Title:
多重偏波レーダユニット
Document Type and Number:
Japanese Patent JP7271550
Kind Code:
B2
Abstract:
Example embodiments present radar units capable of operating in multiple polarizations. An example radar unit may include a set of transmission antennas and a set of reception antennas. Particularly, the transmission antennas may each be configured to transmit radar signals that radiate in one or more of four potential polarizations. The four polarizations can correspond to horizontal linear, vertical linear and slanted polarizations at approximately positive forty-five degrees and negative forty-five degrees from the horizontal plane. As such, the reception antennas of the radar unit may each be configured to receive reflected radar signals that are radiating in one of the four potential polarizations. The radar unit may further include an amplifier configured to cause one or multiple transmission antennas to selectively transmit between two or more of the four polarization channels.
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Inventors:
Isadian, Jamal
Ma, Philip
Ma, Philip
Application Number:
JP2020532686A
Publication Date:
May 11, 2023
Filing Date:
November 21, 2018
Export Citation:
Assignee:
Waymo LLC
International Classes:
G01S7/02; G01S7/03; G01S13/931
Domestic Patent References:
| JP4122874A | ||||
| JP2010014533A | ||||
| JP2015190809A | ||||
| JP2016516983A | ||||
| JP7191132A | ||||
| JP8194055A |
Foreign References:
| US20170353338 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Mutsumi Sato
Mutsumi Sato
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