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After the successful launch of the SMOS satellite, on November 2009 at 02:50 CET (01:50 UT) from the Plesetsk Cosmodrome in northern Russia, a preliminary evaluation of the payload calibration strategy has been undertaken in order to assess the instrument performance and establish the operational measurement and calibration configuration. With this objective in mind, this work presents a preliminary...
The sensitivity of a radiometer to the brightness temperature variations of the target is one of the critical parameters of any radiometric measurement. The sensitivity is limited by the noise in the measurement and the stability of the instrument. In this study measurements in an anechoic chamber are used to evaluate the sensitivity limit of radiometers, which are the noise injection radiometers...
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