| 摘要 |
An antenna device includes a plurality of antenna elements 50 respectively configured to receive incident waves coming from an object, a modulating unit 60 respectively configured to modulates a first received signal of the incident waves output from the antenna elements 50 into a second received signal, the second received signals having a plurality of different frequencies and phases corresponding to polarization directions of the received incident waves, a synthesizing unit 90 configured to synthesize the plurality of second received signals and generates a synthetic signal, a signal processing unit 100, 110 configured to perform predetermined signal processing on the synthetic signal, and an extracting unit 120 configured to extract third received signals for each frequency and each phase from the synthetic signal on which has been performed the predetermined signal processing. |
