Research Article
Complex Permittivity Measurements of Textiles and Leather in a Free Space: An Angular-Invariant Approach
Table 3
Real part of the permittivity evaluated for the textileβs samples: and different incidence angles .
| Incidence angle, degrees | Sample no. 1 (Denim) | Sample no. 2 | Sample no. 3 | Sample no. 4 | Sample no. 5 | Sample no. 6 (wool scarf) | Sample no. 7 (stock-inet) | Sample no. 8 (satin) |
| 5 | 2.83 | 2.77 | 2.73 | 3.65 | 2.54 | 3.2 | 3.15 | 2.73 | 10 | 2.71 | 2.71 | 2.7 | 3.76 | 2.43 | 3.21 | 3.13 | 2.69 | 15 | 2.67 | 2.92 | 2.74 | 3.67 | 2.41 | 3.23 | 3.17 | 2.73 | 20 | 2.7 | 2.76 | 2.77 | 3.67 | 2.49 | 3.12 | 3.17 | 2.75 | 25 | 2.73 | 2.68 | 2.79 | 3.65 | 2.51 | 3.11 | 3.2 | 2.76 | 30 | 2.69 | 2.5 | 2.75 | 3.67 | 2.54 | 3.14 | 3.34 | 2.75 | 35 | 2.67 | 2.26 | 2.7 | 3.66 | 2.54 | 3.17 | 3.34 | 2.76 | 40 | 2.75 | 2.84 | 2.75 | 3.68 | 2.58 | 3.2 | 3.22 | 2.76 | 45 | 2.78 | 2.95 | 2.59 | 3.66 | 2.68 | 3.22 | 3.26 | 2.75 | 50 | 2.79 | 3.01 | 2.71 | 3.58 | 2.68 | 3.23 | 3.21 | 2.76 |
| Averaged, | 2.73 | 2.74 | 2.72 | 3.66 | 2.54 | 3.18 | 3.22 | 2.74 | Standard deviation | 0.054 | 0.253 | 0.0623 | 0.0458 | 0.0956 | 0.0452 | 0.0737 | 0.0216 |
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