Retrieval of a wind profile from the Galileo Probe telemetry signal

Details Retrieval of a wind profile from the Galileo Probe telemetry signal Retrieval of a wind profile from the Galileo Probe telemetry signal

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ssrv...60..143p&link_type=abstract

Space Science Reviews (ISSN 0038-6308), vol. 60, no. 1-4, May 1992, p. 143-178.

Physics

11

Galileo Probe, Jupiter Atmosphere, Satellite-Borne Instruments, Signal Processing, Telemetry, Wind Profiles, Doppler Effect, Least Squares Method, Vertical Distribution

Scientific paper

The zonal wind speed profile within Jupiter's upper troposphere is to be estimated on the basis of its influence on the frequency of the Galileo Probe's telemetry signal; this is achieved by linearizing the relativistic Doppler shift equation about a state of zero wind speed, expanding the zonal wind series in a Legendre polynomial series, and reducing the resulting equations to a linear, least-squares problem. If the error sources have magnitudes not greater than those presently assumed, the retrieved wind speed profiles can place a key constraint on the basic drive for the atmospheric circulation, as well as anchoring winds derived from Galileo Orbiter images to well-defined vertical positions in the atmosphere.

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