Improved Equipment for a Pulse Method of Sound Velocity Measurement in Water, Rock, and Sediment.
NAVY ELECTRONICS LAB SAN DIEGO CALIF
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The pulse technique is the most frequently used laboratory method for measuring the speed of compressional and shear elastic waves in rock, sediment, and other samples. The method became easily possible during and after World War II because of developments in electronics, especially in pulse circuitry and oscilloscopes.