Research Article
Efficiency Improvements of Antenna Optimization Using Orthogonal Fractional Experiments
Table 6
The
orthogonal fractional experiment and the simulated results (at 915 MHz).
| Run | | | | | | | (Ω) | (Ω) | (Ω) | (dB) |
| 1 | −1 | −1 | −1 | −1 | −1 | −1 | 10.18 | 20.64 | −96.97 | −32.56 | 2 | +1 | −1 | −1 | −1 | +1 | −1 | 10.75 | 63.33 | 57.78 | −17.65 | 3 | −1 | +1 | −1 | −1 | +1 | +1 | 10.04 | 53.62 | 58.22 | −25.16 | 4 | +1 | +1 | −1 | −1 | −1 | +1 | 11.54 | 78.88 | −87.69 | −47.6 | 5 | −1 | −1 | +1 | −1 | +1 | +1 | 19.48 | 276.21 | 109.07 | −68.59 | 6 | +1 | −1 | +1 | −1 | −1 | +1 | 21.54 | 276.05 | −45.24 | −32.7 | 7 | −1 | +1 | +1 | −1 | −1 | −1 | 18.66 | 231.22 | −112.58 | −46.48 | 8 | +1 | +1 | +1 | −1 | +1 | −1 | 22.43 | 314.95 | 29.08 | −37.2 | 9 | −1 | −1 | −1 | +1 | −1 | +1 | 10.07 | 8.96 | −56.66 | −41.44 | 10 | +1 | −1 | −1 | +1 | +1 | +1 | 10.67 | 47.29 | 91.94 | −25.21 | 11 | −1 | +1 | −1 | +1 | +1 | −1 | 9.77 | 26.17 | 41.37 | −23.21 | 12 | +1 | +1 | −1 | +1 | −1 | −1 | 11.37 | 61.45 | −87.63 | −35.91 | 13 | −1 | −1 | +1 | +1 | +1 | −1 | 17.27 | 201.54 | 71.99 | −52.71 | 14 | +1 | −1 | +1 | +1 | −1 | −1 | 21.02 | 249.76 | −64.29 | −41.21 | 15 | −1 | +1 | +1 | +1 | −1 | +1 | 18.43 | 222.91 | −57.19 | −35.37 | 16 | +1 | +1 | +1 | +1 | +1 | +1 | 20.38 | 272.5 | 76.67 | −62.57 |
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