Computer Science – Performance
Scientific paper
Sep 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979rsci...50.1120g&link_type=abstract
Review of Scientific Instruments, vol. 50, Sept. 1979, p. 1120-1122
Computer Science
Performance
2
Black Body Radiation, Calibrating, Microwave Radiometers, Millimeter Waves, Radio Telescopes, Temperature Measurement, Dielectrics, High Temperature Tests, Liquid Nitrogen, Noise Reduction, Reflectance
Scientific paper
The paper describes a blackbody high-temperature reference load designed to calibrate microwave radiometers at frequencies of 80-150 GHz. This constructed blackbody load is part of the calibration system of the 80-150-GHz receivers for a specific 14-m radio telescope. The discussion focuses on a description of the construction of the load and the measurements of its performance. An effective temperature of 410 K and a power reflection coefficient of less than 0.0005 have been measured at frequencies in the range 85-95 GHz.
Goldsmith Paul F.
Iwasaki R. S.
Kot R. A.
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