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根据激光测距方程，引入了等效散射面积的概念，分别建立了对点目标、扩展目标和线形目标测距的理论模型。
The theoretical models of point target, extended target and line target are established based on the concept of equivalent scattering area and laser ranging equation.
论文从电磁散射机理入手，明确提出了真实目标的复杂散射行为与理想的点散射中心模型描述这两者间的失配问题。
According to scattering phenomenology, we point out that the commonly used point scattering models fails to accurately describe the complex scattering behavior of real target.
提出用散射点参数作为识别特征，用隐马尔可夫模型（HMM）作分类器的雷达目标识别方法。
We contribute to automatic target recognition (ATR) by a hidden Markov model (HMM) based classifier, with parameters of scattering centers.
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