Method and apparatus for signal analysis employing a virtual cro

Details Method and apparatus for signal analysis employing a virtual cro Method and apparatus for signal analysis employing a virtual cro

1993-06-04

1995-10-17

Voeltz, Emanuel T.

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36472803, 342153, G01C 2100

Patent

active

054596688

ABSTRACT:
The invention includes an arrangement of actual sensors in an antenna array with a computation of higher-order statistics to provide virtual second order statistics corresponding to virtual elements in the array; employment of the actual and virtual elements of the array for covariance based direction finding; and, with the addition of a separate sensor spaced from the main array, suppression of non-Gaussian measurement noise. This is accomplished employing cross-correlation of the virtual sensors or alternately calibrating the existing actual array employing cross-correlation of the array and it's virtual sensors.

REFERENCES:
patent: 4750147 (1988-06-01), Roy, III et al.
patent: 5255210 (1993-10-01), Gardner et al.

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