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Comparison of Barium Fluoride Humidity Element with the Microwave Refractometer for Studies of Rapid Fluctuations of Atmospheric Humidity
Author(s) -
Bean B. R.,
Gilmer R. O.
Publication year - 1969
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs004i012p01155
Subject(s) - refractometer , humidity , refractive index , materials science , hygrometer , barium fluoride , barium , microwave , optics , fluoride , analytical chemistry (journal) , meteorology , optoelectronics , physics , chemistry , inorganic chemistry , chromatography , quantum mechanics , nuclear physics , metallurgy
Fluctuations of atmospheric humidity measured with a barium fluoride element and radio refractive index measured by a microwave refractometer are compared for a separation of 6 inches. Spectral coherence indicates good agreement up to frequencies of 2 to 4 Hz, which is also the frequency limit for good agreement between 2 refractometer cavities 12 inches apart.
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