高精度地磁场自动测量仪

Development of High-accuracy Instrument Automatically Measuring Geomagnetic Field

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摘要介绍一种依据核磁共振原理对地磁场进行高精度自动测量的仪器，较之国内同类测量方法精度有所提高。 An instrument haing to automatically measure geomagnetic field on basic of the principle of NMR is introduced. It is more accurately than other such sizing methods applied in our country.

作者付建华何加勇钟建成冯先水

机构地区河南省地震局

出处《传感器技术》 CSCD 1996年第6期49-51,共3页 Journal of Transducer Technology

关键词核磁共振地磁场自动测量仪 Nuclear magnetic resonance (NMR) Precession frequency Common-mode rejection ratio Phase-locked loop

分类号 TH763.1 [机械工程—精密仪器及机械]