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Comparing the MEMS accelerometer and the analog geophone

机译:比较MEMS加速度计和模拟地震检波器

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摘要

Over the last decade or two, digital micro-electromechanical system (MEMS) accelerometers have been proposed as a replacement for analog electromagnetic coiled geophones. Although many positive results have been reported in articles and at conferences, other authors have claimed that there are no obvious differences between them. This article compares the analog geophone and MEMS accelerometer and our results show that the MEMS accelerometer has made some improvements on electric specifications. However, these improvements are so slight that identifying the enhanced signals obtained by the MEMS accelerometer is extremely challenging, if not impossible. Whether these improvements can evolve into significant acquisition benefits depends on many other factors involved in a seismic survey and which may contaminate the weak signal and effectively cancel most of the accelerometers improvement.
机译:在过去的一两个世纪中,已经提出了数字微机电系统(MEMS)加速度计来代替模拟电磁线圈地震检波器。尽管在文章和会议上已经报道了许多积极的结果,但其他作者声称它们之间没有明显的差异。本文对模拟地震检波器和MEMS加速度计进行了比较,我们的结果表明MEMS加速度计在电气规格方面有了一些改进。但是,这些改进非常微小,以至于即使不是不可能,识别由MEMS加速度计获得的增强信号也极具挑战性。这些改进是否可以转化为可观的购置效益,取决于地震勘测中涉及的许多其他因素,并且这些因素可能会污染微弱的信号并有效抵消大多数加速度计的改进。

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  • 来源
    《The Leading Edge》 |2013年第10期|1206-1210|共5页
  • 作者

    JIDONG WEI;

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  • 正文语种 eng
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