发明授权
US4727376A Process for measuring the ambiguous distance and pulse Doppler radar
using such a process
失效
使用这种过程测量模糊距离和脉冲多普勒雷达的过程
- 专利标题： Process for measuring the ambiguous distance and pulse Doppler radar using such a process
- 专利标题（中）： 使用这种过程测量模糊距离和脉冲多普勒雷达的过程
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申请号： US561830申请日： 1983-12-13
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公开(公告)号： US4727376A公开(公告)日： 1988-02-23
- 发明人: Michel Prenat
- 申请人： Michel Prenat
- 申请人地址： FRX Paris
- 专利权人： Thomson-CSF
- 当前专利权人： Thomson-CSF
- 当前专利权人地址： FRX Paris
- 优先权： FRX8221226 19821217
- 主分类号： G01S13/20
- IPC分类号： G01S13/20 ; G01S13/10
摘要：
The present invention relates to a process for measuring the ambiguous distance in a pulse Doppler radar of repetition frequency (f.sub.R).The device comprises means (3) for transposing the signal received R(t) by a signal of frequency p.multidot.f.sub.R, where p is a positive integer; first and second narrow band filtering means (2,5) isolating the principal line of the signal received R(t) and of the transposed signal d(t) respectively, and means (6) for measuring the phase difference (.DELTA..phi.) which exists between the two filtered signals and which is proportional to the ambiguous distance with a coefficient g.