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Mutual coupling effects in large antenna arrays II: Compensation effects

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2 Author(s)
Edelberg, S. ; MIT Lincoln Laboratory, Lexington, MA, USA ; Oliner, A.A.

Mutual coupling effects in a large array cause a variation in the input impedance as a function of scan angle. This variation can be reduced considerably by the use of a compensating structure which appropriately modifies the environment of the array. A two-dimensional dipole array is treated as a typical example, and its input impedance is calculated by means of a unit cell equivalent network as a function of scan angle for different environmental situations. Reasonably constant performance up to scan angles ofpm 60degis obtained on use of a periodic baffle compensation structure.

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Antennas and Propagation, IRE Transactions on  (Volume:8 ,  Issue: 4 )