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ULTRASONOVISION R S Mezrich I F Etzold and D H R Vilkomerson
COMPUTERCONTROLLED TWODIMENSIONAL CARDIAC MOTION IMAGING R C Waag and R Gramiak
A TWO DIMENSIONAL ELECTRONICALLY FOCUSED IMAGING SYSTEM J Fraser J Havlice G S Kino W Leung
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1974 Ultrasonics Symposium acoustic surface wave acousto-optic amplifier amplitude angle applications approximately attenuation bandwidth beam bulk wave calculated capacitance cavity center frequency circuit coefficient components constant convolver correlation coupler coupling crystal curve delay line density diffraction dispersion displacement ducer effect elastic electrical electrode equation experimental fabrication field Figure film frequency response function grating IEEE IEEE Trans impulse response input insertion loss interaction interdigital transducers layer linear lithium niobate matched filter material measured metal mode modulation multistrip nonlinear obtained optical oscillator output parameters passband phase velocity Phys piezoelectric plane plate propagation loss pulse quartz range ratio Rayleigh wave reflective array reflectors resonance sample SAW devices scan shown in Fig shows sidelobes signal sonic structure substrate surface acoustic wave surface wave surface-wave technique temperature theoretical theory thickness tion Ultrasonics Symposium Proceedings ultrasound values variation voltage waveform wavelength wedge weighting width