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Aerial arrays with asymmetrical thinning

Aerial arrays with asymmetrical thinning

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The use of asymmetrical element spacings in thinned aerial arrays is shown to give symmetrical radiation patterns. The use of asymmetrical element spacings gives lower sidelobe levels than symmetrical spacings. With an array of nine elements in a 19λ array, the greatest sidelobe level is reduced from −5.61 dB to −6.87 dB by using an asymmetrical array instead of a symmetrical array.

References

    1. 1)
      • Y.T. Lo , S.W. Lee . A study of space tapered arrays. IEEE Trans. , 22 - 30
    2. 2)
      • M.I. Skolnik , G. Nemhauser , J.W. Sherman . Dynamic programming applied to unequally spaced arrays. IEEE Trans. , 35 - 43
    3. 3)
      • R.K. Arora , N.C.V. Krishna Macharyulu . Synthesis of unequally spaced arrays using dynamic programming. IEEE Trans. , 593 - 595
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