DocumentCode
2183185
Title
Relative accuracy of isolated and unisolated noise comparison radiometers
Author
Wait, D.F.
Author_Institution
Nat. Inst. of Stand. & Technol., Boulder, CO, USA
fYear
1994
fDate
June 27 1994-July 1 1994
Firstpage
256
Lastpage
257
Abstract
A rigorous radiometer equation is derived and used to develop better corrections and uncertainty estimates. Isolated and well corrected unisolated radiometers have similar accuracies for low reflection coefficient sources. To ignore corrections for the finite isolation of a radiometer, about 38 dB isolation is needed.<>
Keywords
amplifiers; calibration; electric noise measurement; error correction; measurement errors; radiometers; random noise; 38 dB; amplifiers noise; corrections; finite isolation; isolated radiometers; linear radiometer; reflection coefficient sources; unisolated noise comparison radiometers; Acoustic reflection; Coaxial components; Equations; Isolators; Linear systems; NIST; Noise measurement; Radiometers; Switches; Temperature;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements, 1994. Digest., 1994 Conference on
Conference_Location
Boulder, CO, USA
Print_ISBN
0-7803-1984-2
Type
conf
DOI
10.1109/CPEM.1994.333242
Filename
333242
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