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Radiation patterns of a reflector antenna incorporating a compensating secondary mirror

Radiation patterns of a reflector antenna incorporating a compensating secondary mirror

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© The Institution of Electrical Engineers
Published

Amplitude patterns for parabolic antennas 82 cm in diameter with compensating subreflectors and with a standard hyperboloid have been computed using the Kirchhoff-Huygens-Silver integration method. Patterns at 3 mm wavelength are illustrated together with phase and amplitude patterns for the subreflectors. The predicted improvements at 1 and 3 mm are discussed.

Inspec keywords: reflector antennas; antenna radiation patterns

Other keywords: radiation patterns; parabolic antennas; compensating subreflectors; reflector antenna; Kirchoff Huygens Silver integration; compensating secondary mirror

Subjects: Antenna theory; Single antennas

References

    1. 1)
      • R.J. Langley , E.A. Parker . Wave scattering from error compensating secondary reflectors. IEEE Trans. Antennas & Propag.
    2. 2)
      • S. Silver . (1949) , Microwave antenna theory and design.
    3. 3)
      • S. von Hoerner . The design of correcting secondary reflectors. IEEE Trans. , 336 - 340
    4. 4)
      • E.A. Parker , P.R. Cowles . A method for compensating for reflector antenna surface errors with long correlation lengths. Electron. Lett. , 366 - 367
    5. 5)
      • Cowles, P.R.: `Studies of millimetre wave aerials', 1973, Ph.D. Thesis, University of Kent, Canterbury, chap. 4.
    6. 6)
      • P.R. Cowles , E.A. Parker . Reflector surface error compensation in Cassegrain antennas. IEEE Trans. , 323 - 328
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