Research Article
A Bistatic Imaging Method for GEOSAR in the Strip Mode and UAVSAR in the Steering Beam Mode
Table 3
Imaging qualities of the multipoint targets (P1, P5, and P9).
| Receiver mode | Location of point targets | Range | Azimuth | PSLR (dB) | ISLR (dB) | Resolution (m) | PSLR (dB) | ISLR (dB) | Resolution (m) |
| Spotlight | P3 | −13.27 | −9.26 | 1.95 | −13.79 | −9.38 | 0.16 | P5 | −13.25 | −9.45 | 1.95 | −13.27 | −9.52 | 0.15 | P7 | −13.32 | −9.47 | 1.95 | −13.76 | −9.54 | 0.16 |
| Sliding spotlight | P3 | −13.15 | −9.52 | 1.87 | −13.54 | −9.45 | 1.54 | P5 | −13.23 | −9.51 | 1.87 | −13.26 | −9.63 | 1.40 | P7 | −12.89 | −9.33 | 1.93 | −12.85 | −9.42 | 1.55 |
| TOPS | P3 | −13.22 | −9.64 | 1.87 | −13.34 | −9.45 | 2.81 | P5 | −13.01 | −9.26 | 1.87 | −13.21 | −9.43 | 2.78 | P7 | −12.84 | −9.62 | 1.87 | −13.10 | −9.75 | 2.80 |
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