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

页码：147 / 150

页数：4

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