Ann an tagraidhean sgrùdaidh fada leithid dìon cladaich agus anti UAV, bidh sinn tric a 'faighneachd dhuilgheadasan mar sin: Ma dh' fheumas sinn 20 km a lorg, dè an seòrsa Camara Imaging Thermal a dhìth, bheir am pàipear seo am freagairt.
Anns a camara fo-thalamh Siostam, tha an ìre amharc den targaid air a roinn ann an trì ìrean: lorg, aithnichte agus eadar-dhealachadh.
Nuair a tha an targaid ann an aon piogsail anns an lorgaire, thathas a 'faicinn mar a tha e ri lorg; Nuair a tha an targaid a 'gabhail còmhnaidh aig 4 piogsail san lorgaire, thathas a' faicinn mar aithneachadh;
Nuair a tha an targaid ann an 8 piogsail san lorgaire, tha e air a mheas mar dhaingneachadh.
Is e l a 'mheud targaid (ann am meatairean)
S a 'chòrr de bhith a' farsaingeachd piogsail an lorgaire (ann am micrometers)
Is e f fad am fòcas (mm)
Raon targaid lorg = l * f / s
Astar targaid aithnichte air astar = l * f / (4 *)
Astar targaid lethbhreith = l * f / (8 * ean)
Rùn Spàsial = S / F (Milleirradians)
Oidht amharc air an 17mh lorgaire eadar-dhealaichte le diofar lionsan | ||||||||||
Nì |
Rùn | 9.6mm | 19mm | 25mm | 35mm |
40mm |
52 mm |
75mm | 100 mm |
150mm |
Rùn (Milleirradians) |
1.77Mrad | 0.89Mrad | 0.68mrad | 0,48mrad | 0.42mrad | 0.33mrad | 0.23mrad | 0.17mrad |
0.11m Rad |
|
Fov |
384 × 288 |
43.7 ° X32 ° | 19.5 ° X24.7 ° | 14.9 ° X11.2 ° | 10.6 ° X8 ° |
9.3 ° X7 ° |
7.2 ° X5.4 ° | 5.0 ° X3.7 ° | 3.7 ° X2.8 ° |
2.5 ° X.95 |
640 × 480 |
72.8 ° X53.4 ° | 32.0 ° X24.2 ° | 24.5 ° X18.5 ° | 17.5 ° X13.1 ° |
15.5 ° X11.6 ° |
11.9 x 9.0 ° | 8.3 ° X6.2 ° | 6.2 ° X X4.7 ° |
4.2 ° X 1.1 ° ° |
|
Leth-bhreith |
31m | 65m | 90m | 126m |
145 m |
190m |
275m | 360m |
550m |
|
Duine |
Aithneachadh | 62m | 130m | 180m | 252m |
290m |
380m |
550m | 730m |
1100m |
Lorg | 261m | 550m | 735m | 1030m |
1170m |
1520m |
2200m |
2940 m |
4410m |
|
Leth-bhreith |
152 m | 320m | 422m | 590m |
670m |
875m |
1260m |
1690m |
2530m |
|
Càr |
Aithneachadh | 303m | 640m | 845m | 1180m |
1350m |
1750m |
2500m |
3380m |
5070m |
Lorg | 1217m | 2570m | 3380m | 4730m |
5400m |
7030m |
10000m | 13500m |
20290m |
Ma tha an nì a lorgar air a lorg tha Trough no Pyrotechnic targaid, faodar a thomhas a-mach cuideachd a rèir an dòigh gu h-àrd.
Mar as trice, obraichidh camara ìomhaighean teirmeach còmhla ris Modal camara blote Long Long Long agus laser eadarte, agus a chleachdadh airson Trom - Camara PTZ Dleastanas agus toraidhean eile.
Ùine a 'phuist: 2021 - 05 - 20 14:11:01