摘要： This paper gives a brief and clear description to the Lossless Data Compression Recommendation for Space Data System Standards ,and presents its own opinions for some unintelligible algorithm detail in the recommendation.

关键词: 空间数据系统 无损数据压缩技术 带宽 传输时间 Huffman编码 算术编码 信源编码原理 图像数据