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中文摘要：
地物光谱特征是遥感机理的重要内容，也是遥感应用研究的重要依据；既是传感器波段选择和设计的依据，又是对遥感数据进行解译及各种定量分析的基础。本研究以深处内陆盆地、典型的干旱区于田绿洲作为研究区，利用便携式野外光谱仪，对研究区内主要植被地物进行了地面调查及反射光谱曲线测量；分析了植被的反射光谱曲线，并对植被光谱进行了导数、“红边”效应等研究，对比了健康植被和非健康植被光谱特征的差别，对研究区内的其他典型地物光谱特征也进行了分析。所得结论对于干旱区地物光谱特征基础研究具有重要意义。
英文摘要：
The study took the Yutian as the test site, which is located at inland basin and is a typical arid area. The eartli surface investigation and the measures about the reflectivity spectrum curve for the main vegetation and all kinds of the earth surface object were made by applying the portable outdoor spectrum radiometer. The reflectivity spectrum curves of the vegetation and red side effect of the vegetation spectrum were analyzed. The spectrum of the health vegetation was compared with the diseased vegetation. The other typical earth surface object＇s reflectivity spectrum curves were also analyzed.
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