Page 27 - HydrophoneHandbook_eReader_Ed2_20151208
P. 27

Choosing a Hydrophone

               At T1            At T2         At T3
               Wave propagates  Wave reaches  Minimal reflections
               from transducer                detected with HN and
                                hydrophone surface HGL; reflected and
                                              transmitted wave
                                              observed with HM

      Needle
Hydrophone

         (HN)

     Capsule
Hydrophone

        (HGL)

 Membrane
Hydrophone

         (HM)

                                                                 25

                                              0NDA Corporation
   22   23   24   25   26   27   28   29   30   31   32