公开(公告)号：US20160240931A1

公开(公告)日：2016-08-18

申请号：US15025195

申请日：2014-07-14

Applicant: NISSAN MOTOR CO., LTD.

Inventor： Mitsunori NAKAMURA ,  Hiroshi SATOH ,  Shinichi NISHIOKA ,  Hidekazu NISHIUCHI

IPC: H01Q21/24

CPC classification number: H01Q21/24 ,  G01S7/024 ,  G01S7/03 ,  G01S7/352 ,  G01S13/34 ,  G01S13/584 ,  G01S13/931 ,  H01Q3/22 ,  H01Q21/061

Abstract: An antenna device includes a plurality of antenna elements respectively configured to receive incident waves coming from an object, a modulating unit respectively configured to modulates a first received signal of the incident waves output from the antenna elements 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 configured to synthesize the plurality of second received signals and generates a synthetic signal, a signal processing unit, configured to perform predetermined signal processing on the synthetic signal, and an extracting unit 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.

Abstract translation: 天线装置包括：多个天线元件，分别被配置为接收来自对象的入射波;调制单元，被配置为将从天线元件输出的入射波的第一接收信号调制成第二接收信号;第二接收信号 具有对应于所接收的入射波的偏振方向的多个不同的频率和相位的合成单元，合成单元，被配置为合成所述多个第二接收信号并产生合成信号，信号处理单元，被配置为对所述合成信号执行预定的信号处理 信号，以及提取单元，被配置为从已经执行了预定信号处理的合成信号中提取每个频率和每个相位的第三接收信号。