Pattern synthesis of array antennas with additional isolation of near field arbitrary objects

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Pattern synthesis of array antennas with additional isolation of near field arbitrary objects

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A new technique for synthesising array antennas in the presence of arbitrary obstacles in the near field region is presented. This technique allows a prescribed far field pattern to be synthesised, while trying to avoid coupling with near field obstacles through the constraint of minimising the radiated power over the obstacle surface. Some results have been obtained showing that the obstacles are finally isolated from the array antenna radiation.

Inspec keywords: antenna theory; antenna radiation patterns; antenna arrays

Other keywords: near field region; arbitrary obstacles; array antennas; isolation; prescribed far field pattern; radiated power; pattern synthesis

Subjects: Antenna theory; Antenna arrays

References

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      • L. Landesa , F. Obelleiro , J.L. Rodríguez , A.G. Pino . Pattern synthesis of array antennas in presence of conducting bodiesof arbitrary shape. Electron. Lett. , 18 , 1512 - 1513
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      • F. Obelleiro , L. Landesa , J.L. Rodríguez , A.G. Pino , M.R. Pino . Directivityoptimisation of an array antenna with obstacles within its near field region. Electron. Lett. , 25 , 2087 - 2088
    3. 3)
      • H. Steyskal . Synthesis of antenna patterns with prescribed nulls. IEEE Trans. Antennas Propag. , 2 , 273 - 279
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      • R.F. Harrington . (1993) Field computation by moment method.
    5. 5)
      • H. Steyskal . Synthesis of antenna patterns with imposed near field nulls. Electron. Lett. , 24 , 2000 - 2001
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