STUDY OF PHASED ARRAY ANTENNA AND RADAR TECHNOLOGY

A phased array antenna is a set of 2 or more antennas or arrays in which the signals from each array are combined or processed to achieve maximum improved performance over that of a single antenna. The phased array antenna is used; to maximize the signal to interference ratio (SINR); to determine the direction of arrival of the received signals; to steer the angle of array to achieve maximum gain and directivity; interference cancellation from a particular direction; increase overall directivity and gain and to deliver multiplicity reception.  In this paper, reduction of grating lobes and to achieve maximum beamforming and also the advantages and performance of phased array antenna has been discussed.