Radar system with paired one-dimensional and two-dimensional antenna arrays

A non-transitory computer-readable storage media comprising computer-executable instructions that, when executed, cause a processor of a radar system to:

• receive, by an antenna of the radar system, electromagnetic (EM) energy reflected by one or more objects;
• determine, using the EM energy received by a one-dimensional (1D) array of the antenna, first angles and second associated with one or more objects, the 1D array comprising first antenna elements positioned in a first direction that are spaced apart by a first distance and a second distance in the first direction, the first angles and the second angles being in the first direction;
• determine, using the EM energy received by a two-dimensional (2D) array of the antenna, third angles and fourth associated with the one or more objects, the 2D array comprising at least four second antenna elements not encompassed by the 1D array and positioned in the first direction and a second direction, the second direction being orthogonal to the first direction, at least some of the second antenna elements spaced apart by a third distance in the second direction and by a sum of the first distance and the second distance in the first direction, the third angles being in the first direction and the fourth angles being in the second direction;
• and
• associate, using the second angles and the third angles, the first angles and the fourth angles with respective objects of the one or more objects.

A method comprising:

• receiving, by an antenna of a radar system, electromagnetic (EM) energy reflected by one or more objects;
• determining, using the EM energy received by a one-dimensional (1D) array of the antenna, first angles and second associated with one or more objects, the 1D array comprising first antenna elements positioned in a first direction that are spaced apart by a first distance and a second distance in the first direction, the first angles and the second angles being in the first direction;
• determining, using the EM energy received by a two-dimensional (2D) array of the antenna, third angles and fourth associated with the one or more objects, the 2D array comprising at least four second antenna elements not encompassed by the 1D array and positioned in the first direction and a second direction, the second direction being orthogonal to the first direction, at least some of the second antenna elements spaced apart by a third distance in the second direction and by a sum of the first distance and the second distance in the first direction, the third angles being in the first direction and the fourth angles being in the second direction;
• and
• associating, using the second angles and the third angles, the first angles and the fourth angles with respective objects of the one or more objects.