Window increasing technique to discriminate mathematical and physical resonant poles extracted from antenna response

A new approach called the window increasing technique (WIT) is presented to discriminate mathematical and physical poles extracted from a noisy antenna response. The principle of the WIT is to apply a pole extraction method on several windows of the response and then to observe the stability of the...

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Bibliographic Details
Published in:Electronics letters 2014-02, Vol.50 (5), p.343-344
Main Authors: Sarrazin, F, Pouliguen, P, Sharaiha, A, Potier, P, Chauveau, J
Format: Article
Language:English
Subjects:
Antennas
Antennas and propagation
Applied sciences
backscatter
Backscattering
Circuit properties
dipole antenna
Dipole antennas
electric far‐field backscattering
Electric, optical and optoelectronic circuits
Electronics
Engineering Sciences
Exact sciences and technology
Extraction
Mathematical analysis
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Noise
noisy antenna response
physical poles
pole extraction method
Poles
Stability
window increasing technique
window moving technique
WIT
WMT
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Summary:A new approach called the window increasing technique (WIT) is presented to discriminate mathematical and physical poles extracted from a noisy antenna response. The principle of the WIT is to apply a pole extraction method on several windows of the response and then to observe the stability of the extracted poles. To compare the WIT with the classical window moving technique (WMT), these two techniques are applied on the electric far-field backscattered by a dipole antenna. It is shown that, in the presence of noise, the WIT allows finding more physical poles with a good accuracy than does the WMT.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2013.3980