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A New Technique for Radar Meteor Speed Determination: Inter-pulse Phase Changes from Head Echoes

Published online by Cambridge University Press:  27 February 2018

A.D. Taylor ,
M.A. Cervera ,
W.G. Elford  and
D.I. Steel
A.D. Taylor
Affiliation:
Department of Physics and Mathematical Physics, The University of Adelaide, Adelaide, SA 5005, Australia
M.A. Cervera
Affiliation:
Department of Physics and Mathematical Physics, The University of Adelaide, Adelaide, SA 5005, Australia
W.G. Elford
Affiliation:
Department of Physics and Mathematical Physics, The University of Adelaide, Adelaide, SA 5005, Australia
D.I. Steel
Affiliation:
Department of Physics and Mathematical Physics, The University of Adelaide, Adelaide, SA 5005, Australia

Abstract

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We have implemented a 54 MHz radar located near Adelaide, South Australia, for novel forms of meteor observation. Here we describe a radically new form of meteor speed determination: we measure the rate of phase change for head echoes obtained from meteors propagating down the beam towards the radar. These not only provide speeds of unprecedented precision, but also deliver accurate deceleration measurements, these being of importance in understanding the meteoroid ablation process and exploring the physical parameters of such bodies.

Type
II. Meteors
Information
International Astronomical Union Colloquium , Volume 150: Physics, Chemistry and Dynamics of Interplanetary Dust , 1996 , pp. 75 - 78
Copyright
Copyright © Astronomical Society of the Pacific 1996

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