Communications: directive radio wave systems and devices (e.g. – Testing or calibrating of radar system – By monitoring
Patent
1993-11-18
1996-02-27
Pihulic, Daniel T.
Communications: directive radio wave systems and devices (e.g.,
Testing or calibrating of radar system
By monitoring
G01S 1300, G01S 740
Patent
active
054952549
ABSTRACT:
A method to determine a horizontal error of a radar device mounted on a vehicle along with the mounting error or imbalance in the diameters of wheels based on an echo signal from a reflector provided on a road. A vehicle's traveling locus is stored in advance as a reference locus obtained from the distance L between the vehicle and reflector and the direction .theta..sub.R. A traveling locus when the vehicle is actually traveling in a straight line where the steering handle is kept in a neutral position is compared with the previously stored reference locus. A horizontal error is obtained from the traveling locus on the coordinate axis .theta..sub.R and the shift from the reference locus.
REFERENCES:
patent: 4632543 (1986-12-01), Endo
patent: 5166689 (1992-11-01), Pankow et al.
Adachi Tomohiko
Doi Ayumu
Morioka Satoshi
Niibe Tadayuki
Okuda Ken-ichi
Mazda Motor Corporation
Pihulic Daniel T.
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