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Time Domain Reflectometry (TDR)

Calibrating electromagnetic induction conductivities  with time domain reflectometry measurements

Calibrating electromagnetic induction conductivities with time domain reflectometry measurements

... verted the data by using a regularized 1-D inversion proce- dure designed to manage nonlinear multiple EMI-depth re- sponses. The inversion technique is based on the coupling of the damped Gauss–Newton method with ...

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Accepted Manuscript. Title: Integration of Time Domain Reflectometry in a smouldering reactor

Accepted Manuscript. Title: Integration of Time Domain Reflectometry in a smouldering reactor

... First time TDR measurements are performed at high ...performing Time Domain Reflectometry (TDR) measurements during smouldering combustion experiments, aiming to measure water content ...

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Efficient reconstruction of dispersive dielectric profiles using time domain reflectometry (TDR)

Efficient reconstruction of dispersive dielectric profiles using time domain reflectometry (TDR)

... Time Domain Reflectometry (TDR) has become an indis- pensable technique for measuring the water content of soils in hydrology, civil engineering, agriculture and related fields over the last years, ...

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A Bayesian approach to solving the non-invasive time domain reflectometry inverse problem

A Bayesian approach to solving the non-invasive time domain reflectometry inverse problem

... Invasive Time Domain Reflectometry (TDR) may be used to estimate the volumetric moisture content, θ v , with depth for a variety of sample ...propagation time t p down a pair of parallel ...

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Technical Note:Practical considerations on the use of down sized time domain reflectometry (TDR) probes

Technical Note:Practical considerations on the use of down sized time domain reflectometry (TDR) probes

... Nine time-domain reflectometry (TDR) probes, 2 to 10 cm long, were evaluated by comparing their measurement accuracy of TDR-pulse travel time in a sand and sandy loam soil, and electrical ...

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Dielectric Study of Allyl Chloride - Alcohol Mixtures Using Time Domain Reflectometry Technique

Dielectric Study of Allyl Chloride - Alcohol Mixtures Using Time Domain Reflectometry Technique

... using Time Domain Reflectometry (TDR) for 11 different ...Relaxation time, Kirkwood correlation factor, Excess parameters were estimated and discussed to yield information on the molecular ...

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Dielectric relaxation and molecular interaction investigation of glycolic acid-water mixture using time domain reflectometry

Dielectric relaxation and molecular interaction investigation of glycolic acid-water mixture using time domain reflectometry

... constant at infinite frequency (ε ∞ ) were measured using time domain reflectometry (TDR) in the frequency range from 10 MHz to 30 GHz. TDR setup consists of source, transmission line and sampling ...

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The effects of soil bulk density, clay content and temperature on soil water content measurement using time-domain reflectometry

The effects of soil bulk density, clay content and temperature on soil water content measurement using time-domain reflectometry

... Time-domain reflectometry (TDR) is increasingly used for field soil water estimation because the measurement is non- destructive and less affected by soil texture, bulk density and ...

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A soil non aqueous phase liquid (NAPL) flushing laboratory experiment based on measuring the dielectric properties of soil–organic mixtures via time domain reflectometry (TDR)

A soil non aqueous phase liquid (NAPL) flushing laboratory experiment based on measuring the dielectric properties of soil–organic mixtures via time domain reflectometry (TDR)

... of time domain reflectometry (TDR) to estimate pollutant removal in a silt- loam soil that was primarily contaminated with a corn oil as a light NAPL and then flushed with different washing solu- ...

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Percolation in macropores and performance of large time domain reflectometry sensors

  Percolation in macropores and performance of large time domain reflectometry sensors

... large-diameter time-domain reflectometry soil water sensors placed horizontally in a structured loamy soil are very sensitive to rapid preferential percolation ...

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Time Domain Reflectometry for Evaluating Detonator Cable Assemblies in the NEP

Time Domain Reflectometry for Evaluating Detonator Cable Assemblies in the NEP

... Time Domain Reflectometry for Evaluating Detonator Cable.. Assemblies in the NEP.[r] ...

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Time Domain Reflectometry (TDR) calibration for estimating soil solution concentration

Time Domain Reflectometry (TDR) calibration for estimating soil solution concentration

... COELHO, E.F.; OR, D. Flow and uptake patterns affecting soil water sensor placement for drip irrigation management. Transactions of the ASAE, St. Joseph, v.39, n.6, p.2007-16, 1996. GIESE, K.; TIEMANN, R. Determination ...

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Modular and Deformable Touch-Sensitive Surfaces Based on Time Domain Reflectometry

Modular and Deformable Touch-Sensitive Surfaces Based on Time Domain Reflectometry

... ABSTRACT Time domain reflectometry, a technique originally used in diagnosing cable faults, can also locate where a cable is being ...extend time domain reflectometry in order to ...

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An investigation into using optical amplifiers for enhancing Brillouin based optical time domain reflectometry

An investigation into using optical amplifiers for enhancing Brillouin based optical time domain reflectometry

... optical time domain reflectometry ...The time for the pulse to travel through the fibre and the backscattered light to be detected can be converted into ...

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Time domain reflectometry as a tool for the estimation of quality in foods

Time domain reflectometry as a tool for the estimation of quality in foods

... K e y w o r d s: TDR, microwave, multivariate, fish quality INTRODUCTION There exists no entirely satisfactory rapid physical method to determine the quality or freshness of fish and fish products. As an example, blocks ...

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Calibration of time domain reflectometry for forest soil humus layers

Calibration of time domain reflectometry for forest soil humus layers

... Time domain reflectometry (TDR) has become a widely used method for determining the volumetric water content of soils. However, due to the differences in bulk density and surface area, the relationship ...

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Real Time Power Monitoring Detection  Based on Sequence Time Domain Reflectometry Approach

Real Time Power Monitoring Detection Based on Sequence Time Domain Reflectometry Approach

... DOI: 10.4236/jcc.2018.61010 101 Journal of Computer and Communications Figure 6. Power consumption and its corresponding node location. Figure 7. Power consumption and its corresponding node location. connected load and ...

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Analysis of Different Probe Geometries for Ethanol Fuel Qualification Using Time-Domain Reflectometry

Analysis of Different Probe Geometries for Ethanol Fuel Qualification Using Time-Domain Reflectometry

... Figure 5. Reflection time for different TDR probes and ethanol-water concentrations. physical length, the twisted wires for the helical probe were designed in order to achieve a greater effective length. Figure 4 ...

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Determining wave propagation characteristics of MV XLPE power cable using time domain reflectometry technique

Determining wave propagation characteristics of MV XLPE power cable using time domain reflectometry technique

... . (11) 4. TDR measurement setup TDR measurements require a special test arrangement including a high speed digitizing signal analyzer (DSA) and a fast leading-edge pulse generator e.g. producing a pulse of 5 V amplitude ...

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Study of Pico-Second Time Domain Reflectometry Techniques using Microstripline Terminated in some Polar Liquids

Study of Pico-Second Time Domain Reflectometry Techniques using Microstripline Terminated in some Polar Liquids

... B. R. Sharma * , N. D. Chaudhari * Department of Physics, Pratishthan Mahavidyalaya Paithan, Aurangabad, Maharashtra, India ABSTRACT A microstripline having 50 ohms characteristic impedance has been delineated on FR-4 ...

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