Shorted-end probes for accurate permittivity measurements with time-domain reflectometry

Cereti, Annamaria; Pettinelli, Elena; Galli, Alessandro; Bella, Francesco
August 2003
Applied Physics Letters;8/4/2003, Vol. 83 Issue 5, p1050
Academic Journal
An investigation is presented on the use of short-circuit terminations in two-wire transmission lines employed as probes in standard time-domain-reflectometry (TDR) setups. Experimental permittivity results are given for different configurations and materials, and these data are compared with those achievable using conventional open-type terminations. The possibility of both improving the accuracy and simplifying the procedures of TDR measurements using shorted-end probes is illustrated.


Related Articles

  • A Procedure to Measure the in-Situ Hygrothermal Behavior of Earth Walls. Chabriac, Pierre-Antoine; Fabbri, Antonin; Morel, Jean-Claude; Laurent, Jean-Paul; Blanc-Gonnet, Joachim // Materials (1996-1944);Apr2014, Vol. 7 Issue 4, p3002 

    Rammed earth is a sustainable material with low embodied energy. However, its development as a building material requires a better evaluation of its moisture-thermal buffering abilities and its mechanical behavior. Both of these properties are known to strongly depend on the amount of water...

  • Interactive comment on "A fast TDR-inversion technique for the reconstruction of spatial soil moisture content" by S. Schlaeger. Anonymous // Hydrology & Earth System Sciences Discussions;2005 Supplement, pS452 

    Presents comments on the study "A Fast TDR-Inversion Technique for the Reconstruction of Spatial Soil Moisture Content," by S. Schlaeger. Factors to consider in measuring the dielectric permittivity and the determination of the soil water content; Issues that need to be discussed in the chapter...

  • Desenvolvimento e avaliação de sonda de TDR para o manejo racional da água em substratos utilizados na produção de mudas florestais. Elaiuy, Marcelo Leite Conde; Sato, Lucas Massayuki; Varallo, Antonio Claudio Tesla; Souza, Claudinei Fonseca // Revista Ambiente e Água;2009, Vol. 4 Issue 1, p117 

    Time Domain Reflectometry (TDR) is a reliable technique to estimate in situ moisture content in different types of materials using probes. The forest seedlings production implies in a comprehensive and empirical process of water management applied to the substrate used for cultivation in...

  • Application of TDR Method for Moisture Profiles Measurement in Cellular Concrete. Fiala, Lukáš; Pavlíková, Milena; Pavlík, Zbyšek // Advanced Materials Research;2014, Vol. 982, p11 

    Possible applicability of TDR method for continuous monitoring of moisture content in porous building materials is studied in the paper. TDR method, originally proposed for application in soil science, represents prospective tool for long time monitoring of moisture content in laboratory as well...

  • Role of phonon anharmonicity in time-domain thermoreflectance measurements. da Cruz, Carolina Abs; Li, Wu; Katcho, Nebil A.; Mingo, Natalio // Applied Physics Letters;8/20/2012, Vol. 101 Issue 8, p083108 

    Using ab-initio calculations, we argue that the apparent frequency dependence of the thermal conductivity measured by time-domain thermoreflectance (TDTR) is majorly determined by the balance between harmonic (elastic) and anharmonic (inelastic) phonon channels, and not by ballistic phonons. The...

  • Measuring parasitic capacitance and inductance using TDR. Dascher, David J. // Hewlett-Packard Journal;Apr96, Vol. 47 Issue 2, p83 

    Describes the use of time-domain reflectometry (TDR) in the measurement of parasitic capacitance and inductance. Fundamental transmission line parameters; Reflection coefficients for impedance changes; Discrete shunt capacitance; Discrete series inductance.

  • OTDRs add features, improve performance. Haber, Lynn // Cabling Installation & Maintenance;Jan1998, Vol. 6 Issue 1, p30 

    Looks at innovations made by optical time-domain reflectometer (OTDR) manufacturers in both their mainframe and mini-OTDR product lines. Features of Siecor Corp.'s OTDR Plus Multitester; Tektronix Inc.'s introduction of enhancements to its TekRanger mini-OTDR; Capabilities of Noyes Fiber...

  • Bellcore Standard harmonizes OTDR data files. Born, Torsten // Test & Measurement World;Nov97, Vol. 17 Issue 12, p37 

    Reports on the adoption of a standard of optical time-domain reflectometers record (SOR) through Bellcore Standard GR-196-CORE. Data saving in SOR format; Usefulness of SOR format; Two reasons for using binary data.

  • Detection of Atmospheric Water Deposits in Porous Media Using the TDR Technique. Nakonieczna, Anna; Kafarski, Marcin; Wilczek, Andrzej; Szypłowska, Agnieszka; Janik, Grzegorz; Albert, Małgorzata; Skierucha, Wojciech // Sensors (14248220);2015, Vol. 15 Issue 4, p8464 

    Investigating the intensity of atmospheric water deposition and its diurnal distribution is essential from the ecological perspective, especially regarding dry geographic regions. It is also important in the context of monitoring the amount of moisture present within building materials in order...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics