difference vegetation index中文是什么意思

發(fā)音:

中文翻譯
造句

差值植被指數(shù)

difference n. 1.差異，差別。 2.不和，爭(zhēng)論。 3.【數(shù)學(xué)】差 ...
vegetation n. 1.【植物；植物學(xué)】營(yíng)養(yǎng)體生長(zhǎng)，發(fā)育；〔集合詞〕植 ...
index n. (pl. -es, -dices ) 1.索引。 ...
normalized difference vegetation index 標(biāo)準(zhǔn)化植被差異指數(shù); 歸一化差異植被指數(shù)
vegetation index 植被指數(shù)
index difference 折光率差
agricultural vegetation index 農(nóng)業(yè)植被指數(shù)
crop vegetation index 罪植被指數(shù)
environmental vegetation index 環(huán)境植被指數(shù)
normalization vegetation index 規(guī)一化差植被指數(shù)
perpendicular vegetation index 垂直植被指數(shù)
ratio vegetation index 比值植被指數(shù)
transformed vegetation index or tvi 變換植被指數(shù)
vegetation continuum index 植被連續(xù)群指數(shù); 植實(shí)皮連續(xù)群指數(shù)
refractive index difference 等效折射率
spectral difference index 譜差指數(shù)
vegetation n. 1.【植物；植物學(xué)】營(yíng)養(yǎng)體生長(zhǎng)，發(fā)育；〔集合詞〕植物，植被，植生，草木。 2.無(wú)所作為的生活，單調(diào)的生活。 3.【醫(yī)學(xué)】贅生物，增殖體。 natural vegetation自然植被。 tropical vegetation熱帶植物。 the luxuriant vegetation 茂盛的草木。 adj. -al
difference n. 1.差異，差別。 2.不和，爭(zhēng)論。 3.【數(shù)學(xué)】差，差額。 4.【邏輯學(xué)】特殊性。 There is no difference between them. 兩者毫無(wú)差別。 the difference of jetsam from flotsam 棄貨不同于浮貨。 What difference can it make 不是一樣嗎？ He is an artist with a difference. 他是別具風(fēng)格的藝術(shù)家。 distinction without difference 無(wú)聊的區(qū)別。 make a difference 發(fā)生差別；使…有差別；(結(jié)果等)是重要的，有關(guān)系[影響] (One false step will make a great difference. 失之毫厘，謬以千里。 Don't let it make any difference. 沒(méi)關(guān)系。 make a difference between A and B 使甲乙有別，對(duì)甲乙不一樣)。 pay [meet] the difference 付差額金。 seek common ground while reserving differences 求同存異。 settle differences 調(diào)停。 split the difference 1. 折中，妥協(xié)。 2. 均分剩下的東西。 vt. 〔罕用語(yǔ)〕區(qū)別，使有差別。
difference in 在……方面的差別
no difference 忘絕境界
the difference 差別; 老師改變了男孩的人生; 區(qū)別
there is no difference 沒(méi)有差別
vegetation period vegetation study 植被研究
difference-in-difference 倍差法
acidophilous vegetation 嗜酸性植被

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例句與用法

Advances in drought monitoring by using remotely sensed normalized difference vegetation index and land surface temperature products
基于植被指數(shù)和土地表面溫度的干旱監(jiān)測(cè)模型
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 )
然后在像元二分模型的基礎(chǔ)上對(duì)已有模型進(jìn)行改進(jìn)，建立用ndvi歸一化植被指數(shù)估算植被覆蓋度的模型。
This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales
但由于電磁波與地表相互作用的復(fù)雜性，雷達(dá)后向散射系數(shù)除受地表介電常數(shù)(土壤水分)影響外，還受到地表粗糙度、土壤類(lèi)型、植被覆蓋以及雷達(dá)入射角、頻率、極化等多種因素的影響。
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(shù)據(jù)在森林資源監(jiān)測(cè)中的優(yōu)勢(shì)的基礎(chǔ)上，通過(guò)纓帽變換、主成分分析和植被指數(shù)法增強(qiáng)植被光譜信息，結(jié)合專(zhuān)家分類(lèi)系統(tǒng)對(duì)沿海防護(hù)林主要樹(shù)種進(jìn)行提取。
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(gè)專(zhuān)門(mén)設(shè)計(jì)的光電探測(cè)器直接得到歸一化植被指數(shù)的測(cè)量方法，該參數(shù)能夠反映作物的生長(zhǎng)狀態(tài)，知道不同季節(jié)的農(nóng)作物對(duì)氮的需求量，對(duì)實(shí)施變量精準(zhǔn)施肥具有重要的指導(dǎo)作用。
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(qū)域蒸發(fā)(散)量的過(guò)程中，得到許多有意義的量：地表特征參數(shù)(植被指數(shù)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(zhǎng)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) 。
Firstly , this dissertation estimated the size of carbon source ; sink and net carbon sink of farmland ecosystems in china costal regions ( including ten provinces ) with statistic data from 1981 to 2001 , which include data of crop yield and agricultural consumptions . then analyzed the temporal - spatial differences of carbon source , sink and net carbon sink of china costal farmland ecosystems . secondly , estimated npp ( net primary productivity ) of farmland ecosystems in china costal regions with per month noaa - avhrr ndvi ( normalized difference vegetation index ) data and estimation model
本文首先運(yùn)用1981 - 2001年的統(tǒng)計(jì)資料(作物產(chǎn)量和各種途徑的農(nóng)業(yè)投入數(shù)據(jù)) ，對(duì)沿海十省區(qū)農(nóng)田生態(tài)系統(tǒng)碳源匯及凈碳匯進(jìn)行了估算，并分析了其時(shí)空差異；然后運(yùn)用1998年逐月ndvi數(shù)據(jù)通過(guò)建模對(duì)沿海地區(qū)農(nóng)田生態(tài)系統(tǒng)npp進(jìn)行了估算，并分析了npp分布與農(nóng)田生態(tài)系統(tǒng)碳吸收的相關(guān)性；最后通過(guò)對(duì)農(nóng)田生態(tài)系統(tǒng)碳源匯的影響因素分析，提出了不同的農(nóng)田生態(tài)系統(tǒng)碳增匯減排技術(shù)。

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