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岩石力学与工程学报 1994
ROCKULTRASONIC SPECTRUM MEASUREMENT TECHNOLOGY
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Abstract:
This papaer describes rock ultrasonic spectrum measurement technology. That is to adopt narrowpuise emissiom,broadband receivation and microcomputer analysis system;to take sound wave propagation characteristics and size effects into accownt of the samples during experiment;to discretize andquantize sound signs for data precessing;to take effective waves of rock characteristics by digital technology for fourier transform to obtain rock frequency spectrum,and to employ ultrasonic spectrum technologyfor research into rock properties-characterestics values of rock can reflect rock structure,mineral content,cementing and weathering extent etc and are relative to rock mechanics parameters,while spectrum shapecan reflect integral extent of rock.