Time-frequency radar processing for meteor detection

Chun Hsien Wen, John F. Doherty, John David Mathews

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In this paper, we present signal processing techniques to detect meteor returns from Arecibo Observatory 430-MHz UHF radar data. We exploit the characteristics of the transmit waveform in the frequency domain as well as in the time domain. Two detection methods are investigated. First, when a meteor is present in the radar return over several interpulse periods, there will be a periodic structure in frequency spectrum. By detecting this structure, we detect the presence of a meteor. Second, we construct a matched filter bank to detect the energy of different Doppler frequency components. When the energy exceeds a certain threshold, we declare meteor detection. We also find the altitude of a meteor by finding the peak of the matched filter output. Analytical and experimental results show that we can efficiently and reliably detect meteors using these methods.

Original languageEnglish (US)
Pages (from-to)501-510
Number of pages10
JournalIEEE Transactions on Geoscience and Remote Sensing
Volume42
Issue number3
DOIs
StatePublished - Mar 1 2004

Fingerprint

Matched filters
meteoroids
meteor
radar
Radar
Periodic structures
Filter banks
Observatories
Processing
Signal processing
matched filters
filter
radar data
signal processing
detection method
energy
detection
observatories
waveforms
observatory

All Science Journal Classification (ASJC) codes

  • Computers in Earth Sciences
  • Geochemistry and Petrology
  • Geophysics
  • Electrical and Electronic Engineering

Cite this

Wen, Chun Hsien ; Doherty, John F. ; Mathews, John David. / Time-frequency radar processing for meteor detection. In: IEEE Transactions on Geoscience and Remote Sensing. 2004 ; Vol. 42, No. 3. pp. 501-510.
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Time-frequency radar processing for meteor detection. / Wen, Chun Hsien; Doherty, John F.; Mathews, John David.

In: IEEE Transactions on Geoscience and Remote Sensing, Vol. 42, No. 3, 01.03.2004, p. 501-510.

Research output: Contribution to journalArticle

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