In this paper, under the consi deration of the require of automatically testing loose partic les inside the relays in spacecraft, the engineering applicat ion is emphasized;

• 本文从航天继电器多余物自动检测的要求出发，着重于工程应用，采用虚拟仪器的设计技术，进行了基于航天继电器多余物自动检测方法的研究与实践。