提出一种先估计姿态后识别目标的新方法，克服了传统三维目标识别算法的多义性问题。

A new method was proposed to recognize target after attitude estimation, which overcame the ambiguity problem of traditional 3d target recognition algorithms.

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谱估计方法：由于雷达杂波环境非常恶劣，起伏变化很大，需要先估计杂波谱再抑制杂波。

Spectral methods: Considering the intricate radar clutter ambience, Which fluctuates greatly, it's needed to adapt spectral estimation firstly, then suppress clutter spectrum.

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当面对艰巨和具挑战性的差事，但资源又很有限时，我们需要先估计一下现有的资源，然后举目仰望神。

When we are up against a difficult and challenging task and our resources are limited, we need to evaluate the resources at hand and look up to heaven.

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