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 293
... shown in Fig . 1. Figure 1A is the usual convolver configura- tion with a central pickup transducer . This trans- ducer detects the electric field of frequency wi + w2 and periodicity k1 - k2 . A propagating wave generated by the ...
... shown in Fig . 1. Figure 1A is the usual convolver configura- tion with a central pickup transducer . This trans- ducer detects the electric field of frequency wi + w2 and periodicity k1 - k2 . A propagating wave generated by the ...
Page 307
... ( shown in Fig . 2c and 2d ) justifies the above explanation . To enhance the convolution output , a d.c. electric field is applied across the Cds sample in different configurations : i ) elec- tric field and direction of propagation of ...
... ( shown in Fig . 2c and 2d ) justifies the above explanation . To enhance the convolution output , a d.c. electric field is applied across the Cds sample in different configurations : i ) elec- tric field and direction of propagation of ...
Page 427
... shown in Fig . 5 are recorded at recording planes RP . Fig . 4. Angle of refraction in degrees as a func- tion of the number of fringes F recorded at the RP for the transmission - type measurement shown in Fig . 3 . The insert shows the ...
... shown in Fig . 5 are recorded at recording planes RP . Fig . 4. Angle of refraction in degrees as a func- tion of the number of fringes F recorded at the RP for the transmission - type measurement shown in Fig . 3 . The insert shows the ...
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 | |
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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