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Design and development of an autocalibrating radiometer for deep sea biooptical studies
Title
Design and development of an autocalibrating radiometer for deep sea biooptical studies.
Creator
Widder, Edith A., Caimi, F. M., Taylor, Lawrence D., Tusting, Robert F.
Date Issued
1992
PURL
http://purl.flvc.org/FCLA/DT/3351950
Subject Headings
Radiometers, Radiometers--Design and construction, Underwater light--Measurement, Radiometers--Calibration
Format
Document (PDF)
Ka-band radiometry in the Advanced Communications Technology Satellite (ACTS) system
Title
Ka-band radiometry in the Advanced Communications Technology Satellite (ACTS) system.
Creator
Bourgeois, Monique Jacqueline., Florida Atlantic University, Helmken, Henry
Abstract/Description
The Advanced Communications Technology Satellite propagation experiment was designed by NASA to study the effects of precipitation, primarily rain, on Ka frequency band signals. Two beacon signals, transmitted from the satellite, provide attenuation data that is recorded by a propagation terminal located in Tampa, Florida. The received beacon data contains a DC bias and diurnal effects and is therefore uncalibrated. Radiometers, centered at each beacon carrier frequency, are used to set the 0...
Show moreThe Advanced Communications Technology Satellite propagation experiment was designed by NASA to study the effects of precipitation, primarily rain, on Ka frequency band signals. Two beacon signals, transmitted from the satellite, provide attenuation data that is recorded by a propagation terminal located in Tampa, Florida. The received beacon data contains a DC bias and diurnal effects and is therefore uncalibrated. Radiometers, centered at each beacon carrier frequency, are used to set the 0 dB reference level for the beacon data, using constants determined through radiometer calibration techniques. The details of this process are examined using actual propagation data.
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Date Issued
1997
PURL
http://purl.flvc.org/fcla/dt/15374
Subject Headings
Advanced Communications Technology Satellite, Artificial satellites in telecommunication, Radiometers
Format
Document (PDF)