Diviner红外温度与嫦娥卫星微波探测仪月表亮温的比较分析

冉真; 王振占; 李芸

doi:10.11728/cjss2014.03.249

Diviner红外温度与嫦娥卫星微波探测仪月表亮温的比较分析

doi: 10.11728/cjss2014.03.249

冉真^1,2,
王振占^1, ,,
李芸¹

1.
中国科学院空间科学与应用研究中心中国科学院微波遥感技术重点实验室北京 100190
2.
中国科学院大学北京 100049

基金项目: 国家高技术研究发展计划项目资助（2010AA12220405）

详细信息

通讯作者:
王振占,E-mail:wangzhenzhan@mirslab.cn

中图分类号: P172
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- 被引次数: 0
出版历程
- 收稿日期: 2013-05-15
- 修回日期: 2014-01-16
- 刊出日期: 2014-05-15

Comparison between Diviner Data and CELMS Data

Ran Zhen^1,2,
Wang Zhenzhan^{1
, ,},
Li Yun¹

1.
Key Laboratory of Microwave Remote Sensing, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190
2.
University of Chinese Academy of Sciences, Beijing 100049

摘要

摘要: 提出使用高分辨率的Diviner辐射计红外温度作为月壤热传导的边界输入条件，使得月壤物理温度廓线的模拟更接近月表真实情况. 利用Diviner物理温度廓线模拟的微波亮温与嫦娥二号卫星微波探测仪（CELMS2）的实测亮温匹配，来分析CELMS2数据的有效性和稳定性，为月壤微波特性的反演奠定基础. 以哥白尼坑区域为例，对比分析了Diviner辐射计红外通道温度与CELMS1实测微波亮温的变化趋势. 选择月球虹湾地区内一位置点（45.1°-45.5°N，33.1°-33.5°W），分析了CELMS2在该位置点内5个月球时刻的亮温数据. 通过对实测亮温与模拟亮温在经纬度和太阳高度角的匹配分析得到，在高频微波通道内两者的相关性达到96%以上，表明嫦娥二号微波探测仪亮温数据具有较高的稳定性，可以为月壤特性反演研究提供可靠数据来源.
- 亮温模拟 /
- 嫦娥二号微波探测仪 /
- Diviner辐射计
Abstract: With a selected spot (45.1°-45.5°N, 33.1°-33.5° W) in Sinus Iridum, the measurements by Chang'E Lunar Microwave Sounder (CELMS) at five different lunar local time are analyzed. Then the lunar microwave brightness temperatures at four different frequencies of CELMS are simulated based on the microwave radiative transfer model. Grounded on the analyses for CELMS2 measurement as well as the simulated brightness temperatures in matched longitude, latitude and solar elevation angle, it is suggested that these two kinds of brightness temperature have a high correlation coefficient which can tend to 96%. Therefore, the stability of measurements of CELMS2 is verified.
- Microwave brightness temperature /
- Chang’E-2 Lunar Microwave Sounder (CELMS) /
- Diviner radiometer

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参考文献(16)

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