汇流环作为雷达旋转与固定部分的电连接装置，其可靠性对雷达影响很大，但长期以来一直没有一种有效的预计方法，本文主要介绍了雷达汇流环工作失效率和平均故障间隔时间的预计方法。

Slip ring is an electricity connector of radar rotational part and fixed part ,whose reliability influences a lot to radar, but we have not had an effective forecast technique for a longtime . In this paper , the forecast technique of radar slip ring working disability and MTBF is described.

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