FFT implementation of digital antenna arry processing in GNSS re

Details FFT implementation of digital antenna arry processing in GNSS re FFT implementation of digital antenna arry processing in GNSS re

1998-08-25

1999-11-23

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Directive

Utilizing correlation techniques

342 17, 342196, G01S 316

Patent

active

059908319

ABSTRACT:
Disclosed are global navigation satellite system (GNSS) receivers, including digital spatial nulling arrays, and a method of providing antenna pattern outputs using the same. The digital spatial nulling array receives multiple antenna element inputs. A fast Fourier transform (FFT) is applied to the multiple antenna element inputs to obtain frequency domain representations of the multiple antenna element inputs. The antenna pattern outputs are provided by the spatial nulling array as a function of the frequency domain representations of the multiple antenna element inputs.

REFERENCES:
patent: 4641143 (1987-02-01), Apostolos
patent: 4654667 (1987-03-01), Apostolos et al.
patent: 5363111 (1994-11-01), Murphy

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