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- W2314890969 abstract "由于合成孔径雷达(SAR)原始数据的相关性很低，直接压缩原始数据是比较困难的。该文提出一种新算法，先对SAR原始数据作距离聚焦处理，使其在方位向具有较强的相关性，再沿方位向作矢量线性预测，并对预测残差序列作分块自适应量化。结合一组实测SAR原始数据，用3种算法分别进行了压缩和解压缩，并计算了数据域及图像域信噪比，给出了3种压缩算法所成的图像。实验表明，在相同比特率条件下，该文算法得到的数据域信噪比和图像域信噪比均比BAQ算法高。该文算法的计算量远小于有关文献给出的距离聚焦后的压缩方法。" @default.
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- W2314890969 date "2011-03-11" @default.
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- W2314890969 title "An Algorithm for SAR Raw Data Compression after Range Focusing" @default.
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- W2314890969 doi "https://doi.org/10.3724/sp.j.1146.2006.01607" @default.
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