Radar apparatus having function of estimating target's width

Details Radar apparatus having function of estimating target's width Radar apparatus having function of estimating target's width

2006-04-11

2006-04-11

Gregory, Bernarr E. (Department: 3662)

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

Return signal controls external device

Radar mounted on and controls land vehicle

C342S027000, C342S118000, C342S128000, C342S133000, C342S175000, C342S195000, C701S300000, C701S301000

Reexamination Certificate

active

07026976

ABSTRACT:
In a radar apparatus, when the width of a target cannot be determined, the width is estimated in such a manner as not to erroneously identify the lane in which the target is traveling. Denoting the actual width of the target by D, the distance to the target by R, and the scanning step width of projection angle by A, the estimated value W for the width of the target is computed in accordance with the equation W=D−2R tan A.

REFERENCES:
patent: 7-225276 (1995-08-01), None
patent: 11-45397 (1999-02-01), None
patent: 11-183601 (1999-07-01), None
patent: 2000-180540 (2000-06-01), None

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