wavelength spectrum 中文意思是什麼

wavelength spectrum 解釋
波長譜
  • wavelength : 【無線電】波長。
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. The absorption characteristics was that the surface plasma absorption peak appeared around 570 nm shifted to a short wavelength and strengthened as the cu composition increased. but the maximal shift range of the absorption - edge preponderated over 500 nm, and leaded that the dipolar plasma resonance absorption peak were covered up and gradually disappeared in the absorption spectrum. we theoretically explained the mechanism of the modulating action

    實驗觀察到cu表面等離子體共振吸收峰位在570lun附近的吸收邊頻移量超過了500nln .理論分析表明,吸收峰位的移動主要源於偶極共振,而峰形的寬化主要由納米粒子的表面效應和量子尺寸效應引起
  2. A particular spectrum line corresponds to a certain definite light wavelength.

    某特定的譜線就代表一個確定光的波長。
  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. This paper describes a new method to select these parameters, including to determine the focus length, relative aperture and field of view of new optical system in design by means of making reference to previous star sensors and their optical systems ; to forecast the acquiring probobility of star sensor in accordance with selected param eters ; to determine the principal design wavelength and spectral coverage by means of integrat ing the spectrum of stars

    本文介紹一種確定光學系統參數的新方法,包括通過參考比較已有星敏感器及其光學系統特性來選取新光學系統焦距、相對孔徑和視場;根據所選取的參數預計星敏感器的捕獲概率;採用綜合恆星光譜方法確定光學系統中心波長和光譜范圍。
  5. With the rapid development of optical fiber communication technology, low - cost and high quality near infrared laser and light emitted diode working at room temperature become widely available. the emit wavelength from these light resource is not only consistent with the three low - decay windows of fiber optics, but also with many wide - frequency or recombination absorption spectrum of environmental and industrial gases

    光纖通信技術的發展使相對低價、工作于常溫、高質量的近紅外激光器和發光二極體可廣泛獲得,這些發光光源的發射波長與光纖的三個低損耗窗口相一致,也與許多環境和工業氣體的泛頻或復合吸收譜線相一致。
  6. But for the final energy structure of er3 +, property of edfa ' s gain has its inherent disadvantage : edfa ' s gain is different vs wavelength, in other words, its gain spectrum is not ideally flat, so the output signal will be different if the input signal have the same power

    但是由於edfa中工作物質鉺離子能級結構的影響, edfa對光信號的放大特性也有其固有的缺陷: edfa對不同波長的光信號的增益並不完全相同,即其增益譜不平坦,因此一組強度相同的光信號經過放大后的強度會有所不同而產生偏差。
  7. Specific regions of the spectrum can be identified by any one of three basic parameters: frequency, wavelength, or energy.

    頻譜的特性可用頻率、波長或能量三個基本參數中的任何一個來表示。
  8. Output power equalization of laser dual spectrum lines is a special requirement which is put on its laser source by two wavelength beat - wave absolute distance interferometry

    摘要雙譜線功率一致性是拍波干涉測長方案對激光光源提出的特殊要求。
  9. Then some cavity quantum electro - dynamic ( cqed ) effects are studied by experiment. the photoluminescence ( pl ) intensity enhancement at resonance wavelength and suppression at off - resonance wavelength, emission spectrum narrowing as well as emission intensity redistribution in space are observed in the microcavity device fabricated with distributed bragg reflector ( dbr ) and silver mirror as well as that done with two silver mirrors

    分別在帶有dbr結構的平面微腔及全金屬鏡構成的平面微腔中觀察到了諧振模式處的輻射增強及非諧振模式處的輻射抑制,發射譜線窄化以及輻射強度空間分佈重組等腔量子電動力學現象。
  10. Multiply these uv intensities by the weighting factors at the corresponding wavelengths in the erythemal action spectrum red line in figure 2 to reflect the human skin s response to each wavelength,

    將不同波長的太陽紫外線強度乘紅斑作用光譜曲線內對應的加權數值以反映人類皮膚對紫外線的反應,
  11. The results show that the fiber with chromatic dispersion that is a convex function of wavelength in normal dispersion region is favorable for generating a flat sc spectrum

    發現在光纖的正常色散區,色散曲線與波長的成凸型函數關系的色散特徵,有利於平坦光纖超連續譜的產生。
  12. The photoabsorption properties of three kinds of br molecule films ( the wild - type br, the chemical enhanced br, the gene - variant br ) are investigated by measuring their absorption spectrum. using the gene - variant br film as a light - modulator, by the experiment of write - readout image and the analysis of image contrast, the light - modulated property of the modulator is studied. the relationship between wavelength of the modulated light and response time of the modulator is discussed emphatically

    本論文概述了細菌視紫紅質分子結構、功能特性及研究發展的歷史與現狀,介紹了目前已有的和潛在的一些重要應用,通過對吸收光譜響應特性的測試研究了三類br分子薄膜(野生型,化學修飾型,基因修飾型)的光吸收特性,通過圖像的記錄/讀取實驗及圖像的對比度分析探討了基因改性型br分子薄膜的光調制特性,著重研究作為一個光調制器件對調制波長和調制時間的響應特性。
  13. Some wavelengths are absorbed better than others, and each visual pigment is characterized by a spectrum that describes how absorption varies with wavelength

    這是因為錐細胞對不同波長的吸收能力不同,而且,每個視色素的差異在於其吸收光譜,也就是對不同波長的吸收率差異。
  14. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性,給出新型長周期光纖光柵諧振峰幅度和位置的調節量,使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。
  15. By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm

    在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提出的隧道級聯思想,成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜的譜線寬度約3nm ,未鍍膜器件單面最大輸出光功率可達2w以上,閾值電流最低達120ma 。
  16. Because of the universe ' s expansion, the light from distant sources has been stretched, shifting its wavelength toward the red end of the spectrum

    因為宇宙膨脹的緣故,來自遠處的光會被拉長,因此波長將會往光譜的紅端偏移。
  17. A gas - jet - type vuv source that can give a spectrum in the wavelength range of 5 ~ 200nm was used in this paper to research of vuv radiation effects on upilex films which used as canopy of the space inflatable antennas and al / kapton films

    利用射流式真空紫外地面模擬設備研究了5 200nm波長范圍內的真空紫外輻照對al / kapton薄膜與空間充氣展開天線透射面材料upilex薄膜的性能影響。
  18. 4. spectrum database has been built for reasearch areas, resample the spectrum of different object in spectrum database according to the centric wavelength of the select bands

    建立了研究地區內典型地物的地物光譜庫,並分別地物按所選波段的中心波長進行了光譜重采樣。
  19. At the beginning of this thesis, the principle of fiber fabry - perot strain sensor is presented briefly, and the influence on the results of the peak - to - peak algorithm, brought by the spectrum distribution of light source, wavelength quantification or the noise in the output of the fabry - perot sensor is investigated. the limitation of the peak - to - peak algorithm is pointed out

    論文首先闡述了光纖法珀應變傳感器的測量原理,分析了實際光源光譜的非均勻分佈、波長量化和傳感器輸出信號中的噪聲等對波長域的條紋峰值解調演算法的應變測量結果的影響,深入分析了條紋峰值解調演算法的局限性。
  20. The emission spectrum under 970 nm ld excitation have also been acquired. in this spectrum, only a strong emission near 1540 nm wavelength can be observed

    我們在發射波長為970nm的半導體激光器激發下< wp = 6 >測量了這種材料的發射譜,觀察到在紅外波段1540nm處有強發射峰。
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