評價測光 的英文怎麼說

中文拼音 [píngjiàguāng]
評價測光 英文
ettl
  • : Ⅰ動詞1. (評論; 批評) comment; criticize; review 2. (評判) judge; appraise Ⅱ名詞(姓氏) a surname
  • : 名詞1. (價格) price 2. (價值) value 3. [化學] (化合價) valence
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • 評價 : appraise; evaluate; assess; estimate; valuation
  1. The remote sensing quantitative retrieval model for the appraisable factors of desertification monitoring are founded. in naiman country, inner mongolia, the experimental area, the hyperspectral imaging spectrometer data in plant growth seasons are collected by state - produced airborne hyperspectral imaging spectrometer omis - i, and the etm + image is also obtained. meanwhile, ground investigation and measurement are made, which include the measurement on reflection feature of different kinds of geo - targets and the ground investigation data necessary for spectral rebuilding and retrieval models of the appraisable factors of desertification monitoring

    本研究以內蒙古奈曼旗作為研究試驗區,採用我國自行研製的機載高譜成像譜儀omis - ,在植被生長季節取得高譜解析度成像譜儀數據和etm ~ +圖像,並進行了同步的地面調查及量,包括不同類型地物反射特性量譜重建以及荒漠化監因子定量反演模型所必需的地面樣方調查數據。
  2. 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,對高譜數據不同波段的數據質量、波段組合進行了,提出了適用於荒漠化監的基本波段選擇集;初步了解和掌握了研究地區的地物譜特性及變異規律,進一步明確了掌握地物譜特徵和變異規律是用成像譜儀數據提取地物信息的基礎;發現了基於譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率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的主要特徵波段,這些波段與植被生物量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量反演的重要基礎;像元的導數譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監主要因子的定量反演模型,並分析了模型的適用性。
  3. In this thesis, the oxygen sensitive materials and glucose sensitive materials had been developed by thermo - polymerization method including carrier covalence method and carrier covalence - cross linking method, and the properties had been investigated using the detection experiment of oxygen and spectrophotometer, at the mean time, the applications of oxygen sensitive materials in fiber optical gaseous oxygen sensor and fiber optical dis solved oxygen sensor, and that of biology sensitive materials in fiber optical dextrose sensor had been studied in this paper. major content of this work includes five aspects as follows : ( 1 ). oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by fi - ir, sem, and the detection experiment of oxygen

    本論文主要包括以下五個方面的內容: ( 1 )載體共法制備氧敏感材料:通過紅外譜、掃描電鏡圖譜和氧試實驗探討該氧敏感材料的制備機理,通過氧試實驗該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 2 )載體共?交聯法制備氧敏感材料:通過紅外譜、掃描電鏡圖譜和氧試實驗探討該氧敏感材料的制備機理,通過氧試實驗和分度計該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 3 )氧敏感材料在纖氣態氧傳感器中的應用:該傳感器的響應時間為10s ,檢下限為5ppm ,檢精度為0 . 5 ,具有較好的重復性和穩定性,遲滯較小,使用壽命至少為1年,適合各種環境下氣態氧濃度的檢
  4. Our cosine correctors couple to optical fibers and spectrometers for relative and absolute spectral intensity measurements, for emissive color applications, and for evaluation of light sources such as leds and lasers

    我們的餘弦校正器可與纖和譜儀連接,用於相對譜強度和絕對譜強度量、發射量,以及對led源和激源進行
  5. The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury

    研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分度法定了廣州市河涌沉積物和底棲生物中重金屬含量。
  6. The test and evaluation for optics quality of stage luminaries

    舞臺燈具學質量的試與
  7. Surface active agents. mercerizing agents. evaluation of the activity of wetting products for mercerization by determination of the shrinkage rate of cotton

    表面活性劑.絲處理試劑.用棉花收縮率定法濕性產品絲處理的活性
  8. On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam

    論文研究論證了用值束質量的實際意義在於兩個方面,一方面它僅僅包含了束束寬和發散角,不涉及波長的因素,使不同波長激束的可加工能力具有可比性;另一方面,值是根據對束傳輸路徑上不同位置處束寬實際量結果的計算值,比其在與基模高斯束進行比值計算得到的m2因子更簡潔、更有說服力。
  9. 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, by this means the mainly imaging character index of the micro - lens such as foci, longitudinal and transverse spherical aberrations aberration etc is calculated. i

    第五章從量所得折射率分佈曲線出發,根據梯度介質球內線傳輸的理論模型,用四階runger - kutta方法進行線追跡,計算了此種梯度球的縱橫向球差等學特性,給出所製作梯度折射率微球透鏡成像性能的
  10. In this paper, the marine route survey factors, such as water depth, bottom slope, soil shearing strength, tidal current and thunderstorm and their roles in the submarine fibre - optic cable engineering are introduced, and their roles and necessities in the cable construction are also appraised, which will make the combination of marine route survey with construction demand closer and the marine route survey be aimed at the cable engineering practice

    摘要介紹了水深、海底坡度、土壤剪切張度以及潮流、雷暴等海洋路由各勘要素及其在海底纜通信施工中的作用,並對它們在施工中的作用及其必要性進行了,從而使海洋路由勘與施工的需要結合得更緊密,更具有針對性。
  11. The effect mechanisms of temperature, acidity, concentration and velocity on the hydrolysis and deposition are also analysed. in order to evaluate the results of experiments and the quality of products, we also studied the performances such as color, dispersibility, lightfastness, particle sizes of some specifications pigments, and also constitute the method of measureing these performances

    為了驗證試驗結果,並根據用戶對產品的質量性能要求,對雲母珠顏料的顏色、分散性、耐性、粒度組成等項質量指標對產品應用性能的影響進行了研究,並制定了相應的產品質量檢驗試方法。
  12. In this study, we have systematically studied on the diversities, variations of zeolite ores and the relationship between compositions and properties of zeolite ores in the muling ore - deposit, preliminarily established the prospecting and evaluating geo - chemical models of different types of zeolite ore bodies. moreover, we have found and verified one modernite ore - body and one clinoptilolite ore - body in muling. a multi - objective exploiting and utilizing plan has been preliminarily put forward to different zeolite ore - bodies

    本文實例(穆棱沸石礦)研究,系統地探討了不同類型沸石礦體的礦化特徵、礦石類型、礦化組分、礦石品級和物化性能的多樣性、多變性特徵與空間變化規律,以及礦石組分與物化性能之間的相關規律;提出並初步建立了不同類型沸石礦的巖礦地球化學預模式;發現並初步查證:高品級的絲沸石礦體1個,絲一斜發混合型礦體1個。
  13. The traditional evaluating and testing the tracking precision of o - e theodolite tv tracking system is nearly invalid when o - e theodolite tracking fast moving targets by analyzing in theory and simulating in this dissertation

    論文首先通過理論分析和模擬,分析了傳統的和檢電經緯儀電視跟蹤伺服系統跟蹤精度的方法無法電經緯儀跟蹤快速角速度、角加速度運動目標的情況。
  14. The system of far field diagnosis is the system that we usually use in detecting the far field of laser beam. when it is used in detecting the far field of laser beam, the method is simple, and the result is easily seen. so, it was used widely in many application

    遠場量系統是最常用的探束遠場斑的系統,這一系統在得到的遠場斑質量時,其方法簡便易行、結果直觀,因此,這種系統在很多需要對激束質量進行的場合得到廣泛應用。
  15. In this paper, by explored geo - physico - chemical prospecting method for looking for oil in prior prospect, the authors summarize a suit of prospective technique and program, which is valid to oil - geology trait of zhidan area and composed of ; oil gas geo - chemical prospect ( acid degradation of hydrocarbon, absorbed - fluorescent spectrum, ultraviolet radiation spectrum, methane carbon - isotope ) non seismic detection in favorable explorative area which confirmed by chemical prospect ( matural potential, gamma energy spectrum. accurately magnetic analysis ) resistively prospecting in anomalous area which confirmed by physicalprospect successful general evaluation of geo - physicochemical prospect

    通過勘探早期地質物化探綜合找油方法實驗,筆者總結了一套適合志丹探區石油地質特點的勘探方法組合和勘探程序:油氣地球化學勘探(酸解烴、吸附烴、熒譜、紫外譜、甲烷碳同位素、蝕變碳酸巖)化探圈定的有利勘探區進行非地震物探(自然電位、伽瑪能譜、高精度磁、土壤氧)物探圈定的異常區進行電阻率深勘探地質物化探成果綜合
  16. In the light of field features in desertification areas, the data quality and band combination of different bands are assessed, the indicators, principles and methods for data assessment and band option are put forward to, and optional band combination for desertification monitoring is determined primarily. the data pre - treatment model for desertification monitoring is developed after studying the pre - treatment algorithm of restoration and rebuilding of hyperspectral resolution data. the spectral features and variation rules of different objects in experimental areas are understood and analyzed

    針對荒漠化地區的地物特徵,對高譜數據不同波段的數據質量、波段組合進行定性和定量的,提出用於數據、波段選擇的指標、原則和方法;初步確定一個適用於荒漠化監的優化波段組合,建立適合於荒漠化監的數據預處理模式;初步分析、掌握研究區內各類地物的譜特性及變異規律;針對荒漠化地區特點對多種分類方法進行探討分析;建立荒漠化監主要因子的定量反演模型。
  17. Optical gains as large as one million are used to achieve the high sensitivities required in current electro - optical sensors. these large optical gains make the detector the most susceptible sensor element to laser damage. people concerns that the influence to the quality of ccd camera image under laser irradiation, the laser - induced threshold of ccd detector and the evaluation of laser - induced effects

    電探器具有極強的目標探能力,而激具有極高的亮度;因而各類電裝備的電探器成為國外發達國家正在大力發展激武器系統的首要攻擊目標,激對探器的干擾與損傷程度如何、受干擾后能否繼續正常工作、何時達到損傷閾值以及如何對干擾效果做出客觀是人們非常關心的問題。
  18. In order to get the optimal wavelength pairs for two - color satellite laser ranging, with the factors including atmosphere effect, the response of the receiver and the laser considered, beginning with the precision of atmosphere correction, based on the lidar equation, the wavelength figure of merit, which can determine whether the pair is selected properly, is obtained

    摘要為獲得雙波長衛星激距的最佳波長組合,考慮了大氣效應、接收電器件的響應、激器等因素,從大氣改正精度出發,利用激雷達方程,得到了波長組合優劣的波長優數公式。
  19. Optical radiation physics and illuminating engineering ; evaluation of radiation by different detectors

    輻射物理學及照明技術.用不同探器對輻射的
  20. Retro - reflecting materials for traffic safety ; photometric evaluation, measurement and characterization of retroreflectors and retro - reflecting sheetings

    交通安全用反材料.反器和反片的
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