Abstract
The linear sampling method introduced in Chaps. 4 and 6 is based on the far-field equation \documentclass[12pt]{minimal}
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$$Fg =\varPhi _{\infty }(\cdot,z)$$
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$$g_{n}^{z} \in {L}^{2}[0,\,2\pi ]$$
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$$v_{g_{n}^{z}}$$
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