【摘要】 介绍一种在微弱信号数据采集系统中消除50Hz干扰的有效方法，并给出计算机模拟结果，此法成功地应用于我们所研制的瞬变电磁仪中，作为一种低成本的软、硬件相结合的方法，效果良好。更多还原

【Abstract】 A kind of efficient method for eliminationg the interference of 50 th in data acquisition system of weak signalsis introduced, and it is successfully used in transient electromagntic instrument developed by us, combing the softwarewith the hardware, it is low-cost and better than usual multisuperposition method.更多还原