| 主权项 |
1. A radar device comprising:
a radar transmitter which, in operation, transmits a plurality of radar signals at predetermined transmission cycles from a plurality of transmission antennas; and a radar receiver which, in operation, receives a plurality of reflected wave signals being the plurality of radar signals reflected on a target, by using a plurality of reception antennas, wherein the plurality of transmission antennas include Nt1 transmission antennas arranged in a first direction and Nt2 transmission antennas arranged in a second direction orthogonal to the first direction, the plurality of reception antennas include Na1 reception antennas arranged in the first direction and Na2 reception antennas arranged in the second direction, in the first direction, an inter-element space between any two of the Nt1 transmission antennas and an inter-element space between any two of the Na1 reception antennas equal to a product of the first space and an integer and are different from each other, and in the second direction, an inter-element space between any two of the Nt2 transmission antennas and an inter-element space between any two of the Na2 reception antennas equal to a product of a second space and an integer and are different from each other. |
