发明名称 SEISMIC SIGNAL MEMORY WITH EMPLOYMENT OF DELTA MODULATION
摘要 FIELD: geophysical instrument engineering, applicable as a memory of seismic signals at seismostation intended for operation on areas with enhanced level of seismic noise, for instance, in places directly adjoining industrial objects at explorations and engineering surveys. SUBSTANCE: a delta modulator and integrator are introduced into the memory, they are used as an analog-to-digital converter and digital-to-analog converter, respectively. EFFECT: reduced level of regular equipment noise and reduced cost. 1 dwg
申请公布号 RU2124742(C1) 申请公布日期 1999.01.10
申请号 RU19970110894 申请日期 1997.06.26
申请人 INSTITUT GEOFIZIKI URAL'SKOGO OTDELENIJA RAN 发明人 NIKITIN S.N.
分类号 G01V1/24;(IPC1-7):G01V1/24 主分类号 G01V1/24
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