介绍分析了各种植被指数，利用非线性比自动提取植被信息。
Then the paper introduces vegetation indexes and extracts automatically the vegetation information through non-linear ratio.
研究评价了适于黄土高原地区植被信息提取的最佳植被指数和方法。
The optimum vegetation index and methods for collecting vegetation information in loess plateau area were studied and appraised.
然后在植被信息类内再进行小尺度分割，利用NDVI并融入几何特征进 一步提取冬小麦种植面积及空间分布。
The first step was large-scale segmentation, in which the image was classified as vegetation and non-vegetation by NDVI. The second step was small-scale segmentation;
照片拍摄地的确定也使得将照片与天气，人口密度、植被、地形、土地等地理信息联系起来成为可能。
Determining the location of photos also makes it possible to combine them with geographic data bases related to climate, population density, vegetation, topography and land use.
这些照片在帮助我们了解更多的关于地球的信息-它的山脉、植被和水系。
These pictures are helping us learn more about the earth-its mountains, vegetation, and bodies of water.
目前，该系统经过试验运行和实况验证，取得了良好的运行效率和精度较高的植被遥感信息提取、分类结果。
At present, this system gets the perfect operation efficiency and high accurate vegetation remote sensing information extraction and classification results by test operation and field validation.
因此，以县为单元，研究建立荒漠化植被监测的框架和信息处理和评价方法很有必要。
Therefore, it is very necessary to research methods and establish a framework of desertification vegetation monitoring and evaluation information system at the county level.
地面植被的发育，在一定程度上，弱化、掩盖或屏蔽了岩石和土壤的光谱和空间信息。
Spectrum and space information of rocks and soils can be reduced, covered or shielded by growth of ground vegetation to a certain degree.
含火山灰层沉积的植硅体分析为了解植被对从空中下降的火山灰的反应提供新的信息。
New information on the response of vegetation to air-fall volcanic ash is provided by analysis of phytoliths from sediments containing major tephra beds.
更多是从植被恢复及其水土流失效应方面进行了探讨，为退化生态系统恢复和格局设计提供了极其有用的信息。
Most authors studied vegetation restoration and its effects on soil loss, and provide much valuable information on degraded ecosystem restoration and ecological security pattern design.
周围所有的树木、其他植被和不同覆盖的场所承担着多重功能：市场、音乐会和群体活动场所、酒吧、餐厅、信息中心、多媒体场所。
All around the trees and other plant species, different covered spaces host multiple facilities: market, areas for concerts and manifestations, bar, restaurant, info-centre, multimedia point.
扩散鼠兔首先粗略地选择茂盛郁闭植被的斑块生境，此条件隐含了好的隐蔽状态和丰富的食物资源等信息。
They select patch with exuberant plant condition as their habitat on course grain level, for this condition contains information of good shelter and good food resources.
用NOAA卫星数据对沙地植被覆盖度进行动态监测可以为认识该地区的荒漠化动态变化及过程提供丰富的信息。
Dynamic monitoring of vegetation coverage of sands using NOAA satellite data can usefully aid in the understanding of the dynamic processes of desertification in the Ordos region.
遥感作为当今唯一一种能重复，连续获取全球环境数据信息的高新技术，近年来在植被净第一性生产力研究领域的广泛应用等。
As a high and new technology for obtaining globe environment information continuously, broad applications of remote sensing in NPP for the recent years and so on.
使用美国ASD光谱仪以及高密度植被探头采集橡胶树叶片光谱信息，并测定叶片全氮含量。
Spectral information of rubber leaf have been collected by American ASD spectrometer and high-density vegetation probe.
研究结果表明：VBSI在估算山区的植被覆盖信息上可以降低影像阴影信息的干扰，总体误差是归一化植被指数NDVI 的50%；
The results show that: VBSI may decrease the error of vegetation fraction resulted from the area of image shadow, and the error is 50% less than that from NDVI.
如何快速、经济、准确地获取植被覆盖区的矿化信息，是当今遥感地质研究的一大难题。
In the vegetation area, to extract mineralization information from remote sensing data is still great difficult at present.
这种类型的详细光谱信息，可以被用来生成对树木植被物种和某些强调的签名。
This type of detailed spectral information can be used to generate signatures of vegetation species and certain stresses on trees.
它们包含了一部分不是由植被变化所引起的伪变化信息。
However, the resultant different images of NDVI contained false change information that was not produced by the vegetation change.
土壤容库系统起中转筛检作用，反映地下馈供信息流与植被需求信息流的匹配程度不同；
The soil capacity system has transfering and screening effects, which display the different matching degree of supplied information and required information.
场景空间直接影响植被生长过程，因此是融合遥感信息和相关辐射计、传感器植被仿真模拟的重要组成部分。
Scenes intervene the process of plants growth directly, so that is a most important for plants simulation based on remote sensing information, radiometer and sensors.
在地理信息系统(GIS)支持下对黄土高原地区257个样方的植被进行了研究。
Vegetation for 257 samples in loess plateau were analyzed with the aid of GIS.
在使用混合像元线性分解基本模型的同时，也结合研究目标对其进行了改进与补充，效果令人满意，为中等植被覆盖区的专题信息的提取提供了一种方法。
Field survey and other information show that the practice of this paper can be adopted to extract thematic information for such areas with medium vegetation cover.
通过对雪的光谱特征分析，提出利用归一化积雪被指数NDSI结合归一化植被指数进行积雪信息提取的方法。
By analyzing the spectrum characteristic of snow, a method of extracting snow information was suggested based on index of NDSI and NDVI.
给出了植被覆盖区蚀变信息提取的实施方法与步骤。
Also the practical implementation procedure adapted to alteration information abstraction is explored.
第二章总结了水稻铅污染的生化响应及遥感信息机理，遥感植被指数及其在农作物污染胁迫中的遥感应用，并指出这些遥感植被指数的不足。
Chapter two introduces the biochemical reaction mechanism of rice under Pb pollution stress, and the vegetation indexes which are used in this field. Then it points the disadvantages of these indexes.
对草原遥感采用偏振测量，可以得到有别于强度测量的独特信息。本文涉及的两种类型草种样方的反射光偏振度均明显小于已有的其它植被偏振测量结果。
Polarization degrees of reflected sunlight for the two cases were found to be obviously smaller than the published ones for other canopies at similar viewing geometric conditions.
多数遥感系统虽然可以提供植被水平结构的图像，但是不能提供植被成分垂直分布的信息。
Most remote sensing systems, although providing images of the horizontal organization of canopies, do not provide direct information on the vertical distribution of canopy elements.
多数遥感系统虽然可以提供植被水平结构的图像，但是不能提供植被成分垂直分布的信息。
Most remote sensing systems, although providing images of the horizontal organization of canopies, do not provide direct information on the vertical distribution of canopy elements.
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