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. Author manuscript; available in PMC: 2008 Mar 1.
Published in final edited form as: Ultrasound Med Biol. 2007 Mar;33(3):472–482. doi: 10.1016/j.ultrasmedbio.2006.09.005

Fig. 4.

Fig. 4

a) Axial LSF and b) relative range lobe levels for no paddle and lexan 375 μm paddle with beamforming corrections. Range lobe levels, which include all reverberations, were 9 dB greater when imaging through the lexan paddle than when imaging through the TPX paddle or no paddle, primarily due to the acoustical impedance mismatch between lexan and saline.