The targets SNR(Signal Noise Ratio)and contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
The targets SNRand contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
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