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