Numerical check of g.t.d. near-field calculations for the meteosat satellite

Numerical check of g.t.d. near-field calculations for the meteosat satellite

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The near-field and the far-field patterns from the high-gain S band antenna an the METEOSAT are calculated by the geometrical theory of diffraction. The far field is transformed into the near field through an expansion in spherical harmonics. The resulting transformed field agrees well with the g.t.d. near field.


    1. 1)
      • Nicolai, C., Palumbo, B.: `Studio e pro getto elettrico del sistema di antenna del satellite METEOSAT', Conference proceedings of symposium on satellite and telecommunications, 1975, arranged by the Italian Electrical Association, Trieste.
    2. 2)
      • A.C. Ludwig . Near-field far-field transformations using spherical-wave expansions. IEEE Trans. , 214 - 220
    3. 3)
      • R.G. Kouyoumjian , P.H. Pathak . A uniform geometrical theory of diffraction for an edge in a perfectly conducting surface. Proc. Inst. Elec. Electron. Eng. , 1448 - 1461
    4. 4)
      • A.C. Ludwig . Numerical check on the accuracy of spherical-wave expansions. Electron. Lett. , 202 - 203

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