Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。
Based on MODIS NDVI, this paper studied the variation trend of vegetation index in the years of 2000 to 2004 in Ningxia area using quantitative remote sensing technique and slope method.
采用定量遥感技术及斜率法，以全球植被指数MODISNDVI数据作为数据源，对宁夏地区2000—2004年期间的植被指数变化幅度及变化趋势进行了研究。
Normalized difference vegetation Index (NDVI) is one of the main characteristic descriptors indicating land surface vegetation cover.
植被归一化指数(NDVI)是地表植被覆盖特征的重要指标之一。
Typical vegetation in eastern Asia and MODIS data were used to characterize newly-developed Enhanced Vegetation Index(EVI) and widely-used NDVI.
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。
The LandSat-5 TM images in 1994 and 2004 were used in this study to create UHI maps, normalized difference vegetation index(NDVI)maps.
本文利用杭州市1994年和2004年两个时相的TM影像，生成热岛分布图、归一化差值植被指数（NDVI）图。
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。
Next, vegetation index was calculated which was based on Band 3 and Band 4 of TM image, and degree of vegetation coverage was extracted according to NDVI based on the transformation model;
其次，利用TM影像的第四和第三波段计算植被指数，根据植被指数按照转换模型提取植被覆盖度；
Next, vegetation index was calculated which was based on Band 3 and Band 4 of TM image, and degree of vegetation coverage was extracted according to NDVI based on the transformation model;
其次，利用TM影像的第四和第三波段计算植被指数，根据植被指数按照转换模型提取植被覆盖度；
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