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Design of metallic parabolic anechoic chamber for compact range measurement

Design of metallic parabolic anechoic chamber for compact range measurement

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Anechoic chambers are used for indoor antenna measurements. The common method for anechoic chamber construction is to cover all inside walls by the EM absorbers. A fully metallic parabolic chamber is presented in which the propagation of the EM waves inside the chamber is controlled and they are guided to an absorber. In the proposed method, an appropriate quiet zone with plane wave illumination is obtained, and unlike ordinary anechoic chambers the absorber usage is decreased greatly. The performance of the chamber is evaluated by simulation and the results showed that the proposed method could provide a useful technique for the compact range antenna measurements.

References

    1. 1)
      • 1. Hemming, L.H.: ‘Electromagnetic anechoic chambers: a fundamental design and specification guide’ (Wiley-IEEE Press, Piscataway, NJ, USA, 2002).
    2. 2)
    3. 3)
    4. 4)
      • 4. Evans, E.G.: ‘Antenna measurement techniques’ (Artech House, London, 1990).
    5. 5)
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