The effect of changing scatterer positions on acoustic time-reversal refocusing in a 2D urban environment at low frequencies

Journal of Geophysics and Engineering

Volumn 4, Issue 3, 2007, Pages 276-284

  Liu, Lanbo ^a,b   Albert, Donald G ^b   Wilson, D Keith ^b  

^a UNIVERSITY OF CONNECTICUT   (United States)

^b Engineer Research and Development Center   (United States)

Author keywords

Acoustic wave propagation; Numerical modelling; Scattering; Source detection; Time reversal; Urban environment

Indexed keywords

ACOUSTIC METHOD; NUMERICAL MODEL; SCATTERING; TWO-DIMENSIONAL MODELING; URBAN AREA;

EID: 34548539590     PISSN: 17422132     EISSN: 17422140     Source Type: Journal    
DOI: 10.1088/1742-2132/4/3/S06     Document Type: Article

References (20)

1. Albert D G, Liu L and Moran M 2005 Time reversal processing for source location in an urban environment J. Acoust. Soc. Am. 118 616-9
2. Alfaro Vigo D G, Fouqueb J-P, Garnierc J and Nachbina A 2004 Robustness of time reversal for waves in time-dependent random media Stoch. Process. Appl. 113 289-313
3. Berenger J P 1994 A perfectly matched layer for the absorption of electromagnetic waves J. Comput. Phys. 114 185-200
4. Chew W C and Weedon W H 1994 A 3D perfectly matched medium from modified stretched coordinates Microw. Opt. Technol. Lett. 7 599-604
5. Fink M 1997 Time-reversed acoustics Phys. Today 50 34-40
6. Kuperman W A, Hodgkiss W S, Song H C, Akal T, Ferla C and Jackson D R 1998 Phase conjugation in the ocean: experimental demonstration of an acoustic time-reversal mirror J. Acoust. Soc. Am. 103 25-40
7. Liu L and Albert D G 2004 Time reversal for source detection in urban environment J. Acoust. Soc. Am. 115 Pt. 2 2596 (abstract)
8. Liu L and Albert D G 2006 Acoustic pulse propagation near a right-angle wall J. Acoust. Soc. Am. 119 2073-83
9. Liu L and Arcone S A 2005 Propagation of radar pulses from a horizontal dipole in variable dielectric ground: a numerical approach Subsurf. Sens. Technol. Appl. 6 5-24
10. Oldham D J and Radwan M M 1994 Sound propagation in city streets Building Acoust. 1 65-88
11. Ostashev V E, Wilson D K, Liu L, Aldridge D F, Symons N P and Marlin D 2005 Equations for finite-difference time-domain simulation of sound propagation in moving media and numerical implementation J. Acoust. Soc. Am. 117 503-17
12. Picaut J, Hardy J and Simon L 1999 Sound propagation in urban areas: a periodic disposition of buildings Phys. Rev. E 60 4851-9
13. Roux P, Kupreman W A, Hodgkiss W S, Song H C, Akal T and Stevenson M 2004 A nonreciprocal implementation of time reversal in the ocean J. Acoust. Soc. Am. 116 1009-15
14. Sheriff R E and Geldart L P 1995 Exploration Seismology 2nd edn (Cambridge: Cambridge University Press)
15. Thomas J-L, Wu F and Fink M 1996 Time reversal mirror applied to lithotripsy Ultrason. Imaging 18 106-21
16. US Environmental Protection Agency 1998 Ambient Air Quality Monitoring Program Quality System Development EPA-454/R-98-004, USEPA
17. van Renterghem T, Salomons E and Botteldooren D 2006 Parameter study of sound propagation between city canyons with coupled FDTD-PE model Appl. Acoust. 67 487-510
18. Wang S 1996 Finite-difference time-domain approach to underwater acoustic scattering problems J. Acoust. Soc. Am. 99 1924-31
19. Xu Y and Wang L V 2004 Time reversal and its application to tomography with diffracting sources Phys. Rev. Lett. 92 033902 1-4
20. Yee K S 1966 Numerical solution of initial boundary value problems involving Maxwell's equations in isotropic media IEEE Trans. Antennas Propag. 14 302-7