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Proceedings Paper

Improvement of setup calibration for radar cross section measurements
Author(s): Valentin Ilie Mihai; Liliana Anchidin; Razvan Tamas; Ala Sharaiha
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Paper Abstract

This paper aims to present a calibration optimization method for radar cross section measurement setup using time domain measurements. The proposed method requires a measurement of S21 parameter of a metallic plate with a known RCS at 13 different distances. A post processing technique reveals the correlations between the distances of measurements and time domain representations of S21 extracted parameter. Time-domain representation of S21 also depends on the wave propagation time on the antenna (Vivaldi and log-periodic) feeding line which inserts a delay. Time domain perspective clearly provides propagation delay data on antennas which are almost undetectable in frequency field. The principles of this method are provided together with experimental and simulation validations. At a distance of 22cm between antennas, mutual coupling influence affects every measurement set and is being reduced in post processing. This method also provides the impulse response of the whole measurement setup.

Paper Details

Date Published: 31 December 2018
PDF: 5 pages
Proc. SPIE 10977, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX, 109772S (31 December 2018); doi: 10.1117/12.2323286
Show Author Affiliations
Valentin Ilie Mihai, Univ. Politehnica of Bucharest (Romania)
Liliana Anchidin, Constanta Maritime Univ. (Romania)
Razvan Tamas, Constanta Maritime Univ. (Romania)
Ala Sharaiha, Institut d'Electronique et Télécommunications de Rennes (France)

Published in SPIE Proceedings Vol. 10977:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX
Marian Vladescu; Razvan D. Tamas; Ionica Cristea, Editor(s)

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