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检波器连接方式的选择

STUDY ON THE CHOICE OF GEOPHONE PATTERN

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【摘要】 本文介绍了一种根据已有资料正确选择检波器连接方式的方法,并在得出检波器输出与固有频率及衰减系数的关系的同时指出:连接后的检波器的总阻抗过大或过小,都会影响检波器的灵敏度,还会降低地震记录的分辨率。文中所设计的组合检波系统具有较合理的高输出和低阻抗。实际算例也表明,该方法简便易行,能保证信号最大限度地输出。

【Abstract】 The paper introduces the method of correctly chosing geophone pattern according to the existing data and finally obtains the relations between geophone output with inherent frequency and attenuation parameter. At the same time, the paper points out that after connected, no matter the resultant impedance of the geophones is too large or small, it can influence the geophone sensitivity, and what is more, it can reduce the resolution of seismic record. The geophone pattern designed in the paper possesses much reasonable high-output and low-impedance characteristics. The actual calcalated case also shows that the method is simple and easy to operate, and furthermore, ensures the signal output in a maximum way.

  • 【文献出处】 大庆石油地质与开发 ,PETROLEUM GEOLOGY & OILFIELD DEUELOPMENT IN DAQING , 编辑部邮箱 ,1998年04期
  • 【分类号】P631.436
  • 【被引频次】4
  • 【下载频次】68
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