Open Access
Table 2
Error measured for the proposed extension to UDFA and for sequential diffraction (in parentheses) re 2nd-order BTMS. All results are shown in dB. Bold values indicate the average relative error.
| dw = 0.1 m |
dw = 1 m |
dw = 10 m |
|||||
|---|---|---|---|---|---|---|---|
| SSZ | DSZ | SSZ | DSZ | SSZ | DSZ | ||
| θw1 = θw2 = 270° | RMS (ref.) | −7.36 | −12.2 | −7.00 | −13.6 | −6.88 | −16.1 |
| RMSE 5% percentile | −35.1 (−29.9) | −41.9 (−24.1) | −32.1 (−30.8) | −46.1 (−28.4) | −31.5 (−30.9) | −55.0 (−36.1) | |
| RMSE average | −27.8 (−19.3) | −36.7 (−21.3) | −24.6 (−19.9) | −38.7 (−24.6) | −22.0 (−22.7) | −43.2 (−29.0) | |
| RMSE 95% percentile | −22.4 (−10.4) | −31.7 (−17.8) | −13.8 (−2.14) | −31.7 (−20.0) | −13.9 (−15.2) | −30.2 (−22.3) | |
| Avg. rel. error | 0.82 (2.24) | 0.87 (5.0) | 1.22 (2.70) | 0.71 (2.42) | 1.16 (1.22) | 0.64 (1.07) | |
| θw1 = 270° θw2 = 210°…270° | RMS (ref.) | −6.77 | −10.6 | −6.59 | −12.1 | −6.85 | −13.5 |
| RMSE 5% percentile | −36.2 (−34.2) | −44.4 (−23.1) | −33.6 (−33.2) | −47.6 (−28.2) | −32.6 (−32.7) | −51.7 (−32.1) | |
| RMSE average | −28.9 (−22.1) | −36.7 (−18.8) | −26.0 (−21.2) | −37.4 (−20.1) | −24.0 (−24.0) | −40.5 (−24.2) | |
| RMSE 95% percentile | −21.5 (−11.7) | −30.3 (−14.0) | −13.4 (−1.95) | −29.9 (−14.0) | −15.5 (−16.9) | −29.6 (−16.6) | |
| Avg. rel. error | 0.74 (1.77) | 0.77 (4.96) | 1.06 (2.40) | 0.70 (2.84) | 0.89 (0.97) | 0.69 (1.58) | |
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