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Raymarine e97 - Traditional Sonar Technology; Broadband CHIRP Sonar Technology

Raymarine e97
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17.3Traditionalsonartechnology
Traditionalsoundersuseasinglecarrierfrequencyorcarrier
waveforthesonarping.Thesesoundersworkbymeasuring
thetimeittakesthepingechotoreturntothetransducerto
determinetargetdepth.Usingthismethodif2targetsareclose
togethertheycanbeshownasasinglelargetarget,ratherthan
multiplesmallertargets
D12 60 0-1
17.4BroadbandCHIRPsonar
technology
Broadbandsonarsuseasweptfrequency'CHIRP'signalwhich
candistinguishbetweenmultipleclosetargets,thisenables
thesonartodisplaymultipletargetsinsteadoflargecombined
targets.
Someofthebenetsareimproved:
T argetresolution.
Bottomdetectioneventhroughbaitballsandthermoclines.
Detectionsensitivity.
D12 60 1-1
Fishnderapplication
185

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