This paper presents the KL transformation method for the regional geophysical exploration dataprocessing,and the method can reduce the ransom noise to the inferior limit by KL transformation,extract char-acterise and reconstruct data.

• 提出了在区域物探资料处理中的 KL 变换法,对区域物探数据进行 KL 变换、提取特征和重构数据,可以将随机噪声降低到最低限度。