Near-field corrections to antenna factor of dipole antennas calibrated in very narrow OATS

Dong, Meng; Li, Xiao; Gao, Xiaoxun

doi:10.1109/icmmt.2010.5524881

Cited by 3 publications

(2 citation statements)

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“…The characterization of the structure of the full anechoic chamber and its elements was carried out with the finite integrals technique (FIT) [22,23] available under the CST microwave studio suite. This technique allows Maxwell equations resolution in the integral form described by (1)(2)(3)(4).…”

Section: Methods and Materials 21 Methodsmentioning

confidence: 99%

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A novel methodology for time-domain characterization of a full anechoic chamber for antennas measurements and exposure evaluation

Taybi¹,

Moutaouekkil²,

Elmagroud³

et al. 2021

IJECE

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<p>In this paper we present a novel methodology for time-domain characterization of a full anechoic chamber using the finite integral method. This approach is considered fast, accurate and not intensive for computer resources. The validation of this approach is carried out on CST-microwave studio for a full anechoic chamber intended for antennas measurement applications and electromagnetic exposure evaluation for cellular network. Low, medium and high gain sources are used in this study. The simulations are realized on a personal computer of medium performances (i7 CPU and 16 GB of RAM). The stability and the convergence of our approach are obtained thanks to local mesh and auto-regressive linear filtering techniques. The minimization of the simulation time is based on use of the Huygens sources in the place of the antennas. The maximum error of the chamber as well as the wave depolarization into the chamber are at one with the previous work and the catalogs of the principles chambers manufacturers for the proposed tests in this paper. The Full simulations time is about 15 hours in average.</p>

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Section: Methods and Materials 21 Methodsmentioning

confidence: 99%

“…Today, anechoic chamber becomes a perfect solution for antenna measurements [1] and for the assessment of exposition to electromagnetic fields (EMF) [2]. They allow to reproduce OATS conditions [3] in a limited, closed and protected environment. Different forms and types of anechoic chamber are presented in previous work [4,5].…”

Section: Introductionmentioning

confidence: 99%