Multipath and ground clutter analysis for a UWB noise radar

Muhammad Dawood, Ram M. Narayanan

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

An ultrawideband (UWB) random-noise radar operating in the 1-2 GHz frequency band has been developed and field-tested up to a 200 m range at the Environmental Remote Sensing Laboratory (ERSL) of the University of Nebraska. A unique heterodyne correlation technique based on a delayed transmitted waveform using a photonic delay line has been used to inject coherence within this system. The performance of this radar in the presence of ground reflections is investigated analytically and experimentally, and the mitigating effects of UWB waveform on multipath-induced interference are analyzed. In addition, the ground clutter statistics, in a look-down mode, are theoretically established and experimentally verified. The performance of this radar in detecting clutter embedded targets with small radar cross section (RCS) is also experimentally examined.

Original languageEnglish (US)
Pages (from-to)838-853
Number of pages16
JournalIEEE Transactions on Aerospace and Electronic Systems
Volume38
Issue number3
DOIs
StatePublished - Jul 2002

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Electrical and Electronic Engineering

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