Scanning electromagnetic beam systems

Details Scanning electromagnetic beam systems Scanning electromagnetic beam systems

G - Physics

01

S

G01S 1/02 (2006.01) H01Q 3/26 (2006.01)

Patent

CA 2061399

ABSTRACT IMPROVEMENTS IN OR RELATING TO SCANNING ELECTROMAGNETIC BEAM SYSTEMS A scanning electromagnetic beam system comprising a source of electromagnetic energy, a linear antenna array comprising a plurality of radiator elements, beamformer means via which energy is fed from the source to the radiator elements of the array, phase control means for selectively controlling the phase of signals fed from the source via the beamformer means to the elements of the array, thereby to effect successive TO and FRO scans of the beam across a predetermined angular sector, amplitude control means for selectively controlling the amplitude of signals fed from the source via the beamformer means to the elements of the array thereby to effect a predetermined amplitude distribution across the array and modulator means effective to change the centroid of the distribution in successive TO/FRO scan pairs.

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