Radar apparatus

A radar apparatus, comprising:

• a plurality of transmission antennas that transmit a transmission signal;
• and
• a transmission circuit that applies a phase rotation amount corresponding to a Doppler shift amount and a code sequence to the transmission signal to perform multiplexing transmission of the transmission signal from the plurality of transmission antennas, wherein
• each of the plurality of transmission antennas is associated with each of a plurality of combinations of the Doppler shift amount and the code sequence,
• each of the plurality of combinations is different at least one of the Doppler shift amount and the code sequence, and
• a number of multiplexing by the code sequence associated with each of the Doppler shift amounts is the same among the plurality of combinations.

A radar apparatus, comprising:

• a plurality of transmission antennas that transmit a transmission signal;
• and
• a transmission circuit that applies a phase rotation amount corresponding to a Doppler shift amount and a code sequence to the transmission signal to perform multiplexing transmission of the transmission signal from the plurality of transmission antennas, wherein
• each of the plurality of transmission antennas is associated with each of a plurality of combinations of the Doppler shift amount and the code sequence,
• each of the plurality of combinations is different at least one of the Doppler shift amount and the code sequence, and
• those of the Doppler shift amounts the same as each other differ for each transmission period in which a code element of the code sequence is transmitted.