Simrad ES80 - Page 473

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•Slowrampingwillresultinlowermatchedlteringsidelobesintime(range)than
Fastramping.Slowrampingisnormallyusedtoreducebackscatterinterference(due
tothematchedlteringprocess)betweentargetsclosertoeachotherthanonepulse
duration(appliesinparticulartointerferencefromstrongtargetsonweaktargets).
Slowrampingincreasesanddecreasesthetransmitsignalamplitudeslowly.Thisis
more"gentle"tothetransducerandcansometimesalsobeusedtoreduce"ringing"
fromthetransducer.
RampingwhenusingCWtransmission
•Fastrampingwillresultinmaximalreceivedsignalpowerforachosenpulseduration
andtransmitpowerthanSlowramping.Fastrampingisnormallyusedtoincrease
thesignal-to-noiseratio.
•Slowrampingincreasesanddecreasesthetransmitsignalamplitudeslowly.Thisis
more"gentle"tothetransducerandcansometimesalsobeusedtoreduce"ringing"
fromthetransducer.
FastrampingismoresimilartotherampingtypeusedintheEK60thanSlowramping.
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