Patent attributes
A radar device includes: a transmitting antenna having at least one element antenna; and a receiving antenna having a plurality of element antennas. The plurality of element antennas of the receiving antenna are arranged at different positions in a first direction and a second direction perpendicular to the first direction. A distance between two adjacent element antennas among the plurality of element antennas of the receiving antenna in the first direction is equal to each other. A distance between two adjacent element antennas among the plurality of element antennas of the receiving antenna in the second direction is equal to each other.