发明授权
US4110752A Systems for reducing the elevation error for tracking radars of low
height targets
失效
用于降低跟踪低高度目标雷达的高程误差的系统
- 专利标题： Systems for reducing the elevation error for tracking radars of low height targets
- 专利标题（中）： 用于降低跟踪低高度目标雷达的高程误差的系统
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申请号： US784871申请日： 1977-04-05
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公开(公告)号： US4110752A公开(公告)日： 1978-08-29
- 发明人: Filippo Neri
- 申请人： Filippo Neri
- 申请人地址： IT
- 专利权人： Selenia-Industrie Elettroniche Associate S.p.A.
- 当前专利权人： Selenia-Industrie Elettroniche Associate S.p.A.
- 当前专利权人地址： IT
- 优先权： IT51311A/76 19760916
- 主分类号： G01S13/68
- IPC分类号： G01S13/68 ; G01S9/02
摘要：
A system for the automatic correction of the nodding elevation errors for radars tracking targets at low height, comprising in a conventional mode a receiving and transmitting group associated with an intermediate frequency channel and with an antenna servo in azimuth and elevation, having a channel of azimuth error and a channel of elevation error, comprising means for detecting the variations of the amplitude of the echo signal due to the multiple reflection effected at low height and means for subtracting the signal formed by said variations from the channel of elevation error of the antenna servo.
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