脉冲火箭发动机(英语:Pulsed rocket motor)是一种多脉冲英语Pulse (physics)固体燃料火箭发动机。这种设计克服了固体推进剂发动机不能轻易关闭和重新点燃的限制。脉冲火箭发动机允许发动机分段(或脉冲)燃烧,直到该分段完成燃烧。下一个阶段(或脉冲)可以通过算法或按命令再次点燃。与多节火箭发动机相比,脉冲火箭发动机所有的分段都包含在一个火箭发动机壳体内[1]

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