視波長 的英文怎麼說

中文拼音 [shìzhǎng]
視波長 英文
apparent wave length
  • : Ⅰ動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
  • : 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;...
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  1. Rhodopsin is similar in both structure and absorption characteristics to the cone pigments most sensitive to wavelengths in the middle of the visual spectrum, and it evolved from those pigments hundreds of millions of years ago

    就構造與吸收光譜特性而言,紫質與中錐色素最為相似;幾億年前,紫質從這些中錐色素演化了出來。
  2. The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers

    在被動激光偵察告警中,對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或場內接收的背景光輻射很強時,脈沖激光信號到達探測器的能量很小,會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法,可對強烈背景光中的激光威脅信號進行探測和告警,並給出其參數。
  3. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度探測儀器中,工作介於0 . 86 m 2 m ,探測角度選取前向25度40度時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。
  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和光譜范圍。
  5. A mass of research documents have shown that visual function deteriorates with age both in human beings as well as in animals

    摘要研究顯示,隨著年齡的增,人及動物的許多覺功能出現衰退,表現出銳度、對比敏感度和敏感性下降以及雙眼覺能力減弱。
  6. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。
  7. Secondly, other parameters such as temperature difference and emissivity of target and sky, molecular absorptive transmittance, instantaneous field of view ( ifov ), contrast threshold and radiant wavelength are discussed in detail

    然後,對目標天空背景溫差、發射率,氣溶膠衰減系數,瞬時場、對比度探測閾值以及輻射等參數作了詳細討論。
  8. With the joint action of the q - switched pulse laser of 532nm and continuous probe light of different wavelengths, fast photoresponse characteristic of photocycle of a wild - type br film ( wt3 ) and photoabsorption characteristic of different intermediary in the photocycle are analyzed and discussed. the optical switch action in the microsecond scale is observed in the experiment

    在532nm的調q脈沖激發光和不同的連續探測光作用下,分析和研究了野生型的細菌紫紅質( wt3 )膜的光循環過程中的快速響應特性及各中間態的快速光吸收特性,得到了微秒級的快速光開關結果。
  9. 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和調制時間的響應特性。
  10. 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的吸收能力不同,而且,每個色素的差異在於其吸收光譜,也就是對不同的吸收率差異。
  11. We can trace four lineages of vertebrate cone pigments, named descriptively after the spectral region in which they are most sensitive : long - wavelength, mid - wavelength, short - wavelength and ultraviolet

    我們可以追溯出脊椎動物四種錐細胞色素的演化路徑,名稱分別反應出它們最敏感的光譜段:、中、短與紫外光。
  12. A visual pigment may absorb two wavelengths equally, but even though their photons contain different energies, the cone cannot tell them apart, because they both cause the retinal to change shape and thus trigger the same molecular cascade leading to excitation

    同一個色素可能對兩種不同的吸收能力一樣好,但即使這兩種的光子能量不同,錐細胞也無法將之區分開來,因為這兩種光都會改變黃醛的形狀,因而引發同樣的分子事件,造成錐細胞的興奮。
  13. Linear frequency modulated continuous wave ( lfmcw ) radar has many characteristics of simple structure, small volume, light weight, low cost, low transmitter peak power, short wavelength, thus it is especially suitable to be used in radar image, research of target characteristic, end control and guide, battlefield spy, scene watch etc. and more people in the world interested in it, it will have a wide prospect

    線性調頻雷達具有結構簡單、體積小、重量輕、造價低、發射峰值功率低、短等一系列優點,特別適合於雷達成像、目標特性研究、末制導、戰場偵察和場面監等領域,目前已受到國內外的廣泛重與研究,應用前景十分誘人。
  14. The applications of organic semiconductor as active layers in light - emitting devices offer several prominent advantages such as high efficiency, high brightness and low cost. another advantage is that the emitting wavelength can be chemically tailored due to the band gap

    有機半導體微腔調諧發光器,發射光可通過分子設計調節,在紫外到紅外的范圍內可調,實現全色光發射,受到人們的重
  15. Over - the - horizon radar ’ s beam - frequency is high frequency band and its wavelength is so long that the annate ’ s characters are very complicated when applicated on the ship. the character of coupling between cells and the environment must be measured to compensate in the radar signal process step. the ship - based over - the - horizon radar uses cfa ( crossed field antenna ) as array antennas ’ cell

    艦載超距雷達使用高頻信號作為發射頻率,其,在艦船有限的空間內,陣列天線的陣元之間的耦合與陣元與背景之間耦合都十分嚴重,必須測量陣列天線通道的幅相一致性,作為雷達信號處理的補償參數。
  16. Because waves can vary from 18 feet for channel 2 television to three inches for cellular telephony, proper antenna length is key to reception

    因為電從第二頻道電用的5 . 5公尺到行動電話用的7 . 6公分都有,所以適當的天線度正是收訊品質的關鍵。
  17. Each wavelength of optical radiation has an associated threshold retinal exposure level that must be exceeded in order for retinal damage to be observed - shorter wavelengths are more effective in that less energy is needed

    對應每種的光都有一個極限值,超過這個極限值才能使網膜受到損害.對于較短的光幅射,這個極限值的能量強度較低
  18. Sound, for example, is usually stratified : it can be thought of as the sum of waves of various wavelengths, each of which ripples through a room as though the others were not even there

    例如聲音,通常也是有層次的:它可以為是多種疊加,而每道在空間中傳遞時並不會受到其他動的影響。
  19. Blind eyesight ; visible wavelength are logically flawed arrangement ; it should be “ blind people ”, “ visible radiation ” instead

    即光是可見的,但是不可見的;可以說人是瞎子,但不可以說力是瞎的。
  20. In these kinds of small enclosures, scattering and diffraction in the course of sound radiation could n ' t be ignored

    對于這類封閉空間,聲音的低頻成份的與空間尺寸相當,聲音在傳播過程中發生的散射、衍射等現象不容忽
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