能量反射率 的英文怎麼說

中文拼音 [néngliángfǎnshè]
能量反射率 英文
energy reflectivity
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : 率名詞(比值) rate; ratio; proportion
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的曲線整體平移的「同物異譜」現象,對于譜形相似而整體的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物和蓋度都有密切的關系,是開展精細植被分類研究和植被定演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物和蓋度定演的有力工具;建立了荒漠化監測主要評價因子的定演模型,並分析了模型的適用性。
  2. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻表達式,應用了顆粒數平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上夠描述黃河泥沙絮凝過程中絮體數和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上映高分子絮凝黃河泥沙生成的絮體結構。
  3. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌大於99 ,有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大氣層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人體皮膚形成極大危害,尤其對于長期從事野外工作的人,因此設法減少紫外線對人體的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用范圍做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途非常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並遠紅外線的新型功性纖維,是一種具有優良理療功、熱效應功和排濕透氣抑菌功的新型紡織材料及保溫材料,吸收人體自身向外散發的熱,吸收並回人體最需要的4 14 m波長的遠紅外線,促進人體的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。
  4. In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got

    第五章從上一章測所得折分佈曲線出發,根據梯度介質球內光線傳輸的理論模型,用光線追跡的方法分析了327 #微球透鏡的光性,並對最佳性條件進行了總結分析,發現效果提高並不明顯,進而在第六章中提出了提高grin聚合物微球回歸的兩個基本途徑,並用光線追跡方法進行了詳細的分析,最終得到了良好的效果,並對結果進行了一定的分析解釋。
  5. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測力;對雲層較厚、含水大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來演整個雲層的含水垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  6. This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration

    本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法,實際標定了所用的探測器和單色儀系統,測得了噴氣靶激光等離子體光源的相對光譜分佈,設計出絕對光譜分佈的測方法,並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智化、高效的測系統,完成了多層膜工作。
  7. ( 3 ) the author applied wavelet analysis in the data processing of airborne radioactive survey, and analyzed the effect of wavelet used in spectrum data processing, line data processing and region data processing. the author had proved that the wavelet used in spectrum data processing can gain more true and more ideal information than traditional data processing method, and can accurately identify information which is beyond main energy windows by practice data. the author considered it is effective to extract abnormal information when the wavelet used in line data processing, and it is effective to eliminate the belt of airborne radioactive survey data when the wavelet used in region data processing

    有效的融合了遙感航測信息,提高了工作效; ( 2 )根據光學有關物理性質,製作的模擬圖,囊括了tm數據七個波段的信息,使得圖像質、地物解析度得到了提高; ( 3 )在航放數據處理過程中引入了小波分析,系統分析了小波在處理單點數據、測線數據、測區數據的應用效果;用試驗數據證明了小波處理單點數據可得到較傳統數據處理方法更為真實、理想的譜數據,準確的識別主窗以外的信息;認為處理線數據,可以提取埋藏於噪音中的異常信息;處理測區數據,對消除航放數據的條帶有一定的效果。
  8. Thus, 21mj of single pulse energy has been obtained. in the case of 10 % reflectivity, less than 3. 7ns with 8. 6 : 1 pulse - compression ratio has been observed

    應用200 m光纖獲得了21mj的四通放大輸出並在能量反射率10的情況下獲得了高達8 . 6倍的脈沖壓縮比。
  9. Derived from optical waveguide fundamentals, outstanding advantages of mfld in high s / n ratio and sensitivity were theoretically presented. to resolve inconsistent change tendencies of mode - filtered light obtained in bare core sensing system and in modified sensing system, that is, the mode - filtered light signal declines with the increase in analyte ris in bare core sensing system but increases with the increase in analyte ris in modified sensing system, we started with light energy radiation theory, and obtained the details of mfld mechanism by discussing in detail the radiant energy ' s reflection and refraction at the interface, thus establishing a mathematical model of mfld. we concluded that the inconsistent change tendencies of mode - filtered light were essentially coherent

    為了解決實驗中裸光纖體系與修飾光纖體系在獲取模式濾光信號上出現的不一致現象,即裸光纖體系中隨著分析對象的折增大,獲取的模式濾光信號呈下降趨勢,而在修飾光纖體系中分析對象的折增大,獲取的模式濾光信號卻是增大的,我們從光的學入手,詳細地討論了光輻在傳輸路徑上的與透,獲得了模式濾光信號產生的細節,以此建立了模式濾光檢測的新模式。
  10. In addition, a new type of phase conjugator using tapered fiber is designed, which combined the higher reflectivity of small core - diameter fiber and higher damage threshold of large core - diameter fiber. the theoretical analysis has also been carried out in section iv. applying it in double - pass system, the maximum sbs reflectivity arrives at 85 % and relative stability arrives at 90 %, which is more than that of common optical fiber phase - conjugator

    為了獲得更高的能量反射率和穩定性,我們自行設計了一種新型的錐度光纖,並應用於ld泵浦的雙通放大dpl系統中;實驗表明:應用錐度光纖相位共軛器可以獲得高達85的能量反射率和90的相對穩定度。
  11. Applying 200 m quartz fibers in the ld - pumped laser system with double - pass configuration, 57 % sbs reflectivity, near 92 % sbs fidelity and 85 % relative stability have been obtained. and high beam quality of phase - conjugated laser close to that of oscillator has been achieved

    應用200 m光纖經雙通放大最高可獲得57的能量反射率、 85的相對穩定性以及92的相位共軛保真度,並觀察到激光系統的輸出光束質被顯著改善。
  12. The measurement of reflectance is at 3b1 line of synchron radiation devices in beijing high energy physical institute, chinese abstract academy of science

    多層鏡的測是在中國科學院北京高物理研究所的同步輻裝置的3b1束線上進行的。
  13. In this paper, a new theoretical model is established for optical fiber pumped by broadband laser. using the new model, we have analyzed the influence of longitudinal - mode number, bandwidth and line - width of pumping source on sbs reflectivity, and pointed out the monochromaticity of pumping laser has obvious affect on optical fiber conjugator

    成功解釋了激光線寬、縱模間隔與數目對光纖中sbs過程的影響,並通過數值計算分析了sbs閾值、、相對穩定性、保真度等性參數隨著注入激光、脈寬以及光纖長度、芯徑的變化趨勢。
  14. In the region of shorter wavelength ( r < 10nm ), measurement reflectivity is much lower than design reflectivity, so the making of high reflectivity multilayer mirrors is at the phase of exploring. the aim of the paper is to design and fabricate five mulitilayer mirrors in shorter wavelength of soft x ray region and makes up of soft x ray spectrometer which is applied to icf experiment

    本論文所完成的是在軟x線短波段的五個波長處(最短波長為1 . 03nm ) ,研製具有實用的軟x線多層膜鏡,並應用於慣性約束核聚變( icf )實驗中的軟x光譜測
  15. With the development of infrared tunable opo, its application is more and more wide. lt is possible for us to estimate the quality of resonant mirrors in laser with high energy and to improve the output energy of laser, by measuring the reflectivity of resonant mirrors of coil and df laser by cavity - ring - down which use output wave of opo as the laser source, instead of coil and df laser with high price and huge space

    用opo紅外輸出激光作為光腔衰蕩的光源代替價格昂貴、體積龐大的氧碘和氟化氖激光器,對其諧振腔鏡的高進行測,以達到對高功激光器腔鏡高膜質的評價,為改進膜系設計、鍍膜工藝優化和提高激光器的輸出提供理論依據。
  16. Furthermore, the variation of sbs performance parameters, such as threshold and reflectivity, with parameters of pumping laser and multi - mode optical fiber has been researched by analysis of the numerical solution. experiments have also been operated in ld - pumped solid - state laser system with high - repetition more than 100hz and narrow pulse - width between 15ns and 47ns. the experimental results agree with calculated results by the theoretical model

    第三章在重復頻100hz 、脈寬15 47ns可調的dpl系統中,實驗研究了不同芯徑、長度的光纖在不同、脈寬的激光泵浦下sbs閾值、等性參數等變化趨勢,實驗結果和理論分析一致。
  17. The characteristic of surface radiation, energy balance, albedo, bulk momentum transfer coefficient cd and bulk sensible heat transfer coefficient ch between surface and atmosphere over rainfed field are analyzed based on the data of land - surface process field experiment in the dingxi arid meteorology and ecological environment experimental station

    利用中國氣象局蘭州乾旱氣象研究所定西乾旱氣象與生態環境試驗基地取得的地氣相互作用觀測試驗資料,分析了地表輻、地表平衡、地表、總體輸送系數等特徵。
  18. Standard lamp and diffusers are very important calibration elements, in chapter three, first uv and vuv radiometric standard for calibration are introduced. then the fabrication and characteristics of baso4 diffuser and alminium diffuser are researched, the baso4 diffuser ' s hemispheric reflectance and bi - directional reflectance distribution function were measured and compared with lambtian surface, and the deviation from that of lambtian surface is given. in the experiment, al diffuser ' s brdf is researched, obtain the change of spectral characteristic of al diffuser, compare al diffuser ' s brdf before and after coated with al + mgf2, and different al diffusers with different surface roughness

    鋁漫板作為一個漫光學元件安裝在太陽紫外光譜監視器的入狹縫前,太陽紫外光譜監視器在軌測時,太陽輻到鋁漫板后進入入狹縫,光譜輻照度的角度是變化的,本章測了鋁漫的相對雙向分佈函數,研究了鍍膜( al + mgf _ 2 )前後光譜的變化,漫的光譜特性及漫板表面粗糙度對相對雙向分佈函數的影響,使得測數據演成為可
  19. The high - performance heat - reflective coated glass is also called sunlight control coated glass it is made by coating a number of metal or metal compaound films onto the high - quality float glass or other base glass with the vacuum magnetic control sputtering method, which can effectively control the reflection, transmission and absorption of solar energy, that is to say, this glass allows sufficient natural light to come in for daylighting, and can also reflect major part of sunlight irradiation to reduce the collection of indoor heat and lower down the expenses for ventilation and air conditioning ; furthermore, the transmission, reflection ratio and reflection color are ready for the selection by the users

    高性熱所鍍膜玻璃也稱為陽光控制鍍膜玻璃,是在優質浮法玻璃或其他基片上用真空磁控濺的方法鍍多層金屬或金屬化合物薄膜而成,可有效控制玻璃對太陽、透過和吸收,也就是說允許足夠的自然光進入室內用於採光,還把大部分太陽光輻掉,減少室內熱的積聚,降低通風及空調的費用,而且可以根據客戶的需求,靈活選擇透過顏色。
  20. As the rapid development of the technique for high reflecting mirrors, the traditional methods for reflectivity measurement cannot fill the urgent needs

    在極高鏡片快速發展的今天,傳統的測方法已經不滿足測需要。
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