星载成像光谱仪星上实时数据压缩的研究

STUDY OF ONBOARD REAL-TIME DATA COMPRESSION FOR THE SPACEBORNE IMAGING SPECTROMETER

针对星载成像光谱仪的地物信息获取模式，运用最佳线性预测压缩技术，并配合霍夫曼（Ｈｕｆｆｍａｎ）高效编码方法，达到对星载成像光谱仪谱、像综合数据进行严格保存信息压缩的目的．给出星载成像光谱仪星上实时数据压缩技术方案的基本原理、系统实现以及相应的实验结果与结论．

or discussing the ground information acquisition mode of the spaceborne imaging spectrometer, this paper applies the optimal linear predictive compression technique in combination with the Huffman hige-efficiency coding method to achieve the goal of strict information-preserving compression for the spectral and spatial composite data of the spaceborne imaging spectrometer. In this paper, the basic principle,system realization and the corresponding experimental results and conclusions of the onboard real-time data compression technical scheme for the spaceborne imaging spectrometer are given.