微放电效应检测中的信号调零技术研究

Research on Signal Nulling Technology in Multipactor Effect Detection

随着空间技术的快速发展,对微波部件载荷的功率容量要求越来越高,部件受微放电效应影响的问题越来越突出,建立有效的微放电检测手段显现的尤为迫切。该文首先阐述了微放电效应检测的重要性,其次从技术原理、方法实现层面对前向/后向功率调零检测法进行了研究,最终通过实测验证表明调零技术能够有效满足大功率微放电效应检测。

With the rapid development of space technology,the requirement of power capacity for microwave component loading is higher.Meanwhile,the affection by the Multipactor effect is becoming more prominent.So,the establishment of effective Multipactor detection means is particularly important.In this paper,firstly,the importance of Multipactor effect detection is described.Secondly,the Forward/Reflected power nulling detection method is studied from the technical principle and method realization level.Finally,the actual measurement proves that the Nulling technology can effectively meet the requirement of high-power Multipactor effect detection.