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摘要： 遥感数据质量评价是传感器研制和遥感数据应用的桥梁。针对2016年12月我国发射的自主研制的SPARK微纳卫星获取的高光谱数据，分别采用辐射精度、信噪比、信息熵和清晰度4个客观指标对SPARK 1A级数据的辐射质量进行评价。综合各个指标计算结果，方差和信息熵表明SPARK数据主要信息集中在81~152波段(542~985 nm)，该谱段数据平均信息熵6.28，信噪比47.63 dB，清晰度179.5，均高于其他波段，即该谱段数据质量优于其他波段，有利于不同地物的光谱识别和空间特征提取；1~80波段(411~539 nm)数据平均信噪比和信息熵分别为38.23 dB和5.28，且图像在该谱段灰度值低，灰度变化范围较小，使用前可进行图像增强  关键词： SPARK微纳卫星;  高光谱遥感;  图像质量评价;  辐射质量;  信噪比     Abstract: The quality evaluation of remote sensing data is a bridge for development of sensor and data application.In this paper，we focused on the hyperspectral data acquired by China's self\|developed SPARK satellite launched in December 2016，and evaluated the radiation quality of SPARK 1A data using four objective indicators，namely radiation accuracy，signal\|to\|noise ratio(SNR)，information entropy and sharpness.According to the results of each indicator，variance and information entropy show that the main information of SPARK data is concentrated in 81~152 band(542~985 nm)，and the average entropy，signal\|to\|noise ratio and definition of this bands are higher than those of other bands，which are 6.28，47.63 dB and 179.5 respectively.The data quality of this spectral data is better than that of other bands，which is beneficial to the spectral identification and spatial feature extraction of different objects.The average SNR of 1~80 band(411~539 nm) was 38.23 dB，and the entropy was 5.28.Image enhancement can be used before processing for the low gray level and smaller gray range of the image in this bands.Because the 153~160 band(1 000~1 105 nm) was uncalibrated，its average SNR is less than 15 dB，and it has the lowest clarity，the spectrum and spatial information are seriously damaged，it is recommended to remove this bands. 

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