Method and device for self-calibration of a radar sensor...

Details Method and device for self-calibration of a radar sensor... Method and device for self-calibration of a radar sensor...

2005-12-13

2005-12-13

Sotomayor, John B. (Department: 3662)

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

Testing or calibrating of radar system

C342S174000, C342S070000

Reexamination Certificate

active

06975265

ABSTRACT:
A method and an apparatus for operating a radar sensor system with a number of adjacent individual sensors (3, 4, 5, 6), extensively synchronized with one another, for determining the position of a target object (15) are proposed. In one measurement cycle, the transit time of the radar signal emitted from one individual sensor and reflected by the target object to this individual sensor (3, 4, 5, 6) (direct echo (13, 14)) and to a different individual sensor (3, 4, 5, 6) (cross echo (16)) is evaluated. From the evaluation of the direct and cross echoes (13, 14, 16), at least the position of the target object (15) is determined, and a detection quality signal (Q) is ascertained, and once a predetermined amount of the detection quality signal (Q) is reached for a target object (15), a calibration is performed.

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“A calibration technique for polarimetric coherent-on-receive radar systems”, Nashashibi, A.; Sarabandi, K.; Ulaby, F.T. Antennas and Propagation, IEEE Transactions on vol. 43, Issue 4, Apr 1995 P(s):396-404.

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