专利名称:MTI-FILTER IN A TRACKING RADAR
RECEIVER
发明人:JOSEFSSON L,WINNBERG J,ODERLAND K申请号:SE1980000123申请日:19800423公开号:WO80/002327P1公开日:19801030
摘要:An MTI-filter included in the receiver part of a tracking radar for suppressingclutter when receiving echo pulses from a certain target. The transmitting pulses of thetracking radar are transmitted in series where the carrier frequency is varied from pulseto pulse and is repeated from series to series. The MTI-filter (F) contains a number ofdelay links (DL1-DLN), for example digital shift registers which are stepped forwardtimely with the radar PRF. The input of the filter and the output of the shift registerM(Alpha)N are connected to a differentiator (SK) where M = the number of carrierfrequencies in a pulse series.
申请人:ERICSSON TELEFON AB L M,JOSEFSSON L,WINNBERG J,ODERLAND K
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