IEEE 1985 Ultrasonics Symposium: Proceedings, October 16-18, 1985, Cathedral Hill Hotel, Van Ness at Geary, San Francisco, CA, Volume 2 |
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Results 1-3 of 84
Page 620
... values of kt and Qm of a material . However , the value of kt becomes about twice larger than the exact value when ... values with measured and calculated values . These methods were applied to several piezoelectric materials . It has ...
... values of kt and Qm of a material . However , the value of kt becomes about twice larger than the exact value when ... values with measured and calculated values . These methods were applied to several piezoelectric materials . It has ...
Page 623
... values were correct , a similar measurement was performed using a probe of modified PbTiO3 ceramics where the kt value was known . The kt value was 51 % . The center frequency , sensitivity and band- width became 3.7 MHz , 710 mV and 20 ...
... values were correct , a similar measurement was performed using a probe of modified PbTiO3 ceramics where the kt value was known . The kt value was 51 % . The center frequency , sensitivity and band- width became 3.7 MHz , 710 mV and 20 ...
Page 1142
... values of diffusivity ( 0 and 190 degrees ) reproduced to the third decimal place , somewhat better than statistically expected . System noise values varied from 0.016 to 0.019 degrees C , essentially the same range as the graphite ...
... values of diffusivity ( 0 and 190 degrees ) reproduced to the third decimal place , somewhat better than statistically expected . System noise values varied from 0.016 to 0.019 degrees C , essentially the same range as the graphite ...
Contents
7 | 605 |
Measurement of the Complex Impulse | 608 |
NN3 The 180 Degree Reflectivity and Veloc | 614 |
Copyright | |
44 other sections not shown
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acoustic impedance acoustic wave amplitude analysis angle aperture applicator approximately attenuation axis backscatter beam calculated cell ceramics coefficient components composite computed constant coupling curve density detection diameter dispersion Doppler echo effect elastic electrical electron elements energy equation evaluation experimental fiber field Figure flow focal focused Fourier transform frequency function heating hyperthermia IEEE intensity interface Lamb wave layer lens linear longitudinal magnetic material measurements mechanical medium method modes modulus nonlinear normal obtained optical output parameters phase velocity phased array Phys piezoelectric plane plate probe Proc propagation properties pulse PVDF range ratio Rayleigh wave reflection refractive index region resonance sample scanning scattering sensor shear sheet resistance shown in Fig shows signal Sonics spatial specimen spectrum surface surface acoustic wave technique temperature theoretical thermal thickness tion tissue transducer ultrasound values variations voltage waveguides wavelength weakly guiding fiber