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Analysis of finite arrays-a new approach

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2 Author(s)
Tomasic, B. ; Air Force Res. Lab., Hanscom AFB, MA, USA ; Hessel, A.

A novel method for the analysis of finite arrays is presented. The method is based on a global array concept where the array problem (for single-mode elements) is reduced to a solution of a single Fredholm integral equation of the second kind. This formulation offers several types of solutions (not all explored yet) with illuminating results. The approximate solution of this integral equation, for example, yields finite array characteristics in terms of equivalent infinite array scattering parameters and mutual admittances. The method is general, i.e., applicable to any element-type and periodic array geometry. Presently, the method applies to single-mode elements (one unknown per element), however, it can be extended to a multimode analysis

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Antennas and Propagation, IEEE Transactions on  (Volume:47 ,  Issue: 3 )