During the reentering process, the RCS of the reentry capsule of Shenzhou spacecraft changed violently because of plasma sheath and wake.

• 摘要“神舟”飞船返回舱在再入过程中，由于产生等离子体鞘套和尾流，其雷达散射截面(RCS)出现剧烈变化，对地面测量雷达的跟踪产生影响。