植被指數 的英文怎麼說

中文拼音 [zhíbèizhǐshǔ]
植被指數 英文
vegetation index
  • 植 : Ⅰ動詞1. （栽種） plant; grow; cultivate 2. （樹立） establish; set up Ⅱ名詞（姓氏） a surname
  • 被 : Ⅰ名詞1 （被子） quilt 2 （姓氏） a surname Ⅱ動詞[書面語]1 （復蓋） cover; spread 2 （遭受） suffe...
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 植被 : vegetation; vegetative cover植被層 vegetable layer; 植被帶 [植物學] zone of vegetation; 植被類型 vegetation form
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. Then based on the method of dimidiate pixel model, the current model is improved, and the model of deriving vegetation fraction from normalized difference vegetation index ( ndvi )

    然後在像元二分模型的基礎上對已有模型進行改進，建立用ndvi歸一化植被指數估算植被覆蓋度的模型。
  2. Monitoring crop yield using noaa avhrr - based vegetation indices

    基於植被指數的作物產量監測方法研究
  3. The correlation analyses were conducted for the rations between the vegetation indices and the sampled grass yield data which were taken as the grassland biomass quotas. the results indicated that there are quite high correlations between the vegetation indices and the grassland yield data. among them the rvi has the highest correlation coefficient, ndvi in the next, and then successively tvi, msavi, infrared index, savi, gvi, dvi and w vi, but bvi has the lowest correlation coefficient that there is a negative correlation coefficient between bvi and the biomass

    對各種常用植被指數和草地生物量進行相關分析，由分析結果得出，比值植被指數（ rvi ）與草地生物量的相關性最高，相關系數達到0 . 885 ，其次為ndvi ，然後依次為tvi 、 msavi 、紅外指數、 savi 、 gvi 、 dvi和wvi ，而bvi與草地植被生物量呈負相關關系，且相關性最低，總的來說，遙感植被指數和草地生物量具有較好的相關關系，因而，利用植被指數來建立草地生物量監測模型是可行的。
  4. After analysis of tm / etm + data ' s advantage over the forest change detection, tasseled cap transformation, principal component analysis and normalized difference vegetation index were chosen to enhance the vegetation spectral information. expert classification system was adopted to extract the main tree species in the littoral shelter forest

    在分析etm +數據在森林資源監測中的優勢的基礎上，通過纓帽變換、主成分分析和植被指數法增強植被光譜信息，結合專家分類系統對沿海防護林主要樹種進行提取。
  5. Study on andvi and its application for airborne remote sensing

    面向航空遙感應用的可調節植被指數研究
  6. Normalization vegetation index

    規一化差植被指數
  7. The spatio - temporal patterns of vi in guangdong based rs data

    基於遙感數據的廣東植被指數時空變化研究
  8. Trmm ; gms ; huaihe river basin ; land temperature ; split window ; ndvi

    Trmm gms淮河流域地面溫度分裂窗植被指數
  9. In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained

    總之，根據地表能量平衡方程，通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演，進一步計算出了地表凈輻射通量，土壤熱通量和潛熱通量，最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。
  10. One avhrr image of the yangtze delta at 13 : 00 on 15th apr., 2003 is used to retrieve the regional parameter such as surface albedo, ndv1, surface emissivity and surface temperature, which is based on regional trait of the yangtze delta to choose different model. all above will give a methodological support to gain the regional surface parameters, what ' s more, it will afford the parameter support to calculate the regional et too

    選取了2003年4月15日13時的avhrr影像，根據長江三角洲區域特點，選擇不同的反演模型，分別對長江三角洲區域地表反照率、歸一化植被指數、地表比輻射系數、地表溫度進行了反演，為區域地表參數的獲取提供了方法支持，也為長江三角洲的區域蒸散量求取提供了參數支持。
  11. Some variables regional distribution over south ningxia is given out in the course of evapotranspiration estimation : the regional distribution of surface characteristic parameters ( normalzed difference vegetation index, surface albedo, surface temperature ), radiation balance components ( surface absorbed shortwave radiation, surface longwave radiation, atmospheric counter radiation, net radiation ), surface heat and balance components ( soil heat flux, sensible heat flux, latent heat flux )

    估算區域蒸發（散）量的過程中，得到許多有意義的量：地表特徵參數（植被指數ndvi 、地表反射率、地表溫度） ；地表輻射平衡各量（地表短波吸收輻射、地表長波輻射、大氣逆輻射、地表凈輻射） ；地表熱量平衡各量（土壤熱通量、顯熱通量、潛熱通量） 。
  12. By using the attribute clustering analysis through turf vegetation index, 15 tested turfgrasses could be divided into 3 groups ( non - sensitive, medium sensitive and sensitive ), and then, by using the sulphur content in leaf and turf vegetation index as grouping factors, the tested turf grasses were further divided into 3 groups ( strong tolerance, medium tolerance and weak tolerance )

    在比較試驗后發現，草坪草對氟污染的反應不同，用草坪植被指數作屬性進行聚類分析，將15種試驗草坪草劃分成了不敏感，較不敏感和敏感3個反應類型，以草坪草葉片含硫量和草坪植被指數作屬性進一步聚類，劃分出了強抗性，中抗性和弱抗性3個抗性類型。
  13. Vegetation index seasonal change and vegetation cover analyzing in hainan island

    海南島植被指數季節性變化及植被覆蓋分析
  14. The linear regression models and the non - linear regression models are established respectively, which can be used in monitoring the grassland biomass based on the vegetation indices. finally, in order to establish the grassland biomass monitoring models with higher accuracy the different forms of the non - linear regression model were established respectively, including the quadric equation, the cubic equation, the logarithmic equation, and the exponential equation. the repeated tests indicated that the cubic equation is the best one in terms of the suitability of use in the study area

    建立遙感植被指數和草地生物量的一元線性回歸模型和非線性回歸模型，通過反復分析論證得出，非線性回歸模型相對於一元線性回歸模型與實測生物量更為符合；通過分析植被指數與實測生物量的不同非線性回歸模型的結果，表明三次方程y = - 18 . 626rvi ~ 3 + 220 . 317rvi ~ 2 - 648 . 271rvi + 691 . 093是最適用於監測研究區草地生物量的非線性模型。
  15. Advances in drought monitoring by using remotely sensed normalized difference vegetation index and land surface temperature products

    基於植被指數和土地表面溫度的乾旱監測模型
  16. The authors have developed a device for measuring the normalized difference vegetation index ( ndvi ) by using four specially designed photoelectric detectors ; the ndvi can reflect the growing information and seasonal nitrogen fertilizer requirement of crops, and offers guidance for rational application of nitrogen fertilization

    文中提出了一種由4個專門設計的光電探測器直接得到歸一化植被指數的測量方法，該參數能夠反映作物的生長狀態，知道不同季節的農作物對氮的需求量，對實施變量精準施肥具有重要的指導作用。
  17. Experiments in national engineering research center for information technology in agriculture and national laboratory of color science and engineering indicate that the measurement technology can directly acquire ndvi, and that the measurement deviation is less than 5 % compared with that measured by using asd fr2500

    經國家農業信息化工程技術研究中心，顏色科學與工程國家專業實驗室檢測表明：該測量技術能準確反映植物的顏色特徵，該測量裝置可用以取代昂貴笨重的地物光譜儀直接獲取被測目標的歸一化植被指數值，與地物光譜儀測試結果偏離在5 %以內。
  18. A comparative study of extracting urban vegetation information by vegetation indices from thematic mapper images

    植被指數在城市綠地信息提取中的比較研究
  19. Applying vegetation index in the mapping of npp pattern along the nstec

    利用遙感植被指數分析中國東部樣帶農業生態系統的生產力格局
  20. Advances in study on vegetation indices

    植被指數研究進展
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