Optimisation of tipping curve calibration of microwave radiometer

被引：7
|
作者：
D'Orazio, A [1 ]
De Sario, M [1 ]
Gramegna, T [1 ]
Petruzzelli, V [1 ]
Prudenzano, F [1 ]
机构：
[1] Politecn Bari, Dipartimento Elettr & Elettrotecn, I-70125 Bari, Italy
来源：
ELECTRONICS LETTERS | 2003年 / 39卷 / 12期
关键词：
D O I：
10.1049/el:20030622
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Absolute calibration is a fundamental task to guarantee the accuracy of microwave radiometer measurements. The influence of a few factors (radiometer antenna pattern. radiometer pointing error, system random noise and the effect of earth curvature), on the tipping curve calibration process is shown. It is found that an accurate tipping curve is obtained when a high number of observation angles, not under the horizontal line, is considered.
引用
收藏
页码：905 / 906
页数：2
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