Electromagnetic Design and Performance of a Conical Microwave Blackbody Target for Radiometer Calibration

A conical cavity has been designed and fabricated for use as a broadband passive microwave calibration source, or blackbody, at the National Institute of Standards and Technology. The blackbody will be used as a national primary standard for brightness temperature and will allow for the prelaunch ca...

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Veröffentlicht in:	IEEE transactions on geoscience and remote sensing 2017-08, Vol.55 (8), p.4586-4596
Hauptverfasser:	Houtz, Derek A., Emery, William, Dazhen Gu, Jacob, Karl, Murk, Axel, Walker, David K., Wylde, Richard J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Blackbody Brightness Brightness temperature brightness-temperature standard Broadband Calibration calibration source calibration target Carbonyl powders cold load Complex permittivity Design Emissivity Epoxy compounds Finite element method hot load Incidence Iron Magnetic permeability Mathematical models microwave absorber Microwave imagery Microwave measurement Microwave radiometry Modelling NIST Optics Permeability Permittivity Polarization Powder radiometer calibration Radiometers Reflectance Remote sensing Standing waves Surface radiation temperature Technology Temperature effects Temperature gradients Temperature measurement Vacuum
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