Comment on "Analysis of the time-reversal operator for scatterers of finite size," by D. H. Chambers [J. Acoust. Soc. Am. 112, 411-419 (2002) |
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| Authors: | Chen Xudong |
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| Affiliation: | Department of Electrical and Computer Engineering, National University of Singapore, Singapore, 117576, Singapore. elechenx@nus.edu.sg |
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| Abstract: | This letter concerns the paper "Analysis of the time-reversal operator for scatterers of finite size" [J. Acoust. Soc. Am. 112, 411-419 (2002)]. The number of possible eigenvalues and eigenfunctions of the time reversal operator for a finite sphere given in the paper is much more than the correct number, which is proven to be the total number of multipole moments induced inside the finite sphere. |
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