ARRAY ANTENNA WITH IRREGULAR MESH AND POSSIBLE COLD REDUNDANCY

摘要

A transmit and/or receive array antenna comprises an array (R) of sub-arrays (SR) of at least one radiating element (ER) and control means for controlling the amplitude and/or the phase of the radio frequency signals to be transmitted or received in the form of waves by each of the sub-arrays (SR) so that they send or receive signals according to a chosen pattern. The sub-arrays (SR) comprise a mean number of radiating elements (ER) which increases from the centre of the array (R) towards its periphery, and are arranged with respect to one another in such a way as to constitute an irregular mesh offering pattern sidelobes of low intensity and a high gain in a favoured direction.