Research Article
5D Parameter Estimation of Near-Field Sources Using Hybrid Evolutionary Computational Techniques
Table 5
Estimation accuracy for 3 sources at SNR = 5 dB.
| Scheme | | (MHz) |
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| | (MHz) |
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|
| | (MHz) |
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|
|
| Desired | 3.0000 | 70.0000 | 6.0000 | 0.2618 | 0.6109 | 1.0000 | 45.0000 | 2.4000 | 0.7854 | 2.4435 | 7.0000 | 30.0000 | 4.3000 | 1.4835 | 3.7525 | IPA | 3.3711 | 78.8790 | 6.1712 | 0.4329 | 0.7820 | 1.4711 | 54.9876 | 2.5712 | 0.9567 | 2.6145 | 7.1710 | 39.8791 | 4.4711 | 1.6547 | 3.9235 | PS | 3.2047 | 77.2137 | 6.1047 | 0.3665 | 0.7156 | 1.3047 | 53.1124 | 2.1047 | 0.8901 | 2.5483 | 7.1045 | 38.1236 | 4.4048 | 1.5884 | 3.8572 | GA | 3.1824 | 75.8711 | 6.0423 | 0.3142 | 0.6534 | 1.2422 | 49.8879 | 2.4425 | 0.8279 | 2.4860 | 7.0426 | 35.4398 | 4.3424 | 1.5259 | 3.7950 | GA-IPA | 3.0584 | 72.3298 | 6.0385 | 0.3002 | 0.6494 | 1.1385 | 47.6675 | 2.4384 | 0.8239 | 2.4820 | 7.0382 | 32.9983 | 4.3384 | 1.5220 | 3.7910 | GA-PS | 3.0357 | 71.1903 | 6.0156 | 0.2775 | 0.6266 | 1.0958 | 46.1290 | 2.4158 | 0.8013 | 2.4592 | 7.0158 | 31.6722 | 4.3158 | 1.4993 | 3.7684 |
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