Deconvolution of the Impulse Response of a Conducting Sphere by the Conjugate Gradient Method

Fung I. Tseng, Tapan K. Sarkar

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Abstract

An experimental technique for determining the impulse response of a conducting sphere has been presented. A method of exciting and recording transient waveforms scattered from conducting spheres of various sizes has been described and extensively tested. A modified conjugate-gradient method has been applied to the transient waveforms to determine the impulse response of the objects. It is shown that by proper weighting in computing the residual in the conjugate-gradient method the oscillation due to noise could be reduced. A recently developed data-processing technique has been applied to these impulse responses to obtain their spectra, which yield adequately the resonant frequencies of the objects.

Original languageEnglish (US)
Pages (from-to)105-110
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Volume35
Issue number1
DOIs
StatePublished - Jan 1987

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ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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