Both tracking methods achieve the target tracking state in common by establishing the motion parameter model and obtaining the motion state estimation of the target.
这两种方法的共同点是都是通过建立目标运动的参数模型，获得目标的运动状态估计，从而实现目标跟踪。
During underwater signal processing, parameter estimation and target identification are two kinds of important problems.
在水下信号处理中，参数估计和目标识别是两类非常重要的问题。
For the lack of point target and line detection in the above mentioned methods, a new parameter estimation method is then introduced.
由于以上方法无法检测点、线目标，本文提出了一种新的参数估计方法。
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