测试系统地线干扰及抑制

在测试系统中,不可避免的存在地线干扰,如果接地不当就会影响系统的正常工作。正确的接地方法是增强系统抗干扰能力,提高系统可靠性的重要途径之一。文章简要地阐述了地线干扰产生的原理,对系统的影响及抑制方法。最后,介绍了几种典型的接地方法及其特点。

Disturbance and suppression of ground wire of testing system

There is disturbance of ground wire in testing systems inevitably, and unsuitable grounding will influence the nor- real operations of systems. Correct grounding method is one of the important ways which can enhance the anti -jamming ability and improve the reliability of systems. The paper discusses the reason for generating disturbance and the influence to the sys- tems, also the methods to suppress the disturbance, and expounds some typical grounding methods and there traits lastly.