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Microwave holographic technique for reflector antenna profile measurement

Microwave holographic technique for reflector antenna profile measurement

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A short-range microwave holographic technique for the measurement of reflector antenna surface profile is described. The technique uses a linearly scanned transmit/receive CW probe located on-axis at approximately two focal lengths from the reflector vertex. Rotation of the reflector provides a plane-polar data set which can be reconstructed by a fast algorithm to provide a surface profile error map. No special precautions are required with regard to the reflectivity of the environment. Practical results are provided to illustrate the performance of the system.

References

    1. 1)
      • J.C. Bennett , A.P. Anderson , P.A. McInnes , A.J.T. Whitaker . Microwave holographic metrology of large reflector antennas. IEEE Trans. , 295 - 303
    2. 2)
      • Anderson, A.P., Bennett, J.C., Whitaker, A.J.T., Godwin, M.P.: `Measurement and optimisation of a large reflector antenna by microwave holography', IEE int. conf.on antennas and propagation, November 1978, London, p. 128–131.
    3. 3)
      • C.G. Parini , P.J.B. Clarricoats . Reflector antenna profile measurement using ultrasound. Electron. Lett. , 544 - 546
    4. 4)
      • J.C. Bennett , D.G. Swan . Microwave technique for reflector antenna profile measurement. Electron. Lett. , 560 - 561
    5. 5)
      • J.C. Bennett . Fast algorithm for calculation of radiation integral and its application to plane-polar near-filed/far-field transformation. Electron. Lett. , 343 - 344
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