A study of different fabrics to increase radar cross section of humans.

Torbjörn Ödman, Jan Welinder, Nils Andersson, Magnus Otterskog, Maria Lindén, Natalia Ödman, Christer Larsson

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


This purpose of the study was to increase the visibility on radar for unprotected pedestrians with the aid of conducting fabric. The experiment comprised measurements of four types of fabric to determine the radio frequency properties, such as radar cross section (RCS) for the vehicle radar frequency 77 GHz and transmission (shielding) in the frequency range 3-18 GHz. Two different thicknesses of polypyrrole (PPy) nonvowen fabric were tested and one thickness for 30 % and 40 % stainless steel fabrics respectively. A jacket with the thinner nonvowen material and one with 40 % steel were tested and compared to an unmodified jacket in the RCS measurement. The measurement showed an increase in RCS of 4 dB for the jacket with the 40 % steel lining compared to the unmodified jacket. The transmission measurement was aimed at determining the fabric with the highest transmission of an incoming radio wave. The 30 % steel fabric and the two thicknesses of the nonvowen fabrics were tested. One practical application is for example the use of radar reflective material in search and rescue (SAR) clothes. The study showed that the 30 % steel fabric was the best candidate for further RCS measurements.
Sidor (från-till)201-206
TidskriftStudies in Health Technology and Informatics
StatusPublished - 2015

Ämnesklassifikation (UKÄ)

  • Medicinska material och protesteknik


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