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Article Dans Une Revue IEEE Antennas and Wireless Propagation Letters Année : 2010

Accurate Radiation-Pattern Measurements in a Time-Reversal Electromagnetic Chamber

Résumé

In a recent paper [1], we have introduced the concept of the Time-Reversal Electromagnetic Chamber (TREC), a new facility for creating coherent wave-fronts within a reverberation chamber. This facility, based on the use of time-reversal techniques in a reverberating environment, is here shown to be also a useful tool for the characterization of the field radiated by an antenna under test (AUT). The TREC is proven to be capable of providing real-time measurements, with an accuracy typically better than 1 dB over the main lobes, while using a limited number of static probe antennas. This performance is made possible by taking advantage of the reflections over the chamber's walls, in order to gain access to the field radiated along all the directions, with no need to mechanically displace the probes, or to have a full range of electronically switched ones. A 2D numerical validation supports this approach, proving that the proposed procedure allows the retrieval of the free-space radiation pattern of the AUT.
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Dates et versions

hal-00511275 , version 1 (08-11-2010)

Identifiants

  • HAL Id : hal-00511275 , version 1

Citer

Andrea Cozza, Abdelbassir Abou-El-Aileh. Accurate Radiation-Pattern Measurements in a Time-Reversal Electromagnetic Chamber. IEEE Antennas and Wireless Propagation Letters, 2010, 52 (2), pp.186-193. ⟨hal-00511275⟩
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