optical depth 中文意思是什麼

optical depth 解釋
光深度
  • optical : adj 眼的;視覺的;視力的;幫助視力的;光學(上)的。 optical activity 【物理學】旋光性。 an optic...
  • depth : n. 1. 深;深度。2. (色澤的)濃度;(聲音的)低沉;(感情等的)深厚,深沉,深刻。3. 進深。4. 〈常 pl. 〉深處;深淵,深海,海。5. 正中,當中。6. 深奧,奧妙。
  1. Optical depth and optical path are often confused in the literature.

    文獻中光學厚度和光程時常混淆。
  2. Therefore able to capture at the same time observe the nanoparticles into optical tweezers technology in - depth study nanoparticles bottlenecks

    因此能夠捕獲的同時觀察納米粒子成了光鑷技術深入研究納米粒子的瓶頸。
  3. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。
  4. A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water

    本文以球形粒子的mie散射理論、 stokes矢量法以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變化;通過montecarlo方法模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變化與海水深度的關系,發現隨著海水深度的增加,散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體( lighttools )對海水中的散射進行模擬實驗,研究散射與海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明,隨著粒子半徑、粒子密度和相對折射率的增加,散射的強度將顯著增加。
  5. Ultraviolet radiation ; two stream model ; optical depth

    紫外輻射二流模式光學厚度
  6. It is found that the sensor tip with a 90 conical tip has the maximum optical modulation depth

    理論和實驗的結果表明,頂角處於90左右的光纖尖具有最大的光調制深度。
  7. Aerosol optical depth is a measure of the opaqueness of air, and high values of aod indicate poor visibility

    氣溶膠光學厚度aod量度大氣的透明度。高數值表示能見度較低。
  8. Aerosol optical depth ( aod ) is a measure of the opaqueness of air, and high values of aod indicate poor visibility

    氣溶膠光學厚度( aod )量度大氣的透明度。高數值表示能見度較低。
  9. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明:用離子交換法製作的電光波導,其離子交換濃度、折射率變化符合餘弦誤差函數,光學均勻性以及器件的溫度穩定性較好;製作的強度調制電光開關,消光比為150 : 1 ,對1064nm激光的插入損耗為2 . 5 ;製作的電光調制器用於激光脈沖整形試驗,從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖,該電光開關經過長達三年多的使用,沒有出現晶體變黑現象,說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  10. In this modulator, coplanar strips ( cps ) are used as electrodes for they support balance mode propagation of microwave, and this is a desired merit for common optical modulator. due to the miniaturized dimensions, the metallization thickness is in the order of skin depth and the conductor losses are not negligible

    雖然由於金屬的趨膚效應,電場將集中在金屬表面,但在40g以上的頻率條件下,金屬的厚度和趨膚深度在一個量級,而且此時調制器帶寬受到限制的最大根源來源於金屬電極的微波損耗。
  11. Neptune ' s rings do not fall into this neat dichotomy ; their optical depth lies between the two extremes

    但是這簡單的二分法卻無法適用於海王星的星環系統,因為其光深度恰位於兩極端之間。
  12. The z axis is provided with zero output to facilitate the setting and changing of electrical charging depth if installed with optical ruler

    若加裝光學尺z軸具有零點輸出功能放電深度的設定及變更容易。
  13. On the other hand, some noncoherent measurement methods can be applied to image the tissue at several centimeters depth, while the image resolution is not satisfied. therefore, focused ultrasound - modulated optical tomography has been developed and shows a promising prospect for imaging tissue in depth with better resolution

    聚焦超聲調制的光學層析方法被認為是很有應用前景的一個光層析成像領域,即用聚焦超聲標記散射光子,並從這些光子中提取該處介質的信息。
  14. Two methods of reducing the speckle noise and improving the depth resolution in optical 3d profilometry with laser sheet are proposed in the paper

    本文提出了兩種激光片光三維傳感中減小激光散斑影響,提高深度解析度的辦法。
  15. Roughly acquire optical depth of clear sky and clouds from radiation station data and routine meteorological data of land surface, and the study the relationship between clouds " physical character and radiation. obtain the relationship between surface and near - ground atmosphere, and then according to this estimate surface albedo and surface net. by analyzing the relationship between satellite visible spectra, infrared spectra, and water vapor spectra values and radiation, by means of radiation transfer theory, analyze and deducethe relationship between clouds and radiation, and establish relationships between satellite value and global radiation and net

    通過衛星雲圖的計數值來判斷雲對輻射的作用,以此建立起它們之間的關系;利用地面觀測資料和常規資料來粗略求取晴空大氣和雲光學厚度,進而研究雲的物理屬性與輻射關系;簡單的獲取地表與近地面大氣之間的輻射關系,以此估算地表的反照率,和地表的凈輻射;分析了衛星可見光、紅外及水汽雲圖計數值和地面輻射之間關系,利用輻射傳輸公式來推倒和分析雲對輻射的關系,試圖建立起衛星測值與地表總輻射和凈輻射之間的關系,並將晴空和有雲的個例分開,分別建立並選出最佳模式,以此來估算地表的凈輻射和總輻射。
  16. A two stream model has been used to calculate the variation of optical depth and their effects to ultraviolet radiation of each extinction material. with the model, the relation among season, solar zenith angle and ultraviolet radiation has been discussed, and the variation of ultraviolet radiation under different clouds has also been studied. the comparative research of ultraviolet radiation among kunming, beijing and other abroad area at the same latitude has also been done

    在已建立的計算昆明紫外輻射兩流模式改進的基礎上,進一步計算並討論了: 1各種消光物質的光學厚度變化規律及其對紫外輻射的影響2季節變化及太陽天頂角變化與紫外輻射的關系3不同雲的光學厚度下紫外輻射的變化4昆明與北京兩地模式計算結果比較,以及與國外相近緯度觀測結果進行了比較。
  17. The images of moderate resolution imaging spectroradiometer modis, a sensor of the earth observing system operated by the u. s. national aeronautics and space administration nasa, revealed the aerosol optical depth was high

    在香港附近的氣溶膠光學厚度放大圖美國太空總署地球觀測系統的中解析度成像光譜儀modis的圖像顯示氣溶膠光學厚度很高
  18. The images of moderate resolution imaging spectroradiometer ( modis ), a sensor of the earth observing system ( eos ) operated by the u. s. national aeronautics and space administration ( nasa ), revealed the aerosol optical depth ( aod ) was high

    (在香港附近的氣溶膠光學厚度放大圖)美國太空總署地球觀測系統的中解析度成像光譜儀( modis )的圖像顯示氣溶膠光學厚度很高
  19. Based on the direct and scattering irradiance spectra measurements of ultraviolet waveband arrived at beijing ground surface by the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ), a method for retrieving the atmospheric aerosols optical depth ( aod ) is given in this paper

    摘要利用太陽大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,給出反演大氣氣溶膠光學厚度的一種方法。
  20. Aerosol optical depth distribution over the pearl river estuary at 11 a. m. on 6 january 2005

    2005年1月6日上午11時珠江三角洲地區的氣溶膠光學厚度分佈
分享友人