1972 Ultrasonics Symposium Proceedings: Sponsored by the IEEE Group on Sonics and Ultrasonics and Held October 4-7, 1972, Boston, Massachusetts |
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Page 44
... images produced by ultrasonic diagnostic techniques are spatially congruous . Two dimensional images have only successfully been developed for the abdomen and eye and these images have largely been restricted to the ampli- tude ...
... images produced by ultrasonic diagnostic techniques are spatially congruous . Two dimensional images have only successfully been developed for the abdomen and eye and these images have largely been restricted to the ampli- tude ...
Page 45
... images produced were largely of the randomly scattered energy the intensity of which was not necessarily spa- tially congruous on the image with the re- gions of tissue scattering the energy . This contrasted with X - ray images which ...
... images produced were largely of the randomly scattered energy the intensity of which was not necessarily spa- tially congruous on the image with the re- gions of tissue scattering the energy . This contrasted with X - ray images which ...
Page 46
... images from the cellular struc- ture of tissue . However the images pro- duced are very critically dependent both upon the intensity of the generated energy in the beam pattern as well as the sensi- tivity of the receiving system . Thus ...
... images from the cellular struc- ture of tissue . However the images pro- duced are very critically dependent both upon the intensity of the generated energy in the beam pattern as well as the sensi- tivity of the receiving system . Thus ...
Contents
EXPERIMENTAL TECHNIQUES IN ACOUSTIC EMISSION DETECTION SYSTEMS Richard Stern | 1 |
ACOUSTIC EMISSION IN SEA ICE S Hanagud J I Craig R Deadwyler | 8 |
FREQUENCY SPECTRA OF ACOUSTIC EMISSIONS GENERATED BY DEFORMING METALS AND CERAMICS | 18 |
Copyright | |
59 other sections not shown
Common terms and phrases
acoustic emission acoustic surface wave acoustic wave aluminum amplifier amplitude angle application array attenuation band bandwidth beam breast bulk wave ceramic coefficient compression configuration convolution convolver correlation coupling crystal curve delay line density detected diffraction dispersive filter Doppler ducer echo echogram electric field electrode energy etching experimental Figure film finger flow frequency response function grooves harmonic IEEE IEEE Trans images impulse response input insertion loss interaction interdigital transducer layer length LiNbO3 linear lithium niobate material maximum measured metal mode modulation MOSFET nonlinear normal obtained operation output phase Phys piezoelectric plane propagation pulse quartz range ratio Rayleigh wave reflection resonance sample scan scattering semiconductor shown in Fig sidelobes signal silicon sonic spectral spectrum sputtering structure substrate surface acoustic wave surface wave devices taps technique temperature thickness tion tissue ultrasonic ultrasound velocity voltage waveform wavelength width