Tracking Radiometer Calibration Stability Using Three-Point Onboard Calibration

被引：0
作者：
Aksoy, Mustafa [1 ]
Racette, Paul E. [2 ]
机构：
[1] SUNY Albany, Dept Elect & Comp Engn, Albany, NY 12222 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA
来源：
2018 IEEE 15TH SPECIALIST MEETING ON MICROWAVE RADIOMETRY AND REMOTE SENSING OF THE ENVIRONMENT (MICRORAD) | 2018年
关键词：
microwave radiometer; calibration; stability;
D O I：
暂无
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 of radiometers is implemented onboard using one hot and one cold external calibration targets. However, two-point calibration methods are unable to differentiate calibration drifts and associated errors from fluctuations in receiver gain and offset. This paper investigates the use of onboard three-point calibration algorithm for microwave radiometers to track calibration drifts and characterize associated errors in Earth and Space measurements of the radiometer.
引用
收藏
页码：147 / 150
页数：4
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