Title:
周波数シフトキーイング連続波レーダに適用される距離のアンビギティーの除去方法及びその装置
Document Type and Number:
Japanese Patent JP4168475
Kind Code:
B2
Abstract:
The procedure for calculating distance to detected targets sensed by a radar system includes use of several estimation functions (21-23). When the estimation functions give practically the same result for the measurement of distance, the targets are defined as being within a non-ambiguous range of distances. When the estimation functions give different results, the targets are defined as being with an ambiguous range of distance. The estimation functions are based on the use of up to four different frequencies of radar, each consisting of a base frequency plus an integer multiple of a frequency supplement. The estimation functions may be based on the phase difference between the difference signals obtained from pairs of received signals.
Inventors:
Pascal Kornik
Jean-Paul Arty
Jean-Paul Arty
Application Number:
JP9989398A
Publication Date:
October 22, 2008
Filing Date:
March 30, 1998
Export Citation:
Assignee:
Thales
International Classes:
G01S7/292; G01S13/34; G01S13/26; G01S7/02; G01S7/285; G01S13/44; G01S13/93
Domestic Patent References:
| JP51023440B1 | ||||
| JP51014873B1 | ||||
| JP49079798A | ||||
| JP49107491A | ||||
| JP52127794A | ||||
| JP5508479A | ||||
| JP10197626A |
Attorney, Agent or Firm:
Keiichi Yamamoto