在复杂红外背景中如果红外点目标所占的像素少，通常的检测方法就很难将目标检测出来，且往往会含有较多假目标。
It is hard to detect a small target in a complex background using a conventional algorithm, especially when IR target has few pixels, many fake targets will be detected.
提出了一种运用小面元匹配和熵权重评价假目标红外特征的方法。
A method for evaluating the infrared signatures of decoys by using small patches and entropy is proposed.
结果表明微胶囊相变材料既能够有效地模拟真目标的红外热特征，也能有效地遮蔽目标的红外热特征，具有红外隐真—示假的双重功能。
The results showed that microcapsule PCM could both simulate and cover the IR thermal signature of true target, and the microcapsule PCM has double function.
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