Accoeding to the actuality that available infrared stealth performance evaluation method was limited to static armor targets,which was not suitable for dynamic armor targets,an contrastive evaluation method was presented in this paper.By the method,relative radiometric contrast of dynamic armor targets,before and after stealth,was comparatively analysed at the same distance,then stealth efficiency was obtained to characterize e-valuation result.The example results showed that the method could evaluate infrared stealth performance of dy-namic armor,and avoid the influence of the accuracy of the theoretical model to the evaluation result.%针对目前红外隐身性能评价方法局限于静态装甲目标，无法评价动态装甲目标红外隐身性能的缺陷，提出了动态装甲目标红外隐身性能对比评价方法。该方法通过对比分析相同距离条件下动态装甲目标隐身前后的相对辐射对比度，获得表征动态装甲目标红外隐身性能评价结果的隐身效率。实例计算结果表明，该方法不仅实现了对运动状态的装甲目标红外隐身性能的评价，而且也避免了理论模型精度对评价结果的影响。
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