【摘要】 针对局部放电在线检测中比较严重的周期性干扰信号,提出一种数字滤波的抗干扰措施。介绍了该滤波器的基本原理和实现方法,数值模拟实验表明该数字滤波器对各种频率的周期性干扰信号具有自适应性。更多还原

【Abstract】 A new digital filter and-interference technique is presented for suppressing continuous periodical signal which is a quite serious interference in on-line monitoring of PD. The fundamental principle and realization of this digital filter is introduced , Numerical analog experiment showed that this digital filter has adaptive property for various frequency periodical interference signals.更多还原