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- W2356949014 abstract "In geophysical exploration,explosive source and non-explosive source are the two most commonly used types of excitation sources of seismic signals.Explosive source has been used since 1920s,remaining almost the same.Non-explosive resource,on the other hand,has developed into a set of comparatively perfect electromechanical integration equipment,from its initial falling weight type to today's vibrators.In this paper,we introduce the development of vibrators and recounted the basic principle of sparker source,mini-sosie,electromagnetic driving vibrator,hydraulic vibrator and controlled accurately seismic source.After analyzing application of the above five types of seismic sources,unfortunately we drawn a conclusion that the electromagnetic driving portable high-frequency vibrator,which commonly used in shallow high resolution seismic exploration,has not been applied in field exploration in a large scale.The first domestic electromagnetic driving portable high-frequency vibrator has been independently designed and manufactured by National Engineering Research Center of Geophysics Exploration Instruments,Jilin University.Comprehensively considering the development trend of seismic exploration instrumentation,the progress in current geophysical techniques and the demand of market,we can look into the future that electromagnetic driving vibrators would be light-tonnage and economical in the development direction." @default.
- W2356949014 created "2016-06-24" @default.
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- W2356949014 date "2012-01-01" @default.
- W2356949014 modified "2023-09-25" @default.
- W2356949014 title "Summary of development of land vibrator" @default.
- W2356949014 hasPublicationYear "2012" @default.
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