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| 001 | 861047 | ||
| 005 | 20220930130207.0 | ||
| 024 | 7 | _ | |a 10.1088/1361-6420/ab08be |2 doi |
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| 037 | _ | _ | |a FZJ-2019-01631 |
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| 100 | 1 | _ | |a Harris, Isaac |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Analysis of new direct sampling indicators for far-field measurements |
| 260 | _ | _ | |a Bristol [u.a.] |c 2019 |b Inst. |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a This article focuses on the analysis of three direct sampling indicators which can be used for recovering scatterers from the far-field pattern of time-harmonic acoustic measurements. These methods fall under the category of sampling methods where an indicator function is constructed using the far-field operator. Motivated by some recent work, we study the standard indicator using the far-field operator and two indicators derived from the factorization method. We show equivalence of two indicators previously studied as well as propose a new indicator based on the Tikhonov regularization applied to the far-field equation for the factorization method.Finally, we give some numerical examples to show how the reconstructions compare to other direct sampling methods. |
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| 700 | 1 | _ | |a Kleefeld, Andreas |0 P:(DE-Juel1)169421 |b 1 |e Corresponding author |
| 773 | _ | _ | |a 10.1088/1361-6420/ab08be |0 PERI:(DE-600)1477292-9 |n 5 |p 054002 |t Inverse problems |v 35 |y 2019 |x 1361-6420 |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/861047/files/Harris_2019_Inverse_Problems_35_054002.pdf |
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