Radar system

Details Radar system Radar system

2011-01-25

2011-01-25

Lobo, Ian J (Department: 3662)

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

Return signal controls radar system

Receiver

C342S084000, C342S089000, C342S094000, C342S099000

Reexamination Certificate

active

07876262

ABSTRACT:
Electronically steered radar systems such as frequency scanning radars are particularly suitable for detecting and monitoring slow moving, ground-based targets. So-called crawler radar systems are intended for detection of targets that deliberately attempt to avoid detection by keeping low and by moving slowly. Disclosed is a radar system which includes an electronically steered antenna and a receiver arranged to process signals received from a target located at a distance from the radar system so as to identify a Doppler frequency associated with the target. The antenna stares at, rather than glides past, the target surrounding clutter. This means that the spectral spreading of static ground clutter associated with mechanical radar systems can be eliminated, overcoming one of the shortcomings of mechanical radar systems that would otherwise render a crawler radar system unsuitable for Doppler processing.

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patent: 0547686 (1993-06-01), None
patent: 2430098 (2007-03-01), None

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