发明授权
- 专利标题： Method and system for determining an unambiguous angle of arrival using interferometry
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申请号： US15978718申请日： 2018-05-14
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公开(公告)号： US10705177B2公开(公告)日： 2020-07-07
- 发明人: Ian S. Robinson , Bradley A. Flanders
- 申请人： RAYTHEON COMPANY
- 申请人地址： US MA Waltham
- 专利权人： Raytheon Company
- 当前专利权人： Raytheon Company
- 当前专利权人地址： US MA Waltham
- 代理机构： Burns & Levinson, LLP
- 代理商 Joseph M. Maraia
- 主分类号： G01S3/48
- IPC分类号： G01S3/48 ; G01S3/06 ; G01S3/04
摘要：
A direction finding interferometer shares receivers among antennas and aperiodically switches between those antennas. The phase differences for a subset of the antenna pairs are measured for each pulse and the results are combined with the results from subsequent pulses to resolve ambiguities. An angle of arrival common to two subsets of angles of arrival is the unambiguous angle of arrival.
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