An in-air sonar system and a method therefor

The present disclosure relates to an in-air sonar system for determining location and velocity information of objects in an environment, the in-air sonar system comprising at least one emitter configured to emit a respective sound signal into the environment; at least two receivers configured to receive sound signals from the environment; and a processing unit configured to perform: obtaining, from the receivers, respective received sound signals comprising the emitted sound signal reflected from objects in the environment; calculating, from the respective received sound signals, respective velocity-dependent range maps; deriving, from the calculated velocity-dependent range maps and the spatial diversity of the receivers, a velocity-dependent range-direction map comprising range information as a function of a received direction; determining therefrom a location of the respective objects; and extracting, from the velocity-dependent range maps and the spatial diversity of the receivers, a velocity of the respective objects based on the determined location

Patent Publication Number: EP3961252

Year filing: 2020

Year approval: 2023

Year publication: 2022

Status: Requested

Technology domains: Measurement

Validated for IOF-key: Yes

Attributed to: Associatie Universiteit & Hogescholen Antwerpen