Radar device and method of processing signal

A method comprising:

• performing a first scanning that includes emitting a first transmission wave, receiving one or more first reflected waves, and detecting, in the first reflected waves, a first plurality of pieces of object data;
• performing a second scanning that includes emitting a second transmission wave, receiving one or more second reflected waves, and detecting, in the second reflected waves, a second plurality of pieces of object data;
• determining whether a first object among the first plurality of pieces of object data corresponds to a second object among the first plurality of pieces of object data;
• and
• if the first of corresponds to the second object:
• determining a correlation between the first object and the second object;
• and
• removing, based on the correlation between the first object and the second object, one of the second plurality of pieces of object data.

A non-transitory computer-readable medium comprising computer-executable instructions that, when executed by a processor, cause the processor to:

• perform a first scanning that includes controlling a transmission unit to emit a first transmission wave, controlling a reception unit to receive first reflected waves, and detecting, in the first reflected waves, a plurality of pieces of object data;
• perform a second scanning that includes controlling the transmission unit to emit a second transmission wave, controlling the reception unit to receive second reflected waves, and detecting, in the second reflected waves, a second plurality of pieces of object data;
• determine whether a first object among the first plurality of pieces of object data corresponds to a second object among the first plurality of pieces of object data;
• and
• if the first object corresponds to the second object:
• determine a correlation between the first object and the second object;
• and
• remove, based on the correlation between the first object and the second object, one of the second plurality of pieces of object data.