中文说明：主成分分析法能较好地实现图像融合，特别是空间特征保持非常好，但光谱特征的保持性要差一些。
English Description：
Principal component analysis can achieve image fusion better, especially the spatial features are very good, but the spectral features are poor.
Principal component analysis can achieve image fusion better
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中文说明：主成分分析法能较好地实现图像融合，特别是空间特征保持非常好，但光谱特征的保持性要差一些。
English Description：
Principal component analysis can achieve image fusion better, especially the spatial features are very good, but the spectral features are poor.