Qualitative Characterization of Granular Materials and Moisture Measurements - Broadband Reflectometry for Enhanced Diagnostics and Monitoring Applications - page 113

1.0

0.8

0.6

0.4

0.2

0.0

-0.2

TL M waveform
measured waveform

-0.4

-0.6

0 20 40 60 80 100

time (ns)

(a)

1.0

0.8

0.6

0.4

0.2

0.0

-0.2

TL M waveform
measured w aveform

-0.4

-0.6

0 20 40 60 80 100

time (ns)

(b)

Fig. 5.12 Comparison between measured and simulated TDR waveforms for the probe. a in
air. b in de-ionized water [13]

4. The measured static resistance, R meas , is evaluated by

Z 0 1

+ ρ corr , TLM

R meas =

− ρ corr , TLM .

(5.28)

1

5. The probe static resistance is obtained subtracting R p from R meas
6. Once the static resistance and, hence, the conductance, are evaluated, the static
conductivity is finally obtained from (5.25).