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Volume 26 Issue 6
Nov.  2015
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Chih-Ping Lin, Shr-Hong Tang, Chun-Hung Lin, Chih-Chung Chung. An Improved Modeling of TDR Signal Propagation for Measuring Complex Dielectric Permittivity. Journal of Earth Science, 2015, 17(6): 827-834. doi: 10.1007/s12583-015-0599-7
Citation: Chih-Ping Lin, Shr-Hong Tang, Chun-Hung Lin, Chih-Chung Chung. An Improved Modeling of TDR Signal Propagation for Measuring Complex Dielectric Permittivity. Journal of Earth Science, 2015, 17(6): 827-834. doi: 10.1007/s12583-015-0599-7

An Improved Modeling of TDR Signal Propagation for Measuring Complex Dielectric Permittivity

doi: 10.1007/s12583-015-0599-7
  • Received Date: 2015-12-03
  • Rev Recd Date: 2015-12-03
  • Publish Date: 2015-12-03
  • Time domain reflectometry (TDR) is a measurement technique based upon transmission line theory. The solutions of transmission line equations are reformulated in terms of independent physical properties, instead of coupled per-unit-length circuit parameters. The complete TDR response is effectively modeled by a non-uniform transmission line using the non-recursive ABCD matrix approach. Approaches to calibrate line parameters and perform TDR measurements based upon such model are introduced with an example on dielectric spectroscopy. TDR modeling in terms of decoupled physical parameters and non-recursive algorithm allows more convenient calibration of line parameters and facilitates interpretation of TDR measurements.
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An Improved Modeling of TDR Signal Propagation for Measuring Complex Dielectric Permittivity

doi: 10.1007/s12583-015-0599-7

Abstract: Time domain reflectometry (TDR) is a measurement technique based upon transmission line theory. The solutions of transmission line equations are reformulated in terms of independent physical properties, instead of coupled per-unit-length circuit parameters. The complete TDR response is effectively modeled by a non-uniform transmission line using the non-recursive ABCD matrix approach. Approaches to calibrate line parameters and perform TDR measurements based upon such model are introduced with an example on dielectric spectroscopy. TDR modeling in terms of decoupled physical parameters and non-recursive algorithm allows more convenient calibration of line parameters and facilitates interpretation of TDR measurements.

Chih-Ping Lin, Shr-Hong Tang, Chun-Hung Lin, Chih-Chung Chung. An Improved Modeling of TDR Signal Propagation for Measuring Complex Dielectric Permittivity. Journal of Earth Science, 2015, 17(6): 827-834. doi: 10.1007/s12583-015-0599-7
Citation: Chih-Ping Lin, Shr-Hong Tang, Chun-Hung Lin, Chih-Chung Chung. An Improved Modeling of TDR Signal Propagation for Measuring Complex Dielectric Permittivity. Journal of Earth Science, 2015, 17(6): 827-834. doi: 10.1007/s12583-015-0599-7

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