Raymarine CP450C - Broadband Sonar Technology

Broadbandsonartechnology
TheCP450Cusesbroadbandsonartechnology.
Traditionalsoundersuseasinglecarrierfrequencyorcarrierwave
forthesonarping.Thesesoundersworkbymeasuringthetimeit
takesthepingechotoreturntothetransducertodeterminetarget
depth.Usingthismethodif2targetsareclosetogethertheyare
shownasasinglelargetarget,ratherthanmultiplesmallertargets.
Byusingabroadbandsweptfrequency’CHIRP’thesignalcan
distinguishbetweenmultipleclosetargetswhichenablesthe
soundertodisplaymultipletargetsinsteadoflargecombined
targets.
Someofthebenetsareimproved:
•targetresolution.
•bottomdetectioneventhroughbaitballsandthermoclines.
•detectionsensitivity.
1 2
D12 2 2 3 -1
12
Traditionalsounder
BroadbandCHIRPsounder
10CP450C