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中文摘要：
非同温混合像元红外辐射存在尺度效应,基于尺度的基本影响因素,本文利用大气校正法进行地表温度反演,用最邻近法进行地表温度的升尺度,分析尺度对反演精度的影响。结果表明：用该方法进行地表温度反演精度较高,有85.15%像元的精度在2℃以内,但是水体反演精度较差。尺度对地表温度反演有一定影响,如何确定合适的尺度和研究出针对水体表面温度反演较好的方法是今后研究的重要方向。
英文摘要：
Non isothermal mixed pixel infrared radiation has scale effect, based on scale basic influence factors, using the atmospheric correction method to inversion the land surface temperature, using the nearest neighbor method to scaling up for land surface temperature, analysis of the influence of scale on the inversion accuracy. The results show that the method is highly accurate in surface temperature inversion, the accuracy of 85.15% pixels is less than 2℃ ,but the inversion accuracy of water body is poor. Scale has a certain effect on the surface temperature inversion, how to determine the suitable scale and study on the method for the water surface temperature inversion better is an important research direction in the future.
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