網路連接阻塞率的優化的應用。
分享友人
分享到 Line

分享到臉書