標準波長 的英文怎麼說

中文拼音 [biāozhǔnbōzhǎng]
標準波長 英文
standard wave length
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 標準 : （衡量事物的準則; 榜樣; 規范） standard; criterion; benchmark; pip; rule; ètalon （衡器）; merits
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  1. At last the algorithm of ddmf is achieved by the investigation tool of altera company ? quartus ii and the vhdl language, and its ip core is also achieved which is used not only in the satellite navigation position system, but also in the long pn code dsss system. ddmf investigated in the dissertation gives a good way to design the rapid pn code acquisition in the beidou project, and the technology has the definite theory and practice significance

    此外還應用altera公司的最新的fpga開發工具quartusiiv5 . 1 ，採用了國際標準的硬體描述語言? vhdl語言，對數字差動匹配濾波器和傳統匹配濾波器演算法予以實現，開發了該演算法的軟ip核，可以對所應用的擴頻碼長度， a / d采樣后的數據量化階數，所用擴頻碼等可進行隨意改寫。
  2. The curtain rose on the ballet, which was one of those excellent specimens of the italian school, admirably arranged and put on the stage by henri, who has established for himself a great reputation throughout italy for his taste and skill in the choregraphic art - one of those masterly productions of grace, method, and elegance in which the whole corps de ballet, from the principal dancers to the humblest supernumerary, are all engaged on the stage at the same time ; and a hundred and fifty persons may be seen exhibiting the same attitude, or elevating the same arm or leg with a simultaneous movement, that would lead you to suppose that but one mind, one act of volition, influenced the moving mass - the ballet was called " poliska.

    大幕又垃開了，歌舞團登臺了，這是最出色最標準的義大利派歌舞團之一，導演是亨利，他在義大利全國極負盛名，他的風格和技巧一向以導演群眾場面而見長。這次上演的，是他的傑作之一，舉止優美，動作整，高雅脫俗歌舞團全班人馬，上至臺柱舞星，下至最低級的配角，都同時登臺一百五十個人都以同樣的姿態出現，一舉手，一投足，動作都非常整。這叫做「波利卡」舞。
  3. Generally, the designed channel spacing of itu - t standard in wdm systems is from 0. 8nm to 1. 6nm, which is much larger than the spacing required by actual communication bandwidth. for example in lightwave transmission systems, a sghz channel occupies only 0. 04nm at the wavelength band of 1. 55 n m. thus, most of the bandwidth in the actual transmission systems may be wasted

    Itu - t標準中wdm系統設計的通道間距為0 . 8nm - 1 . 6nm ，這遠遠大於實際使用的通道帶寬，例如一個帶寬為5ghz的通道在1 . 55 m波段只佔據了約0 . 04nm的波長范圍，因而導致大部分的帶寬被浪費。
  4. This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement

    本文根據統計疊加理論，採用ittc單參數標準海浪譜模擬模擬實際的長峰波隨機海浪，進而實時模擬長峰波隨機海浪對船舶的隨機擾動，對船舶在海浪中的橫搖和縱搖運動進行了時域模擬，得到船舶搖蕩運動的橫搖角信號（ t ）和縱搖角信號（ t ） 。
  5. The spectral and group delay characteristics are studied and the potential uses of this type of grating for wavelength selection and dispersion compensation are discussed. a novel scheme of oadm configuration based on linearly chirped moir fiber gratings is proposed. we have designed a lcmfg to compensate dispersions for eight channels at the same time

    在此基礎上，提出了一種新型的基於線性啁啾moir光纖光柵的光分插復用器（ oadm ）的結構設計方案；並設計出一種中心波長、相鄰中心波長間隔都符合itu規定的dwdm波長標準的基於線性啁啾moir光纖光柵的多通道色散補償器件。
  6. The laboratory can provide calibration service for the measurement of the wavelength of any laser having a nominal wavelength of 633 nm. calibration is performed by comparing the wavelength of the laser under test with the wavelength of the standard iodine - stabilized helium - neon laser of the laboratory

    本所可為波長標稱值為633nm的激光器提供波長測量服務。被測試的激光波長將與本所的標準碘穩頻氦氖激光器的波長比對而進行校正。
  7. Standard test method for determination of trace metals in petroleum coke by wavelength dispersive x - ray fluorescence spectroscopy

    利用波長色散x射線熒光光譜學測定石油焦中痕量金屬的標準試驗方法
  8. Before joining etsi he was head of the standardization division of the ministry of posts and telecommunications ( bmpt ) at bonn

    在加入etsi之前，布魯克先生是波恩郵電和電信部標準局局長。
  9. Standard for quality inspection and evaluation of petroleum construction engineering. telecommunication engineering toll open - wire carrier equipment installing engineering

    石油建設工程質量檢驗評定標準.通信工程長途通信明線載波電話安裝工程
  10. Standard for quality inspection and evaluation of petroleum construction engineering telecommunication engineering toll open - wire carrier equipment installing engineering

    石油建設工程質量檢驗評定標準通信工程長途通信明線載波電話安裝工程
  11. 1550nm is chosen as the work wavelength, cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system. the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system, beam divergence angle, pointing error, and error signal extraction. compared with existed optical wireless communication system, the design scheme proves applicable

    通過對通信系統工作波長選擇、光學天線選擇等闡述，選擇了1550nm作為系統工作波長、卡塞格倫（ cassegrain ）收發合一天線作為系統光學天線；通過對apt子系統功率測算、束散角和瞄準誤差、誤差提取信號等的討論，給出了apt子系統結構和理論設計指標，並將其與現有的光無線通信系統進行比較，說明該設計方案是可行的。
  12. Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length

    本論文的主要工作包括：結合光柵的矢量衍射理論和薄膜的橢偏理論，詳細分析了光柵的橢偏特性；並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片；在光柵參數的橢偏反演中，引入正單純形法作為反演演算法，分別以各向同性的正弦形金屬光柵和各向異性的階梯型光柵為例，在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演，在一定精度范圍內得出滿意的光柵參數，說明光柵參數的橢偏測量是可行的；還就入射角的選取問題進行了一定的探討。
  13. Standard test methods for chemical analysis of ceramic whiteware materials using wavelength dispersive x - ray fluorescence spectrometry

    使用波長色散x射線熒光光譜法進行白色陶瓷材料化學分析的標準試驗方法
  14. In fact, the difference is the how to expert the function of money. to get the truth and integrate the different ideas, by studying the statistics from 1953 to 2001, there have a conclusion that the length and the trend of period are similar. during the 48 years, by the standard of 10 %, there are six periods to money supply and economic growth and the periods are correspondence, especially the period of money lag the period of economic growth one year

    為了澄清這方面的問題，本文對1953年至2001年中國貨幣供應波動周期和經濟增長波動周期的周期、波長、波動趨勢和波幅進行了對比研究，發現在整個48年間，按波幅超過10的標準計量，經濟增長和貨幣波動都可分為六個周期，並在周期、波動趨勢和波幅上呈現出一定的對應性，且貨幣波動周期呈現出滯后經濟周期的特性。
  15. Standard practice for testing variable - wavelength photometric detectors used in liquid chromatography

    液相色譜用可變波長光度探測器試驗的標準規程
  16. Standard test method for wavelength accuracy of spectral bandwidth fluorescence spectrometers

    光譜帶寬熒光分光計的波長精密度的標準試驗方法
  17. Standard practice for correction of spectral line overlap in wavelength - dispersive x - ray spectrometry

    波長色散x射線光譜測定中譜線重疊修正的標準規范
  18. Guidelines for the preparation of standard routine methods with wavelength - dispersive x - ray fluorescence spectrometry

    波長散射性x射線熒光光譜分析的標準常規用法的制定指南
  19. 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
  20. Abstract : the expressway landscape and its design and studies, the shift from economic compensation of forestland to landscape compensation during the construction of high - grade highway, the measures to conduct ecological environmental protection and the relationship between highway design and living environmental protection are discussed and studied

    文摘:紫外光度法測定水中油類時在標準油品、波長的選擇以及氯化鈉用量和石油醚純度等方面存在的問題進行了探討，提出以工作曲線代替標準曲線，使回收率達到97 %左右。
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