Observation of semi anechoic room influence on high frequency antenna measurements

Pospisilik, Martin; Adámek, Milan; Neumann, Petr; Kovář, Stanislav

doi:10.1088/1742-6596/1065/5/052034

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2020

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“…Antennas and Microwave devices needs to undergo an overall test to govern their operational status of their frequency, polarization and radiation pattern before the placement. As such that, there had to be a testing region and one of which was the establishment of anechoic room [1]. A semi-anechoic chamber is a quietest room of the earth designed to perform the experiments of different antennas and microwave devices.…”

Section: Introductionmentioning

confidence: 99%

Design of Microwave Pyramidal Absorber for Semi Anechoic Chamber in 1 GHz~20 GHz range

Ali¹,

Muneer²,

Chowdhry³

et al. 2020

IJWMT

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In this paper, the design and development of wideband microwave pyramidal absorbers for semi anechoic chambers has been presented. This work is carried out with the goal of simulating and fabricating the microwave absorber using conventional and newest material such as polyurethane to save the budget cost with security and reliability. The simulation of absorber is performed via Computer Simulation Technology (CST) for the microwave frequencies 1 GHz to 20 GHz. The outcomes of simulation proved good absorbing efficiency and better RCS reduction compared to traditional microwave absorber. The reflection level is less than-30 to-10 dB over the desired frequency range of 1 GHz ~ 20 GHz.

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Section: Introductionmentioning

confidence: 99%