Patent · US Active

Method for the recognition of an object

US11131766B2 · kind B2 · utility

2Cited by

8References

17Claims

0Family size

Assignee

APTIV TECHNOLOGIES AG · BB

Inventors

Honghui Yan · Stuttgart, DE
Tao Zhang · Beijing, CN
Wolfgang Doerr · Eichenau, DE
Alexander Ioffe · Dublin, IE

Key dates

Filing date	Mar 20, 2019
Grant date	Sep 28, 2021
Priority date	—
Expiry date	Oct 7, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG06F2218/14
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In a method for the recognition of an object by means of a radar sensor system, a primary radar signal is transmitted into an observation space, a secondary radar signal reflected by the object is received, a Micro-Doppler spectrogram of the secondary radar signal is generated, and at least one periodicity quantity relating to an at least essentially periodic motion of a part of the object is determined based on the Micro-Doppler spectrogram. The determining of the at least one periodicity quantity includes the following steps: (i) determining the course of at least one periodic signal component corresponding to an at least essentially periodic pattern of the Micro-Doppler spectrogram, (ii) fitting a smoothed curve to the periodic signal component, (iii) determining the positions of a plurality of peaks and/or valleys of the smoothed curve, and (iv) determining the periodicity quantity based on the determined positions of peaks and/or valleys.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.