Patent ID: 6980614
Filing Date: 2005-12-27
Classification: G01S,H01Q

Abstract:
1. A beamforming system adapted for use with an array antenna having a plurality of antenna elements, said beamforming system comprising: first means for transforming a signal received by said antenna into a plurality of frequency subbands, wherein said first means includes a radio frequency receiver, an analog-to-digital converter coupled to the output of said radio frequency receiver and adapted to provide a plurality of samples in response to receipt of said signal, means for forming blocks of said samples, means for amplitude weighting said sample blocks to provide a windowing function with respect thereto, and means for performing a Fast Fourier Transform on said received signal; second means for performing adaptive array processing on each of said subbands and providing a plurality of adaptively processed subbands in response thereto; and third means for normalizing said adaptively processed subbands.