Broadbandsonartechnology
TheCP450Cusesbroadbandsonartechnology.
Traditionalsoundersuseasinglecarrierfrequencyorcarrierwave
forthesonarping.Thesesoundersworkbymeasuringthetimeit
takesthepingechotoreturntothetransducertodeterminetarget
depth.Usingthismethodif2targetsareclosetogethertheyare
shownasasinglelargetarget,ratherthanmultiplesmallertargets.
Byusingabroadbandsweptfrequency’CHIRP’thesignalcan
distinguishbetweenmultipleclosetargetswhichenablesthe
soundertodisplaymultipletargetsinsteadoflargecombined
targets.
Someofthebenetsareimproved:
•targetresolution.
•bottomdetectioneventhroughbaitballsandthermoclines.
•detectionsensitivity.