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Details

Veröffentlichungs-Nr.

EP2662699

Aktenzeichen

EP13161238

Anmeldetag

27. März 2013

Veröffentlichung

27. September 2017

Erteilung

27. September 2017

Rechtsraum

EP

IPC

G01S3/74G01S13/42

Abstract

An apparatus includes a first array including sensors; a second array including sensors that are not collinear with the sensors of the first array except for a sensor that defines the origin of a spatial phase; and includes signal processing unit that generates covariance matrices including includes first covariance matrix and a second covariance matrix based on reflected waves received by the first and second arrays from targets, estimates first angles of the targets based on the first covariance matrix, reproduces an angle matrix based on the estimated first angles, performs triangular decomposition on the product of a generalized inverse matrix of the angle matrix and the second covariance matrix to obtain a matrix, constructs a similarity transformation problem from submatrices of the obtained matrix, and estimates second angles of the targets based on the estimated first angles and solutions of the similarity transformation problem.

Anmelder

Firma

FUJITSU LIMITED

Land

🇯🇵 Japan

Fachgebiete