Application of matched filtering to short whistlers recorded at low latitudes

R. P. Singh, Rajesh Singh, Lalmani, D. Hamar, J. Lichtenberger

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The matched filtering and parameter estimation technique has been successfully used to analyze short whistlers (frequency range ∼1 kHz) recorded at low-latitude station Jammu (geom. lat.=22°16′N, L=1.17), India. The analyzed whistlers recorded on June 5, 1997 during magnetically quiet period are found to have propagated along higher L-values (L>3.5). In some cases there is no correspondence in their dispersion value and derived L-value, which shows the complexity of the propagation mechanism. Trace-splitting and fine structure present in dynamic spectra may yield additional information about the propagation mechanism.

Original languageEnglish
Pages (from-to)407-413
Number of pages7
JournalJournal of Atmospheric and Solar-Terrestrial Physics
Volume66
Issue number5
DOIs
Publication statusPublished - Mar 1 2004

Keywords

  • Ducted propagation
  • Matched filtering
  • Trace-splitting
  • Whistlers

ASJC Scopus subject areas

  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science

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