Metallic spherical anechoic chamber for antenna pattern measurement

doi:10.1088/1674-1056/25/8/088401

Abstract Anechoic chambers are used for indoor antenna measurements. The common method of constructing an anechoic chamber is to cover all inside walls by the electromagnetic absorbers. In this paper, a fully metallic spherical chamber structure is presented in which the propagation of the electromagnetic waves inside the chamber is controlled and they are guided to an absorber. In the proposed method, an appropriate quiet zone is obtained, and unlike ordinary anechoic chambers, the absorber usage amount is reduced greatly. The performance of the chamber is evaluated by simulation. The results show that the proposed method could provide a useful technique for the indoor antenna measurements.

Keywords: absorber usage reduction anechoic chamber antenna measurements metallic spherical chamber

Received: 20 December 2015
Revised: 21 April 2016
Accepted manuscript online:

PACS:	84.40.Ba	(Antennas: theory, components and accessories)
	84.40.-x	(Radiowave and microwave (including millimeter wave) technology)
	41.20.Jb	(Electromagnetic wave propagation; radiowave propagation)

Corresponding Authors: Ali Farahbakhsh
E-mail: a_farahbakhsh@iust.ac.ir

Cite this article:

Ali Farahbakhsh, Mohammad Khalaj-Amirhosseini Metallic spherical anechoic chamber for antenna pattern measurement 2016 Chin. Phys. B 25 088401

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