Xiomas Wide Area Imager (WAI)

Typed specifications29 values

Discloses 9 of 14 fields engineers filter by in this category (category median 4).

Ground sample distance (GSD)

0.66 m

LWIR mosaics · datasheet p.5 3.5 m Thermal, @ 40,000 ASL  |  3.5 m thermal, ortho-rectified pixel size at 40,000 feet ASL  |  0.46 m VNIR (CIR camera), at 10,000 feet AGL  |  0.46 m VNIR, @ 10,000 AGL

Swath width

24.14 km

at design altitude 40,000 feet ASL (estimated) · datasheet p.6 24.14 km design altitude of 40,000 feet ASL

Spectral bands

2

Thermal · datasheet p.2 2 thermal (QWIP)  |  3 VNIR  |  3 VNIR (CIR camera)

TRL

7

at the end of Contract · datasheet p.23 7 at the time of the fire mapping evaluation mission (prototype)

Camera type

NIR

CIR camera band 0.76-0.90 µm · datasheet p.6 multispectral co-located CIR (colour infrared) camera, 3 VNIR bands  |  MWIR QWIP layer, 4.4-5.4 µm  |  LWIR (thermal) QWIP layer, 8-9 µm

Scan mode

other

step-stare: mirror steps in small increments across the field… · datasheet p.5

Field of view

16 °

CIR camera, 16 x 9 degrees; IFOV 150 µrad · datasheet p.6 90 ° thermal (QWIP); IFOV 100-300 µrad

Spectral range

500–600 nm

CIR camera, VNIR band 1 · datasheet p.6 630–690 nm CIR camera, VNIR band 2  |  760–900 nm CIR camera, VNIR band 3  |  8 000–9 000 nm LWIR QWIP layer  |  4 400–5 400 nm MWIR QWIP layer

Detector

other

QWIP (Quantum Well Infrared Photodetector) FPA, two-layer stack · datasheet p.5

Bit depth

16 bit

thermal, quantization 16-bit (0-65,536) · datasheet p.6 8 bit VNIR (CIR camera), quantization 8-bit (0-255)

On-board compression

lossy (JPEG / JPEG 2000)

thermal imagery output as two single-band 16-bit images in JP… · datasheet p.6

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