Patent ID: 7876256

Claim:
A method of processing signals in a radar system comprising: an antenna system having at least two antennas shading each other whereby the respective diagrams for a first and for a second side is asymmetric for each antenna giving different sensitivity for the first and the second side for all antennas, a beam forming arrangement for selectively steering the directivity of the antenna system to a given selected side, the directivity of the antenna system having a main lobe at the selected side and a back lobe at the opposite side, and a first scale and subtract unit, the method comprising transmitting a first transmit signal by selectively steering the antenna system to a first side, sampling a first response signal by steering the antenna system to a second side, sampling a second response signal by steering the antenna system to the first side, subtracting the first response signal from the second response signal, thereby forming a sample value corresponding to properties mainly for the first side.