Wideband radar

Details Wideband radar Wideband radar

2004-10-13

2008-10-07

Lobo, Ian J (Department: 3662)

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

Determining velocity

Combined with determining distance

C342S109000

Reexamination Certificate

active

07432850

ABSTRACT:
The invention refers to a method and device for wideband radar, the method comprising: —generating a wideband signal (1, 6) with a bandwidth B; —copying the wideband signal (1, 6); —transmitting the wideband signal (6′); —receiving a returned echo signal (11) from the transmitted signal (6′); —dividing the copied signal into a number, Nf, of subsequent frequency bands b; —manipulating the copied and divided signal into an anticipated signal (10) by adding a number Ndof anticipated delays and a number of NDDoppler stretches to the copied and divided signal for each Nfsubsequent frequency band b; —dividing the received signal (17) into a number, Nf, of subsequent frequency bands b; —correlating corresponding frequency bands in the divided received signal (17) and the anticipated signal (10) giving NdNDcorrelated signals (19) for determining range (R) to a target and velocity (v) of the target.

REFERENCES:
patent: 5724041 (1998-03-01), Inoue et al.
patent: 6121915 (2000-09-01), Cooper et al.
Dawood, M. et al, “Generalised wideband ambiguity function of a coherent ultrawideband random noise radar” Radar, Sonar and Navigation, IEE Proceedings—vol. 150, Issue 5, Oct. 2, 2003 pp. 379-386 Digital Object Identifier 10.1049/ip-rsn:20030702.

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