A Multi Frequency Electromagnetic Image System.
Q. Zhang, X. Chen, X. Jiang, and C. Liu, Computer-Aided Civil and Infrastructure Engineering, 2002.

Noncontact Detection of Air Voids under Glass Epoxy Jackets using a Microwave System.
J. Li and C. Liu, Subsurface Sensing Technologies and Applications, Vol.2, No. 4, 2001.

Wireless Sensor for Structural Monitoring, Strong Motion Instrumentation for Civil Engineering Structures.
C. Liu, L. Zhou, X. Chen, and S.T. Mau, M. Erdik et al., Kluwer Academic Publishers, 2001.

Theoretical Study of the Dielectric Constant in Porous Sandstone Containing Rock Grains, Oil and Water.
K. Z. Hu and C. Liu, IEEE Transactions on Geosciences and Remote Sensing, Vol. 38, No.3, 2001.

A 3-D Transmission Line Matrix Method (TLM) for Simulations of Logging Tools.
J. Li and C. Liu, IEEE Transactions on Geosciences and Remote Sensing, Vol. 38, No. 4, 2000.

Electromagnetic Image Reconstruction for Damage Detection.
M. Feng, C. Liu, X. He and M. Shino, Journal of Engineering Mechanics, June, 2000.

Analysis of the FM-CW Radar in a Layered Lossy Media.
R. Deng and C. Liu, Journal of Applied Geophysics, Vol. 40, 1999.

An Image Reconstruction Method using GPR Data.
Z. Wu and C. Liu, IEEE Transactions on Geosciences and Remove Sensing, Vol. 37, No. 1, January 1999.

Measurement of Electrical Properties of Contaminated Soil.
S. Darayan, C. Liu, L.C. Shen, and D. Shattuck, Geophysical Prospecting, Vol. 46, No. 5. September 1998.

A Stable Algorithm for Simulation of Array Induction and MWD Logging Tools.
X. Tian, C. Liu, and L.C. Shen, Radio Science, Vol. 33, No. 4, July-August 1998.

Computation of the Effective Dielectric Constant of Two Component, Three Dimensional Mixtures using a Simple Pole Expansion Method.
H. X. Wu and C. Liu, Journal of Applied Physics , July 1997.

An iterative Algorithm for Conductivity Image Reconstruction from Cross-Hole Electromagnetic Measurements.
Y. C. Zhang, C. Liu and L.C. Shen, Geophysics, Vol. 61, No. 4, 1997

A Simplified Fourier Series Expansion Method for Computing the Effective Dielectric Constant of a Two-Component, Three-Dimensional Composite Material with Geometric Symmetry.
C. Liu and Q. Zou , Modeling and Simulation in Materials Science , Vol. 4, pp.55-71, 1997.

Performance Evaluation of MWD Logging Tools using Magnetic and Electric Dipoles by Numerical Simulations.
Y. M. Zhang, C. Liu and L. C. Shen , accepted for publication, IEEE Transactions on Geosciences and Remote Sensing , 1996.

Monitoring the Contamination of Soils by Measuring their Conductivity in the Laboratory using a Contactless Probe.
M. Huang, C. Liu and L. C. Shen, Geophysical Prospecting , Vol. 43, pp 759-778, 1995.

Laboratory Conductivity Measurement using a Contactless Coil-Type Probe.
M. Huang, C. Liu, L. C. Shen, and David Shattuck, The Log Analyst, May 1995.

A Space Marching Inversion Algorithm for Pulsed Borehole Radar in the Time Domain.
Y. M. Zhang, and C. Liu, IEEE Transactions on Geosciences and Remote Sensing, Vol. 33 (3), May, 1995.

Monitoring Salt Water Injection using Conductivity Images Obtained by Electromagnetic Cross-Hole Measurements,
C. Liu, Y. C. Zhang, and L. C. Shen, Radio Science, Vol. 30, No. 5, Sept. 1995.

Inversion of Induction Logs Based on Maximum Flatness, Maximum Oil and Minimum Oil Algorithm,
Y. C. Zhang, Liang C. Shen, and Ce Liu, Geophysics, Vol. 59, September 1994.

The Computation of the Equivalent Inductive Circuit for Arbitrary Number of E-Plane Metal Inserts in Rectangular Waveguides,
C. Liu, Microwave and Optical Technology letters, July, 1994.

Dispersion Characteristics of Two-Component, Two-Dimensional Mixtures.
C. Liu ,and Liang C. Shen, Modeling and Simulation in Materials Science and Engineering, 1, pp. 723-730, 1993.

Dielectric Constant of Two-Component, Two-Dimensional Mixtures in Terms of Bergman-Milton Simple Poles.
C. Liu, and Liang C. Shen, Journal of Applied Physics, 73(4), 15 February 1993.

Numerical Analysis of a TM Cavity for Dielectric Measurement.
Xiaolu Zhao, C. Liu, and Liang C. Shen, IEEE Trans. Microwave Theory and Techniques, Vol. 40, pp. 1951-1959, Oct. 1992.

Numerical Simulations of Subsurface Radar for Detecting Buried Pipes.
C. Liu, and Liang C. Shen, IEEE Transactions on Geosciences and Remote Sensing, Vol. 29, No. 5, September, 1991.

Response of Electromagnetic-Pulse Logging Sonde in Axially-Symmetrical Formation,
C. Liu, and Liang C. Shen, IEEE Transactions on Geosciences and Remote Sensing, Vol. 29, No. 2, March, 1991.

Computation of Conductivity and Dielectric Constant of Periodic Porous Media,
Liang C. Shen, C. Liu, K. J. Dunn, and Y. Korringa, Journal of Applied Physics, June, 1990.

Published Papers (in conference proceedings)

Gated Direct Sequence Spread Spectrum Clocking Scheme for Multi-Media System.
T. Tran and C. Liu, IEEE International Symposium on Circuit and Systems, Phoenix, AZ, March 2002.

The Dielectric Constant Measurement of the Civil Engineering Structures using FMCW Ground Penetrating Radar.
X. Gan and C. Liu, Progress in Electromagnetic Research Symposium, Osaka, Japan, July 2001.

Pavement Thickness Measurement using FM-CW Radar.
C. Liu, Jing Li, X. Gan, H. Xing, and X. Chen, Proceedings of Subsurface Sensing Technologies and Applications II, SPIE's 46^th Annual Meeting Exhibition & Education Program, San Diego, 2001.

Monitoring Steam Injection using Crosswell Two-Dimensional Conductivity Imaging.
C. Liu and J. Zhang, Proceedings of Subsurface Sensing Technologies and Applications II, SPIE's 46^th Annual Meeting Exhibition & Education Program, San Diego, 2001.

Establishment of Reliable Methodologies to Determine in-situ Moisture Content of Base-Layer and Subgrade Soil.
R. He, C. Liu, X. Chen, W. Ma, and D. Chen, 14th. Engineering Mechanics Conference (EMD2000), Austin, May 2000.

A Three-Dimensional Transmission Line Matrix Method in Cylindrical Coordinates.
J. Li and C. Liu, Progress in Electromagnetic Research Symposium (PIERS 2000), Cambridge, Massachusetts, July 2000.

Perfectly-Matched-Layer (PML) Absorbing Boundary Conditions for 3-D Transmission Line Matrix (TLM) Method in Cylindrical coordinates.
J. Li and C. Liu, Progress in Electromagnetic Research Symposium (PIERS 2000), Cambridge, Massachusetts, July 2000.

A Multi Frequency EM Image System.
Q. Zhang, C. Liu and X. Chen, Subsurface Sensing Technologies and Applications II, San Diego, CA, July 2000.

Analysis of Vivaldi Antenna over a Heterogeneous Ground using a 3-D TLM Method.
J. Li and C. Liu, IEEE International Geosciences and Remote Sensing Symposium (IGARSS2000), Honolulu, Hawaii, July 2000.

Application of Low Cost Spread Spectrum Radio for Earthquake Monitoring.
C. Liu, US-Japan Center to Center Cooperative Research on Advanced Technologies for Urban Earthquake Disaster Mitigation, Kyoto, Japan, July 2000.

Wireless Sensors for Structural Monitoring.
C. Liu and S.T. Mau, NATO Advanced Research Workshop on Strong Motion Instrumentation for Civil Engineering Structures, Istanbul, Turkey, June 1999.

Design of a RF Power Oscillator Circuit for Plasma Lamps.
C. Liu, Ninth International Conference on Applications of Microwave Power, Kumning, China, August 1999.

A Three-Dimensional Transmission Line Matrix Method in Cylindrical Coordinates.
J. Li and C. Liu, Ninth International Conference on Applications of Microwave Power, Kumning, China, August 1999.

Application of Low Cost Spread Spectrum Radio for Earthquake Monitoring.
C. Liu,  US-Japan Center to Center Cooperative Research on Advanced Technologies for Urban Earthquake Disaster Mitigation, Kyoto, Japan, July 1998.

Analysis of the FM-CW Radar in Layered Lossy Medium.
R. Deng, and C. Liu, 6th International Conference on Ground Penetrating Radar, Sendai, Japan, Sept. 30, 1996.

An Image Reconstruction Method using GPR Data.
Z. Wu, and C. Liu, 6th International Conference on Ground Penetrating Radar, Sendai, Japan, Sept. 30, 1996.

A Simplified Fourier Series Expansion Method for Computing the Effective Dielectric Constant of a Two-Component, Three-Dimensional Composite Material with Geometric Symmetry.
C. Liu and Q. Zou, Progress in Electromagnetic Research Symposium. Seattle, Washington, June 1995.

Monitoring Walt Water Injection using Conductivity Images Obtained by Electromagnetic Cross-Hole Measurements.
C. Liu, Y. C. Zhang, and L. C. Shen, Progress in Electromagnetic Research Symposium, Seattle, Washington, June 1995.

A Space Marching Inversion Algorithm for Pulsed Borehole Radar in the Tim-Domain.
Y. M. Zhang and C. Liu, Fifth International Conference on Ground Penetrating Radar, Kitchener, Ontario, Canada, June 1994.

The Development of an Advanced GPR at the University of Houston.
S. Q. Xie, D. Lan, J. Wang, Y. M. Zhang, R. Liu and D. Shattuck, Fifth International Conference on Ground Penetrating Radar, Kitchener, Ontario, Canada, June 1994.

Laboratory Conductivity Measurement using a Contactless Coil-Type Probe.
Ming Huang, Ce Liu and Liang C. Shen, SPWLA/CWLS annual meeting, Calgary, Canada, June 1993.

Direct Wave Cancellation Technique Applied to the Signal Processing of Ground Penetrating Radar,
Johan Nystrom and Ce Liu, 1992 International Geosciences and Remote Sensing Symposium, Houston, Texas, May 29, 1992

Response of Electromagnetic-Pulse Logging Sonde in an Axially-Symmetrical Formation,
C. Liu and Liang C. Shen, 1990 AP-S Symposium, Dallas, May, 1990.

Numerical Simulation of Subsurface Radar for Detecting Buried Pipes.
C. Liu and Liang C. Shen, Third International Conference on Ground Penetrating Radar, Denver, June, 1990.

Students' Thesis

Electrical Properties of A Two-component, Three-Dimensional Mixture With Geometric Symmetry

Ground Penetrating Radar Transmitter And Receiver Design

Numerical Simulations of Induction and MWD Logging Tools and Data Inversion On a Unix Workstation

Measurement of Samples in A TM010 Cylindrical Cavity At 1.1GHz

Numerical Study of DC Tomography Systems

An Image Reconstruction Method using Gpr Data