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来源：雅诚德英语网
Because the target only occupies one pixel, its SNR is low and the target almost be submerged by noise, these all bring huge difficulty to detection.
因为目标成像面积小只占一个像素，信噪比低，基本上被噪声所淹没，所以给检测带来了极大的困难。
Because the target only occupies one pixel, its SNR is low and the target almost be submerged by noise, these all bring huge difficulty to detection.
因为目标成像面积小只占一个像素，信噪比低，基本上被噪声所淹没，所以给检测带来了极大的困难。