Specifications

SimradSH90
Basicfunctionality
ThebasicprinciplesoftheSimradSH90areuniquebecause
ofthe480transmitterand480receiverchannelswiththeir
transducerelementsspreadaroundonthecylindricaltransducer.
Thetransmission,receptionanddataprocessingareunder
computercontrol,andthepowerfulcapabilitiesofthesonarare
theresultsofsophisticateddigitalsignalprocessingsoftware
andstateofthearthardware.
Omnibeam
WhentheOmnibeamistilted,thetotalbeampicturecanbe
comparedwithfoldinganumbrella,whichmeansthatallbeams
in360degreesaroundthevesselhavethesametiltangle.
Figure4Omnibeamprinciple
Thebeamcanbetiltedfrom+10upto-60degreesdown.
Inadditiontoseeingthetargetfromabove,itisalsopossible
toseethetargetfromtheside,byusingtheverticalslice
presentation.Inthiscasethebeamcoversacontinuousvertical
beamfrom0to-60degreesinonetransmission.
337405/A
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