The performance analysis of microwave radiometers is often
simplified assuming that most/all circuits are perfectly matched
and that all are at the same physical temperature. However, the
increasing performances demanded to future instruments makes
necessary to assess their performance including all these effects:
actual complex S-parameters of the different subsystems (non-zero
insertion losses, finite matching, finite isolation….), physical
temperature gradients etc. in view to devise a software correction,
when it is not possible to warrant them by design. A full noisewave
analysis is presented in this paper.
CitationCamps, A. Noise wave analysis of Dicke and noise injection radiometers: Complete S parameter analysis and effect of temperature gradients. "Radio science", 17 Setembre 2010, vol. 45, núm. RS5004, p. 1-9.
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