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- perpendicular vegetation index 垂直植被指数
- An Analysis of Natural Grassland TM Images Vegetation Index in the Region around Qinghai Lake. 环青海湖地区天然草地TM影像植被指数分析。
- The ratio of vegetation index RVI(560,1220)had better correlationto the dry matter accumulation. 比值植被指数RVI(560,1220)与干物质积累量的相关性较好;
- Malo A R, Nicholson S E.A study of rainfall and vegetation dynamics in the African Sahel using normalized difference vegetation index[J]. 孙睿朱启疆.;气候变化对中国陆地植被净第一性生产力影响的初步研究[J]
- Typical vegetation in eastern Asia and MODIS data were used to characterize newly-developed Enhanced Vegetation Index (EVI) and widely-used NDVI. 摘要利用东亚地区典型地带性植被和MODIS数据，对广泛使用的植被指数NDVI和新开发的增强型植被指数EVI进行了对比分析。
- In this paper, the authors use the ASTER remote sensing image to extract vegetation index information and carry on the comparative analysis. 本文对ASTER遥感图像进行解译，提取植被指数进行比较分析，希冀对青海湖地区的可持续发展提供一些帮助。
- The vegetation index (NDVI) and leaf area index (LAI) are two key important land vegetation ecosystem status parameters. 植被指数 (NDVI)和叶面积指数 (LAI)是两个非常重要的陆地生态系统植被状态参数。
- This paper presents a practical method in abstracting Vegetation Index from remote sensing images using the ENVI Software . 主要介绍了在ENVI遥感图像处理软件对遥感影像进行植被指数。
- Temperature,precipitation,land-cove are the main factors which effect the change of vegetation index,but the effect to vegetation index is not same in different place. 温度、降水和地表覆盖是影响植被指数变化的主导因子,但在不同区域内不同因子对植被指数的影响程度有所不同。
- Sensitivity analysis is conducted by comparing corrected and uncorrected reflectance data including spectral brightness and normalized difference vegetation index (NDVI). 对校正前后的反射辐射和归一化植被指数(NDVI)的变化进行了对比研究，并利用校正前后的NDVI反演植被盖度。
- From the analysis of the mechanism of foliage phenology using remote sensing technology, we can see that vegetation index (VI) can indicate features of each phenophase. 摘要通过遥感技术研究植物物候现象的机理分析，认为植被指数可反映植被各物候期的特征。
- Comparing with the result extracted by VI (Vegetation Index), SAM (Spectral Angle Mapper) and the filed data show that they are consistent with each other. 研究结果与植被指数、光谱夹角映射方法及实地调查资料之间存在较高一致性。
- The image partition processes indicate that the vegetation index NDVI and ratio index ETM+4/ETM+3 are practicable and reliable to extract the growing information of vegetation. 图像分割处理表明利用植被指数NDVI、比值指数ETM+4/ETM+3来提取植被的长势信息是可行和可靠的。
- In this paper, Vegetation Index is calculated from hyperspectral remote sensing data and is used to estimate the effect in the tailing of Gejiu tin mine. 本文采用高光谱遥感数据计算植被指数，进而反演叶绿素含量和物种数量，对云南个旧锡矿尾矿的生态恢复效果进行评价。
- The wall is a little out of the perpendicular. 那墙有点斜。
- The valley ended in a perpendicular rim of granite. 那山谷的尽头是花岗石的断崖。
- It was proposed that wheat LAI could be well monitored by vegetation indices RVI (810, 510) and DVI (810, 560). 可以选择RVI(810;510)和DVI(810;560)作为反演小麦LAI的光谱参数.
- The pillar had been restored to the perpendicular. 这柱子恢复垂直。
- The two lines are perpendicular to one another. 这两条线相互垂直。
- The results are as follows:(1) The first three axes of DCCA order relate to degraded grass land area ratio,rainoff,precipitation intensity,vegetation index and average slope significantly. 结果表明:(1)DCCA排序的前3轴分别与退化草地比率、降水量、降水强度、植被指数、平均坡度显著相关;
