Grantee Research Project Results
Publications Details for Grant Number R825225
Geophysical Sensing in Environmental Applications: Efficient Numerical Simulations
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| Reference Type | Citation | Progress Report Year | Document Sources |
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| Abstract | Chen YH, Chew WC, Liu QH. A three-dimensional finite difference code for the modeling of sonic logging tools. Expanded abstract for the 67th Annual International Meeting of the Society of Exploratory Geophysics, October 1997. |
R825225 (1997) |
not available |
| Abstract | He J, Liu QH. An FDTD method with nonuniform cylindrical grids for inhomogeneous conductive media. URSI Meeting Abstract, Montreal, Canada, July 1997, p. 133. |
R825225 (1997) |
not available |
| Abstract | Liu QH. A new PML formulation for anisotropic media and PSTD algorithm. Abstracts, Union Radio-Scientifique Internationale 1998. |
R825225 (1997) R825225 (1999) |
not available |
| Abstract | Liu QH, Fan G-X. A frequency-dependent PSTD algorithm for general dispersive media. Abstracts, Union Radio-Scientifique Internationale 1998. |
R825225 (1997) R825225 (1999) |
not available |
| Conference Proceedings | Fan G-X, Liu QH. A PML-FDTD algorithm for general dispersive media in GPR and plasma applications. In: IEEE Antennas and Propagation Society International Symposium, 1998, Vol. 4, Atlanta, GA, June 21-26,1998, pp. 2014-2017. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Fan G-X, Liu QH. Dyadic Green's functions for curved waveguides and cavities and their reformulation. In: IEEE Antennas and Propagation Society International Symposium 1998, Vol. 3, Atlanta, GA, June 21-26,1998, pp. 1504-1507. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Fan G-X, Liu QH. A PML-FDTD algorithm for general dispersive media. In: 14th Annual Review of Progress in Applied Computational Electromagnetics at the Naval Postgraduate School, Vol. 2, Monterey, CA, March 16-20, 1998, pp. 655-662. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | He JQ, Liu QH. A nonuniform cylindrical FDTD algorithm using new split PML formulations. In: IEEE Antennas and Propagation Society International Symposium 1998, Vol. 1, Atlanta, GA, June 21-26,1998, pp. 588-591. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | He J-Q, Liu QH. A systematic study of three PML absorbing boundary conditions through a unified formulation in cylindrical coordinates. In: 14th Annual Review of Progress in Applied Computational Electromagnetics at the Naval Postgraduate School, Vol. 2, Monterey, CA, March 16-20, 1998, pp. 631-638. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Liu QH, He J-Q. An efficient PSTD algorithm in cylindrical coordinates. In: IEEE Antennas and Propagation Society International Symposium 1998, Vol. 1, Atlanta, GA, June 21-26,1998, pp. 558-561. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Liu QH, Nguyen N. Nonuniform fast-Fourier transform (NUFFT) algorithm and its applications. In: IEEE Antennas and Propagation Society International Symposium 1998, Vol. 3, Atlanta, GA, June 21-26,1998, pp. 1782-1785. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Liu QH, He JQ. A PSTD algorithm in cylindrical coordinates. In: 14th Annual Review of Progress in Applied Computational Electromagnetics at the Naval Postgraduate School, Vol. 2, Monterey, CA, March 16-20, 1998, pp. 845-851. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Liu QH, Nguyen N. An accurate algorithm for nonuniform fast Fourier transforms (NUFFT) and its applications. In: 14th Annual Review of Progress in Applied Computational Electromagnetics at the Naval Postgraduate School, Vol. 2, Monterey, CA, March 16-20, 1998, pp. 972-978. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Liu QH. On the PSTD method for large-scale problems. In: 14th Annual Review of Progress in Applied Computational Electromagnetics at the Naval Postgraduate School, Vol. 2, Monterey, CA, March 16-20, 1998, pp. 852-857. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Tang XY, Liu QH. CG-FFT for nonuniform inverse fast-Fourier transforms (NU-IFFTs). In: IEEE Antennas and Propagation Society International Symposium 1998, Atlanta, GA, Vol. 3, June 21-26,1998, pp. 1786-1789. |
R825225 (1997) R825225 (1999) |
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| Conference Proceedings | Tang ZB, Liu QH. The 2.5D pseudospectral time-domain (PSTD) algorithm with PML absorbing boundary condition. In: IEEE Antennas and Propagation Society International Symposium 1998, Vol. 3, Atlanta, GA, June 21-26,1998, pp. 1496-1499. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Chang C, Liu Q-H. Inversion of source-time functions using borehole array sonic waveforms. Journal of the Acoustical Society of America 1998;103(6):3163-3168. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Chen Y-H, Chew WC, Liu Q-H. A three-dimensional finite difference code for the modeling of sonic logging tools. Journal of the Acoustical Society of America 1998;103(2):702-712. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Fan G-X, Liu QH. Pseudospectral time-domain algorithm applied to electromagnetic scattering from electrically large objects. Microwave and Optical Technology Letters 2001;29(2):123-125. |
R825225 (1999) |
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| Journal Article | Fan G-X, Liu QH, Hutchinson SA. FDTD and PSTD simulations for plasma applications. IEEE Transactions on Plasma Science 2001;29(2):341-348. |
R825225 (1999) |
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| Journal Article | Fan G-X, Liu QH. Dyadic Green's functions for curved waveguides and cavities and their reformulation. Radio Science 2002;37(5):11-1–11-10. |
R825225 (1999) |
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| Journal Article | Fan G-X, Liu QH. A PML-FDTD algorithm for simulating plasma-covered cavity-backed slot antennas. Microwave and Optical Technology Letters 1998;19(4):258-262. |
R825225 (1997) R825225 (1999) |
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| Journal Article | He J-Q, Liu QH. A nonuniform cylindrical FDTD algorithm with improved PML and quasi-PML absorbing boundary conditions. IEEE Transactions on Geoscience and Remote Sensing 1999;37(2):1066-1072. |
R825225 (1999) |
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| Journal Article | Liu QH. An FDTD algorithm with perfectly matched layers for conductive media. Microwave and Optical Technology Letters 1997;14(2):134-137. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Liu QH. The PSTD algorithm: a time-domain method requiring only two cells per wavelength. Microwave and Optical Technology Letters 1997;15(3):158-165. |
R825225 (1997) |
not available |
| Journal Article | Liu QH, Tao J. The perfectly matched layer (PML) for acoustic waves in absorptive media. Journal of the Acoustical Society of America 1997;102(4):2072-2082. |
R825225 (1997) |
not available |
| Journal Article | Liu QH, Nguyen N. An accurate algorithm for nonuniform fast Fourier transforms (NUFFT's). IEEE Microwave and Guided Wave Letters 1998;8(1):18-20. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Liu QH. The pseudospectral time-domain (PSTD) algorithm for acoustic waves in absorptive media. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 1998;45(4):1044-1055. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Liu QH, He JQ. Quasi-PML for waves in cylindrical coordinates. Microwave and Optical Technology Letters 1998;19(2):107-111. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Liu QH, Tang XY. Iterative algorithm for nonuniform inverse fast Fourier transform (NU-IFFT). Electronics Letters 1998;34(20):1913-1914. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Liu QH. Some current trends in numerical methods for transient acoustic and elastic waves in multidimensional inhomogeneous media. Current Topics in Acoustical Research 1998;2:31-42. |
R825225 (1997) R825225 (1999) |
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| Journal Article | Liu QH. Perfectly matched layers for elastic waves in cylindrical and spherical coordinates. Journal of the Acoustical Society of America 1999;105(4):2075-2084. |
R825225 (1999) |
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| Journal Article | Liu QH, Fan G-X. A frequency-dependent PSTD algorithm for general dispersive media. IEEE Microwave and Guided Wave Letters 1999;9(2):51-53. |
R825225 (1999) |
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| Journal Article | Liu QH. PML and PSTD algorithm for arbitrary lossy anisotropic media. IEEE Microwave and Guided Wave Letters 1999;9(2):48-50. |
R825225 (1999) |
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| Journal Article | Liu QH. Large-scale simulations of electromagnetic and acoustic measurements using the pseudospectral time-domain (PSTD) algorithm. IEEE Transactions on Geoscience and Remote Sensing 1999;37(2):917-926. |
R825225 (1999) |
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| Journal Article | Liu QH, Zhang ZQ. Nonuniform fast Hankel transform (NUFHT) algorithm. Applied Optics 1999;38(32):6705-6708. |
R825225 (1999) |
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| Journal Article | Liu QH, Fan G-X. Simulations of GPR in dispersive media using a frequency-dependent PSTD algorithm. IEEE Transactions on Geoscience and Remote Sensing 1999;37(5):2317-2324. |
R825216 (2000) R825225 (1999) |
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| Journal Article | Liu QH, He JQ. An efficient PSTD algorithm for cylindrical coordinates. IEEE Transactions on Antennas and Propagation 2001;49(9):1349-1351. |
R825225 (1999) |
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| Journal Article | Liu Q-H, Sinha BK. Multipole acoustic waveforms in fluid-filled boreholes in biaxially stressed formations: a finite-difference method. Geophysics 2000;65(1):190-201. |
R825225 (1999) |
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| Journal Article | Nguyen N, Liu QH. The regular Fourier matrices and nonuniform fast-Fourier transforms. SIAM Journal of Scientific Computing 1999;21(1):283-293. |
R825225 (1997) |
not available |
| Presentation | Chew WC, Liu QH. Perfectly matched layers for elastodynamics. Presented at PIERS '97, Boston, MA, July 1997. |
R825225 (1997) |
not available |
| Presentation | Fan G-X, Liu QH. A 3D PML-FDTD algorithm for simulating ground-penetrating radar on dispersive earth media. Presented at the 7th International Conference on Ground Penetrating Radar, Lawrence, KS, May 27-30,1998. |
R825225 (1997) R825225 (1999) |
not available |
| Presentation | He J-Q, Liu QH. Borehole radar modeling with a nonuniform cylindrical FDTD algorithm. Presented at the 7th International Conference on Ground Penetrating Radar, Lawrence, KS, May 27-30,1998. |
R825225 (1997) R825225 (1999) |
not available |
| Presentation | Liu QH, Fan G-X. A PSTD algorithm for general dispersive media and its applications to GPR simulations. Presented at the International Geoscience Remote Sensing Symposium, Seattle, WA, July 6-10,1998. |
R825225 (1997) R825225 (1999) |
not available |
| Presentation | Liu QH, Nguyen N, Tang X-Y. Accurate algorithms for nonuniform fast-forward and inverse-Fourier transforms and their applications. Presented at the International Geoscience Remote Sensing Symposium, Seattle, WA, July 6-10, 1998. |
R825225 (1997) R825225 (1999) |
not available |
| Presentation | Liu QH. A new algorithm for simulations of GPR and acoustic reflection measurements. Presented at the 7th International Conference on Ground Penetrating Radar, Lawrence, KS, May 27-30,1998. |
R825225 (1997) R825225 (1999) |
not available |
| Presentation | Liu QH, Li Y-L, Liao JC. The PSTD algorithm: a fast and accurate method for electronic package characterization. Presented at the Electrical Performance of Electronic Packaging Conference, San Jose, CA, October 1997. |
R825225 (1997) |
not available |
| Proceedings | Liu QH, Tao J. Perfectly matched layers for acoustic waves in viscous media: applications to underwater acoustics. Journal of the Acoustical Society of America 1997;101(5, Pt 2):3182. |
R825225 (1997) |
not available |
| Proceedings | Liu QH. The PSTC algorithm: a time-domain method combining the pseudospectral technique and perfectly matched layers. Journal of the Acoustical Society of America 1997;101(5, Pt 2):3182. |
R825225 (1997) |
not available |
| Proceedings | Liu QH. A new numerical method for large-scale complex media: the PSTD algorithm. Proceedings of the 17th International Geoscience and Remote Sensing Symposium (IGARSS '97), Singapore, August 1997. |
R825225 (1997) |
not available |
| Proceedings | Liu QH. Finite-difference and pseudospectral time-domain methods for subsurface radar applications. International IEEE/AP-S Symposium Digest, Montreal, Canada, July 1997, pp. 990-993. |
R825225 (1997) |
not available |
| Proceedings | Liu QH. On the PSTD method for large-scale problems, media. Proceedings of the 14th Annual Review of Progress in Applied Computational Electromagnetics, Monterey, CA, March 1998. |
R825225 (1997) |
not available |
| Proceedings | Liu QH. The pseudospectral time-domain (PSTD) method: a new algorithm for solutions of Maxwell's equations. IEEE/AP-S Symposium Digest, Montreal, Canada, July 1997;122-125. |
R825225 (1997) |
not available |
| Proceedings | Liu QH. Using GPR and seismic reflection measurements to characterize buried objects: large-scale simulations. Proceedings of the 17th International Geoscience and Remote Sensing Symposium (IGARSS '97), Singapore, August 1997. |
R825225 (1997) |
not available |
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.