Means for processing wideband signals

Details Means for processing wideband signals Means for processing wideband signals

1995-05-26

1996-07-30

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Receiver circuitry

367901, H04B 1100

Patent

active

055418937

ABSTRACT:
Apparatus for processing a broadband signal, 1.2, 2.2, by determining the first and second moments of variation between frequency sub-bands, 1.4, 2.4, of the broadband signal, 1.2, 2.2, in order to either distinguish between man made objects and natural objects or detect shadows comprising splitters, 1.3, 2.3, which comprise analogue or digital filters, for separating the broadband signal into a plurality of frequency sub-band signals, 1.4, 2.4, detectors means, 1.5, 2.5, for processing each of the frequency sub-band signals, 1.4, 2.4, to either extract, identify or enhance a signal within the broadband signal, 1.2, 2.2, and combiners, 1.7, 2.7, for re-combining the processed frequency sub-band signals, 1.4, 2.4, by either summating the frequency sub-band signals, 1.4, 2.4, to produce the first moment of variation or enabling the amount of variation between the processed frequency sub-band signals, 1.4, 2.4, to be analyzed to produce the second moment of variation.

REFERENCES:
patent: 3745552 (1973-07-01), Wilt

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