• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >Qualitative Verification of CE-2's Microwave Measurement: Relative Calibration Based on Brightness Temperature Model and Data Fusion
【24h】

Qualitative Verification of CE-2's Microwave Measurement: Relative Calibration Based on Brightness Temperature Model and Data Fusion

机译：CE-2微波测量的定性验证：基于亮度温度模型和数据融合的相对校准

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The calibration quality of the Chang'E-2 (CE-2) microwave radiometer (MRM) and the accuracy of brightness temperature (TB) data should be adequately addressed. The quality of CE-2 MRM data can be demonstrated by the analysis and simulation of TB data with the microwave transfer model and by the relative comparison between the TB and other data sets. To calibrate the TB data in a relative way, we calculated the variation of TB with respect to the latitude over certain typical regions theoretically. Three types of areas in the Moon, including the old crater, the fresh crater, and the Apollo region, are chosen as examples. A detailed method incorporating the topographic effect is employed to compute the TB. The Lunar Reconnaissance Orbiter's Diviner infrared measurement is used to ensure the accuracy of the simulated physical temperature. The consistency of the TB undulation between simulations and observations along the profile of these regions verifies the reasonability of CE-2's TB data partly. Our simulation also confirms the topographic effect of sloping walls at the crater rims on the solar heat flux received per unit surface area and reproduces the TB undulation observed by CE-2. Rock abundance and topography data are used for qualitative comparison with the CE-2 TB data. General similarity between the diurnal TB difference and the altitude profile over most craters and the similarity between the diurnal TB difference and the rock abundance profile over fresh craters can prove the relative qualification of CE-2 MRM data to a certain degree.
机译：'娥二号（CE-2）微波辐射计（MRM）的校准质量和亮度温度（TB）数据的准确性应得到适当解决。 CE-2 MRM数据的质量可以通过使用微波传输模型对结核病数据进行分析和仿真，以及通过结核病与其他数据集之间的相对比较来证明。为了以相对方式校准TB数据，我们在理论上计算了TB在某些典型区域上相对于纬度的变化。以月球陨石坑，旧陨石坑和阿波罗地区三种类型的区域为例。结合地形效应的详细方法用于计算TB。月球侦察轨道的Diviner红外测量用于确保模拟物理温度的准确性。沿着这些区域的剖面，模拟和观测之间结核病波动的一致性部分证明了CE-2结核病数据的合理性。我们的模拟还确认了火山口边缘的倾斜壁对单位表面积接收的太阳热通量的地形影响，并再现了CE-2观测到的结核病起伏。岩石丰度和地形数据用于与CE-2 TB数据进行定性比较。大多数陨石坑的日TB差异与海拔剖面之间的普遍相似性以及新鲜陨石坑的日TB差异与岩石丰度剖面之间的相似性可以在一定程度上证明CE-2 MRM数据的相对资格。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号