基于遥感提取地震灾情信息，需要处理高分辨率的大数据量遥感影像。
The extraction of earthquake disaster information from remote sensing technique requires processing high spatial resolution remote sensing data with large quantities.
与模拟地震观测相比，数字地震观测在动态范围、分辨率、信息量、系统精度、资料处理转换等方面有了很大提高。
Compared with simulant earthquake, digital earthquake has improved a lot in dynamic range, resolution ratio, amount of information, system precision and data processing conversion etc.
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