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Power Synthesis for Reconfigurable Arrays by Phase-Only Control With Simultaneous Dynamic Range Ratio and Near-Field Reduction

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2 Author(s)
Buttazzoni, G. ; Univ. of Trieste, Trieste, Italy ; Vescovo, R.

An iterative method of power synthesis for reconfigurable arrays of arbitrary geometry is presented, which is based on the method of successive projections. The algorithm allows to synthesize a number of desired patterns, each reconfigurable into any of the others by phase-only control. The excitation amplitudes are optimized, and their dynamic range ratio (DRR) is reduced below a given threshold. Furthermore, the radiated field can be reduced below a prescribed level in a given region close to the antenna. As a particular important case, the method allows to perform a “discrete” phase controlled beam-scanning.

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Antennas and Propagation, IEEE Transactions on  (Volume:60 ,  Issue: 2 )