System for processing returns from a target from transmissions c

Details System for processing returns from a target from transmissions c System for processing returns from a target from transmissions c

1995-04-03

1996-05-07

Pihulic, Daniel T.

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

Determining velocity

Combined with determining distance and direction

367100, G01S 1353

Patent

active

055150551

ABSTRACT:
A signal processing system of reduced complexity over conventional banks of matched filters for each Doppler velocity of interest is responsive to a transmission which is in the form of a train of repeated Doppler invariant signals which are preferably phase continuous. The system utilizes a head end zero Doppler correlator and tapped delay line summer with summing nodes in cascade for each Doppler velocity of interest. The summer provides coherent sums indicative of the Doppler velocity of the target.

REFERENCES:
patent: 4831602 (1989-05-01), Kroenert et al.
patent: 5077702 (1991-12-01), Whyland
patent: 5212489 (1993-05-01), Nelson
patent: 5212490 (1993-05-01), Nelson et al.

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