零级数 meaning in Chinese

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After image registration and some pre - processing , the 0 - level data of satellite remote sensing image still contains some noises such as strip noise
卫星遥感图像的零级数据在经过适当的预处理后，仍然存在包括条带干扰在内的各种干扰信息。
It can increase information quantity , improve vision effection , and therefore advance the explanation ability of one frame of image , by carrying out data fusion with remote sensing images got from different satellites or with images of different bands got from same satellite
对中巴资源一号卫星的零级数据的实际处理获得很好的效果。对不同卫星的遥感图像或同一卫星的不同波段的图像进行融合，可以提高单幅图像的信息量、增强视觉效果，进而提高目视解译能力。