Monitoring a production or conveyor environment by means of radar

The use of an antenna arrangement to determine the angular positions of at least one radar target, wherein the antenna arrangement comprises:

• a switched transmission antenna array with a plurality of transmission antennas, each of which radiates a radar transmission signal one after the other corresponding to a predetermined switching sequence;
• a first receiving antenna to receive a first set of received signals, which were radiated by said switched transmission antenna array and were reflected by said at least one radar target;
• and
• a second receiving antenna to receive a second set of received signals, which were radiated by said switched transmission antenna array and were reflected by said at least one radar target, wherein:
• the angular positions of said at least one radar target are determined according to an ESPRIT method based on the first set and the second set of received signals.

A radar apparatus, comprising:

• a switched transmission antenna array having a plurality of transmission antennas, each of which radiates a radar transmission signal one after the other corresponding to a predetermined switching sequence;
• a first receiving antenna for receiving a first set of received signals, which were radiated by said switched transmission antenna array and were reflected by said at least one radar target;
• a second receiving antenna for receiving a second set of received signals, which were radiated by said switched transmission antenna array and were reflected by said at least one radar target;
• and
• an evaluation unit, which determines the angular positions of said at least one radar target based on the first set of received signals and the second set of received signals using an ESPRIT method.