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就海杂波概率密度估计方法进行了讨论，提出首先以核估计方法进行估计，然后采用多元线性回归得到海杂波的概率密度函数．该方法不需事先假定服从特定的分布，因而使用灵活，适应面广．实验结果表明，所估计的概率密度函数较为真实地反映了实际情况．
The method for estimating the probability density of sea clutter is discussed. The method of kernel estimation is first proposed and then the probability density function of sea clutter is obtained by using multiple linear regression. This method does not need to be presumed to be subordinate to a specific distribution in advance, so it is flexible and adaptable. Experimental results show that the estimated probability density function more accurately reflects the actual situation.