Other
Scientific paper
Aug 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975dossr.223..852s&link_type=abstract
Akademiia Nauk SSSR, Doklady, vol. 223, Aug. 1, 1975, p. 852-855. In Russian.
Other
Atmospheric Radiation, Cosmos Satellites, Radiation Measurement, Satellite Observation, Submillimeter Waves, Earth Atmosphere, Microwave Radiometers, Satellite-Borne Instruments
Scientific paper
The structure and calibration of a high-sensitivity radiometer which was used onboard Cosmos 669 are discussed, and the results of observations of the submillimeter radiation of the earth's atmosphere are analyzed. The device is equipped with a Cassegranian telephoto lens having a primary spherical mirror 100 mm in diameter. Two helium-cooled detectors are located in an integrating ionization chamber. One is a boron-doped germanium detector operating at 60 to 130 micron wavelengths (strong absorption), the other in a n-InSb detector operating at 350 to 650 micron wavelengths (weak absorption). The brightness of atmospheric radiation at the nadir and its dependence on the nadir angle are determined from satellite observations over a four-day period. Large and small scale variations are correlated with general circulation patterns in the atmosphere.
Khaikin A. S.
Kobzev A. A.
Kovalev V. S.
Salomonovich Aleksandr Efimovich
Solomonov Sergey V.
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