38 pages matching 2.25 MHz transducer in this book
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List of Tables
A Three Dimensional Model for Generating Bscan
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2.25 MHz transducer angular frequency attenuation ball bearing Bamber and Dickinson calculated center of curvature center of mass continuous wave cubic millimeter dB/cm/MHz dimensional dimensions employed Equation experimental images experimental signals Fast Fourier Transform Fourier transform graphite hydrophone images in Figure Imaging System incoherent scatter liver parenchyma phantom low scatter tumor mean number MHz focused transducer microns moduli number density number of particles On-axis Panametrics pulser Panametrics pulser-receiver particles per cubic peak pixel pressure pulse random numbers receiver frequency response reference signal results at zc rf signals ring thicknesses ring widths scanning window shown in Figure simulated phantom simulation model spatial frequency spectral speed of sound texel components texture elements texture measures theoretical and experimental theoretical images theoretical signals theory and experiment theory to exp thesis tissue TM liver parenchyma TM material tr-rec transducer face transducer position transient recorder ultrasound images unattenuated Unirad pulser-receiver voltage volume voxel