摘要
在扭摆法测量引力常量的基础上,提出利用激光干涉法测扭转偏角,并采用磁感应力来消减周围环境的噪声干扰,能使引力常量G的测量精度有很大提高.
Based on traditional torsion balance gravitation constant G is mesured and laser interference is used measure deflect angle. To eliminate environment effect, magnetic field is used.
出处
《大学物理》
北大核心
2007年第12期53-56,59,共5页
College Physics
关键词
引力常量
激光干涉法
磁场消振
gravitation constant
laser interference
eliminate vibation by magnetic field
