wavelength loss 中文意思是什麼

wavelength loss 解釋
波長損耗
  • wavelength : 【無線電】波長。
  • loss : n. 1. 喪失；丟失，遺失。2. 減損，損失，虧損（額）；損耗；減少，下降。3. 失敗；輸掉。4. 錯過；浪費。5. 損毀；【軍事】傷亡；〈pl. 〉 傷亡及被俘人數。
  1. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁，由於每排金屬孔孔間距遠小於波長，因此由縫隙泄漏的能量很小，這相當于內部填充了介質的矩形波導，所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現，比如功分器、濾波器、天線、耦合器、振蕩器等。
  2. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  3. The character of fiber laser spectrum is measured by optical spectrum analyzer. the experiment approves the relationship of loss, threshold and lasing wavelength, which is that the higher loss, the higher threshold, and the shorter lasing wavelength

    我們用光譜儀測量了激光光譜特性，實驗研究了腔損耗及閾值和激射波長的關系，即損耗越大閾值越高，激射波長越短。
  4. Because the photospheric temperature of carbon stars are less than 3000k and the temperature of rich - dust envelope formed by the mass loss is lower, and therefore most of the energy from carbon stars are radiated between 1 to 60um range, in which the vibrational and ro - vibrational bands of many molecules also lies, the study of infrared spectra in this wavelength range is very important to reveal chemical compositions, dust formation process, the atmospheric structure and evolutionary status of stars

    碳星光球的有效溫度不超過3000k ，同時較大的質量損失率形成了富碳的塵埃殼層，以致於它的輻射能量主要集中在1 ? 60 m的紅外波段上，並且許多分子的轉動振動能譜也集中在紅外，因此在紅外波段的研究對揭示碳星化學成份及其分佈、塵埃形成過程、恆星大氣結構和演化狀態都有十分重要的意義。
  5. In dwdm system, awg is the most promising wavelength multi / demultiplexer, and what influence the performance of awg most is the structure design and device processing. awg ' s performances are crosstalk, insertion loss, temperature shift and pdl ( polarization dependence loss )

    在dwdm系統中，陣列波導光柵（ awgarrayedwaveguidegrating ）是最具應用前景的波分復用解復用器，影響awg器件性能的關鍵因素是它的結構設計方案和工藝製作過程。
  6. 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。
  7. Fiber bragg grating ( fbg ) sensor is a wavelength - encode sensor. it has many unique characteristics, for example it can be immune from light source disturbance and system loss, now it is one of the current heat research fields in the optical fiber sensing fields

    布拉格光纖光柵（ fbg ）傳感器屬于波長調制型光纖傳感器，具有不受光源功率波動和系統損耗等獨特的優點，成為目前光纖傳感領域的研究熱點之一。
  8. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependence of attenuation and return loss

    纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.波長衰減函數和回波損耗
  9. Chapter 2 uses two ways to address the issues of qos based resource allocation in ip over wdm networks. firstly, for optical - layering approach, we propose a novel priority - based wavelength assignment algorithm. by calculating the relative capacity loss, we manage to assign wavelengths so as to guarantee the blocking probability of the high priority requests to a lower degree, and at the same time with the least influence on the lower priority

    基於此，首次提出了利用全網信息而支持優先級的波長分配演算法，由於利用了全網信息，在保證較高優先級請求的阻塞性能時，還對較低優先級請求的阻塞性能進行了優化，從而改善了全網的平均阻塞率；另一個為基於mpls技術的方法，提出了支持不同qos要求的vpn業務的設計問題。
  10. Because this wavelength coincides with the minimum loss window of conventional silica - based optical fiber, many works are currently devoted to the study of er doped materials

    由於此波長與常用的si基光纖的最小傳輸窗口對應，因而吸引了許多研究者從事er摻雜材料的研究。
  11. Fiber gratings have several distinguished advantages, such as compare with fiber, low loss and high responsibility. as sensing element, they encode the sensing information in a wavelength form, which are their distinguished advantages over other transducers. that not only make the sensing information does not depend on loss of the system or fluctuation of then source power but also decrease the cost of sensing system and realize multipoint and distributed sensing

    光纖光柵與光纖之間存在天然的兼容性，它不僅具有易與光纖連接、低損耗、光譜特性好、可靠性高等特點，而且作為傳感元件，它具有其它傳感器無可比擬的優點，即感應的信息用波長編碼，而波長這個絕對參量不受光源功率的波動、連接或耦合損耗的影響。
  12. It can be seen from the analyses that light with different wavelength has different losses when it propagates in different waveguide and light with same wavelength also has different loss when it propagates in different waveguide

    從模擬結果可以看出，不同波長的光在同一介質中傳播時的衰減程度不一樣；而同一波長的光在不同波導中傳輸時的損耗也不一樣。
  13. Standard wavelength or customer specify, low insertion loss, different package optional. optional connector type

    標準波長或客戶指定，低插入損耗，不同包裝可選.可選連接器類型
  14. One of the key techniques is the detection of near infrared ( 1310nm and 1550nm ). because the quantum key is transmitted by one photon, and 1310nm and 1550nm infrared are the lost loss wavelength in fiber. we can detect the visible light now, but it is difficult to detect the near infrared because of its low energy

    量子通信的關鍵技術之一就是紅外（ 1310nm 、 1550nm ）單光子探測，這是因為光量子密鑰傳輸是採用單個光子來實現的， 1 . 3微米和1 . 5微米是現在所使用的光纖通信中損耗最小的波長，現有成熟的單光子探測器工作波長都是在可見光波段，而紅外光子因為能量小，信號非常微弱，極易被噪聲淹沒，因而非常難探測到。
  15. As having advantages such as littler inserting loss, better wavelength selection and absolute coding, fbg has bright prospects of applications in fiber communication and sensing

    由於它具有插入損耗小、波長選擇性好及傳感信息對波長絕對編碼等優良特性，因而在光纖通信及傳感領域有著廣闊的應用前景。
  16. As a sensor, fbg can be immune from light source disturbance and system loss by transforming sensing information into its reflecting wavelength shift

    作為傳感元件，光纖光柵將被感測信息轉化為其反射波長的移動，即波長編碼，因而不受光源功率波動和系統損耗的影響。
  17. Fbg can be immune from light source disturbance and system loss by transforming sensing information into its reflecting wavelength shift, which has the characteristic of wavelength coding

    由於它能將被感測信息轉化為其反射波長的偏移，即具有波長編碼的特性，因而不受光源功率波動和系統損耗的影響。
  18. Compared with d - shaped fiber, the d - shaped fiber bragg grating index sensor is more precise and reliable because the sensed information is encoded into wavelength, which is an absolute parameter, the output does not depend on the light levels, loss in the connecting fibers and couplers, or source power

    光纖布喇格光柵傳感器以波長偏移和功率變化同時作為傳感度量，由於波長檢測對光功率漲落不敏感，相對于只以功率變化作為傳感度量的傳感器件，具有更高的傳感精度和準確性。
  19. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependance of attenuation and return loss

    光纖互連設備和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.衰減和回程損耗的波長相關性
  20. Details of dcfs with the rip is analyzed, including the relation of dispersion and wavelength, variation of dispersion in the c - band, cutoff wavelength of the basic mode, distribution of scalar field and power, macro - bending loss at 1550nm. based on the optimized rip, impaction of radius of core and width of depressed cladding is studied. at the s ame time, a wavelength devision multiplexing system is designed

    接著對這種結構的光纖作了分析，包括它的色散與波長之間的關系，色散在c - band的變動范圍，標量場的分佈，基模在光纖中的功率分佈，在1550處的宏彎損耗等。
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