Analyzing radar meteor trail echoes using the fresnel transform technique: A signal processing viewpoint

Arnab Roy, John F. Doherty, John D. Mathews

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Several techniques have been proposed for measuring speeds of meteoroids observed using radars. A recent technique involves the use of Fresnel transforms to accurately determine the speed of a meteoroid producing the trail. We follow a numerical modeling approach to analyze this technique in detail. Our studies indicate that high sensitivity to background noise levels might be a possible shortcoming of the Fresnel transform method. A matched filtering approach is presented as an alternative to alleviate this sensitivity to the noise problem. Performance of the two techniques is compared using numerical modeling and data from a 30 MHz radar.

Original languageEnglish (US)
Pages (from-to)27-39
Number of pages13
JournalEarth, Moon and Planets
Volume101
Issue number1-2
DOIs
StatePublished - Oct 2007

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

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