该方法首先计算检测距离和单元以及左右相邻距离和单元的空时二维谱，将空时二维谱转换成二值图像，再在图像域用相邻距离和单元海杂波对消检测单元海杂波。

The spatial-temporal spectrum is fast calculated, and then transformed to an image, finally the sea clutter at one range-sum bin is eliminated using the images at the adjacent range-sum bins.

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