Physics
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....6967c&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #6967
Physics
Scientific paper
En route to Saturn, the Cassini/Huygens is carrying away a very sophisticated radio receiver, part of the Radio and Plasma Wave Science (RPWS) Experiment. Connected to a 3-monopoles antenna system, the receiver measures a set of auto- and cross-correlations between the antenna voltages induced by incoming electromagnetic waves. These sets of data can be used to achieve either Direction Finding (i.e. retrieving wave polarization, flux and direction of arrival) or antenna calibrations (i.e. retrieving the relative lengths and absolute directions of the effective electrical antennas in the spacecraft frame). Accurate Direction Finding results require precise antenna system calibration. We have developed a fully analytical inversion method for retrieving antenna parameters. When applied to the calibration roll maneuvers preformed during the Jupiter fly-by, it allows us to derive the effective antenna parameters with an accuracy better then 2{}^o.
Cecconi Baptiste
Gurnett Donald
Kurth William
Vogl D.
Zarka Ph.
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