Radar for detecting the velocity of a target

Details Radar for detecting the velocity of a target Radar for detecting the velocity of a target

2007-01-05

2008-09-16

Gregory, Bernarr E (Department: 3662)

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

Determining velocity

Digital

C342S027000, C342S028000, C342S070000, C342S104000, C342S105000, C342S107000, C342S109000, C342S114000, C342S128000, C342S175000, C342S195000, C342S196000

Reexamination Certificate

active

07425917

ABSTRACT:
A radar including a target measurement component, a differential velocity calculator and an overall velocity determination portion. The target measurement component transmits and receives an electromagnetic wave over a detection range repeatedly at measurement intervals to measure a position of a target in the detection range and measure a Doppler velocity of the target based on a Doppler shift of the electromagnetic wave reflected from the target. The differential velocity calculator determines a differential velocity of the target based on a change in position of the target during consecutive measurement intervals. The overall velocity determination portion determines a current overall velocity by calculating a weighted average of the Doppler velocity, the differential velocity, and a previously determined overall velocity.

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International Search Report from corresponding International application dated Aug. 30, 2005.
Written Opinion from corresponding International application dated Aug. 30, 2005.

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