- Page 4 and 5: PREFACE The importance of water for
- Page 6 and 7: CONTENTS 1. Status of water as an s
- Page 8 and 9: 12.2. New prototype version of FOM/
- Page 10 and 11: that stimulate the phenomena and pr
- Page 12 and 13: The solution to the problem of elec
- Page 14 and 15: 3. ELECTRICAL MEASUREMENTS METHODS
- Page 16 and 17: v = c 1 2L = = ( θ ) n ∆t ε (2)
- Page 18 and 19: The TDR probe consists of two waveg
- Page 20 and 21: ε a =1 and φ=0.5 the Eq. (10) has
- Page 22 and 23: The experiment description is given
- Page 24 and 25: Results obtained with the discussed
- Page 26 and 27: Notice that at C s = 0, ie when dis
- Page 28 and 29: water orientation polarization [s],
- Page 30 and 31: Fig. 8. Frequency dispersion of the
- Page 32 and 33: The measurements were performed in
- Page 34 and 35: 5. EVALUATION OF DIELECTRIC MIXING
- Page 36 and 37: ε α = ∑V α iε i (29) i where
- Page 38 and 39: where SAND and CLAY are percents of
- Page 40 and 41: Below the transition value, the soi
- Page 42 and 43: To verify the observations concerni
- Page 44 and 45: 6. TEMPERATURE EFFECT ON SOIL DIELE
- Page 46 and 47: chamber and the freezer, only one w
- Page 48 and 49: The user interface on the main comp
- Page 50 and 51: soil sample volumetric water conten
- Page 52 and 53:
close vicinity of the analyzed obje
- Page 54 and 55:
process of measurement is non-destr
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dielectric permittivity change caus
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The values of the refractive index
- Page 60 and 61:
The relative, ∆n/∆T, and absolu
- Page 62 and 63:
Fig. 25. The temperature effect on
- Page 64 and 65:
The temperature effect of TDR soil
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The purpose of the above discussion
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( ,25 + T )( 45 + T ) 49 9 f rel =
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8. THE ACCURACY OF SOIL WATER CONTE
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gravimetric method and the soil ref
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where: a 0 ÷ a 6 are coefficients
- Page 76 and 77:
values of p F calculated for the re
- Page 78 and 79:
eason of this is the fact that wate
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9 ∆θ = 0,2 ⋅10 ⋅ ∆t = 0.00
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values of θ rel for lower values o
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9. COMPARISON OF OPEN-ENDED COAX AN
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ε" = EC ε d " + (82) 2π fε wher
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dielectric permittivity, the dielec
- Page 90 and 91:
The applied lumped capacitance mode
- Page 92 and 93:
stainless steel wires soldered to t
- Page 94 and 95:
ε’ Open Coax and ε b-TDR , exce
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− − The difference of the imagi
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Integrated Circuit) recently introd
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10.2. Electromechanical microwave s
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RF1. Two PIN diodes in series in ea
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The significant aspect of the proto
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visible for lower values of soil el
- Page 108 and 109:
In the TDR method the signal propag
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description of functional and techn
- Page 112 and 113:
MASTER modules are wireless transce
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time the Real Time Clock module wak
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ase station distinguishes A SLAVE d
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sensor, format the data received fr
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12. SOIL WATER STATUS MONITORING DE
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D-LOG/mpts is a moisture/pressure/t
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For compatibility reasons it uses t
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D-LOG/mts (Fig. 59) is a TDR (Time-
- Page 128 and 129:
12.4. FP/m, FP/mts - Field Probe fo
- Page 130 and 131:
inside of a separate polyethylene b
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differential water capacity and the
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− maximum number of LP/p probes t
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12.7. LP/t - Laboratory Probe for s
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From the collected data set, after
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25. de Loor G.P.: Dielectric proper
- Page 142 and 143:
TDR. Symposium on Time Domain Refle
- Page 144 and 145:
100. Whalley W.R.: Considerations o
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Fig. 14. Fig. 15. Fig. 16. Fig. 17.
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Fig. 38. The three-rod TDR probe -
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Fig. 67. A set of LP/ms and LP/p LO
- Page 152:
Table 17. An example of the executa