Research Article
Designing an Efficient Emergency Response Airborne Mapping System with Multiple Sensors
Table 1
Instrument specifications.
| Specification | Instruments | HD video camera | IR video camera | LIDAR | POS |
| Focus | 8 mm | 8 μm–12 μm | 1064 nm | — |
| Detector | — | Uncooled FPA | — | — |
| NETD | — | ≤50 mk (F/1) | — | — |
| AGL | — | — | ≥3500 m | — |
| Visual field (side) | ≥24° | ≥24° | ≥70° | — |
| Array pixel quantity | 3840 × 2160 | — | — | — |
| Beam divergence | — | — | 0.3 mRad | — |
| Wight | 2.0 kg | 2.0 kg | <20 kg | 4.25 kg |
| Working temperature | −20°–55° | −20°–55° | −20°C to +55°C | −40°C to +60°C |
| Angle resolution | — | — | 0.001° | |
| Receive band | — | — | — | L1, L2, L2c, and L5. 12-channel |
| Position error | — | — | — | 0.4 m (DGPS), 0.05 m–0.3 m (GNSS + IMU) |
| Velocity error | — | — | — | 0.01 (m/s)–0.06 (m/s) |
| Output frequency | — | 25 Hz | 50–300 kHz | 2 Hz |
| IMU measurements | — | — | — | 200 Hz |
| Time accuracy | — | — | — | 20 ns |
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