首页 >  2000, Vol. 4, Issue (s1) : 71-80

摘要

全文摘要次数: 2757 全文下载次数: 21
引用本文:

DOI:

10.11834/jrs.2000S112

收稿日期:

1999-12-15

修改日期:

2000-08-10

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三维非同温表面热辐射方向性模型的室内模拟实验验证
1.中国科学院地理科学与资洲研究所,北京10010;2.北京师范大学遥感与地理信息系统研究中心,北京10067
摘要:

基于室内模拟实验,对遥感像元尺度地表热辐射方向性模型进行验证。当考虑地表像元具有明显的三维结构且像元内温度非均一时,像元辐射亮温的方向性取决于像元结构和像元组分的温差,对三维非同温表面的室内模拟和观测实验验证了基于这一思路建立的表面热辐射方向性模型。

Indoor Simulation and Validation of Thermal Radiation Directionality Model for Three Dimensional Surface with Heterogeneous Temperature
Abstract:

Based on the experiment of Indoor simulation in the laboratory, this paper applied the thenmal radiationdirectionality model to verify its effectiveness on pixel scale. When the corresponding ground surface is primarilycomposed of three dimensional structure and is of heterogeneous temperature in a pixel, the observing data and analysisshow that the directionality of radiant temperature of one pixel is due to the geometrical construction and thetemperature difference between the sub-components in the pixel. In the indoor simulation experiment of threedimensional heterogeneous surface, it proved that the thermal radiation directionality model worked well in temperatureinve川ng on pixel scale.

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