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Geophysical linear inversion based on hybrid differential evolution algorithm
Author(s):
PAN Kejia
,
WANG Wenjuan
,
TAN Yongji
,
CAO Junxing
Pages:
3083
-
3090
Year:
2009
Issue:
12
Journal:
Chinese Journal of Geophysics
Keyword:
Regularization method
;
Geophysical inversion
;
Algorithm stability
;
Hybrid differential evolution
;
Abstract:
地球物理反问题线性化处理之后,各种反演算法归结为对病态线性方程组的求解.为了快速准确地计算出地球物理参数,本文提出了一种全新的基于LSQR算法的混合差分进化算法(Hybrid Differential Evolution Algorithm,HDE).该算法利用LSQR算法给出DE算法的初始种群,提高DE算法的计算速度和稳定性.在不同噪声水平下,对四种正则化方法Tikhonov、TSVD、LSQR...
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