Computer Science – Sound
Scientific paper
Oct 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jatp...38..957f&link_type=abstract
Journal of Atmospheric and Terrestrial Physics, vol. 38, Sept.-Oct. 1976, p. 957-964.
Computer Science
Sound
1
D Region, Faraday Effect, Ionospheric Electron Density, Rocket Sounding, Electron Scattering, Error Analysis, Magnetoionics, Particle Collisions, Rocket Flight, Signal To Noise Ratios, Telemetry
Scientific paper
An improved Faraday rotation experiment is described which, by elimination of telemetry sampling errors, greatly reduces the measurement errors in defining the gradient of the polarization angle. Other sources of error, and the contribution of the measurement errors to the total error in D-region electron density measurements are discussed. The results of a rocket flight of the improved experiment are presented and compared with probe measurements on the same rocket. It is concluded that in the height range 70-90 km, measurement errors were reduced to the equivalent of between + or - 100 e/cu cm and + or - 200 e/cu cm with a resolution of about 1 km. In the collision dominated region below 70 km the equivalent errors are increased by factors of about 2 to 3.
France L. A.
Williams Robert E.
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