Ni awọn ohun elo ibojuwo gigun gigun gẹgẹbi aabo eti okun ati anti uav, a nigbagbogbo ba pade iru awọn iṣoro bẹ: ti a ba nilo lati ṣawari awọn eniyan 20 km ati awọn ọkọ, kini iru gbona aworan kamẹra nilo, iwe yi yoo fun idahun.
Ninu awọn infurarẹẹdi kamẹra eto, ipele akiyesi ti ibi-afẹde ti pin si awọn ipele mẹta: wiwa, idanimọ ati iyatọ.
Nigbati ibi-afẹde ba wa ni piksẹli kan ninu aṣawari, a gba bi wiwa; Nigbati ibi-afẹde ba wa ni awọn piksẹli 4 ninu aṣawari, a gba bi idanimọ;
Nigbati ibi-afẹde ba wa ni awọn piksẹli 8 ninu aṣawari, a gba ọ si bi iyatọ.
L jẹ iwọn ibi-afẹde (ni awọn mita)
S jẹ aaye piksẹli ti aṣawari (ni awọn micrometers)
F jẹ ipari ifojusi (mm)
Ibi ibi-afẹde wiwa = L * f/S
Ijinna ibi-afẹde idanimọ = L * f / (4 * s)
Ijinna ibi-afẹde iyasoto = L * f / (8 * s)
Ipinnu aaye = S/F (miliradians)
Ijinna akiyesi ti aṣawari 17um pẹlu awọn lẹnsi oriṣiriṣi | ||||||||||
Nkankan |
Ipinnu | 9.6mm | 19mm | 25mm | 35mm |
40mm |
52 mm |
75mm | 100 mm |
150mm |
Ipinu (miliradians) |
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°x4.7° |
4.2°x3.1° |
|
Iyatọ |
31m | 65m | 90m | 126m |
145 m |
190m |
275m | 360m |
550m |
|
Ènìyàn |
Idanimọ | 62m | 130m | 180m | 252m |
290m |
380m |
550m | 730m |
1100m |
Wiwa | 261m | 550m | 735m | 1030m |
1170m |
1520m |
2200m |
2940 m |
4410m |
|
Iyatọ |
152 m | 320m | 422m | 590m |
670m |
875m |
1260m |
1690m |
2530m |
|
Ọkọ ayọkẹlẹ |
Idanimọ | 303m | 640m | 845m | 1180m |
1350m |
1750m |
2500m |
3380m |
5070m |
Wiwa | 1217m | 2570m | 3380m | 4730m |
5400m |
7030m |
10000m | 13500m |
20290m |
Ti ohun ti o yẹ ki o wa ni UAV tabi pyrotechnic afojusun, o tun le ṣe iṣiro gẹgẹbi ọna ti o wa loke.
Nigbagbogbo, kamẹra aworan ti o gbona yoo ṣiṣẹ pọ pẹlu gun ibiti IP sun Àkọsílẹ kamẹra module ati lesa orisirisi, ati ki o ṣee lo fun eru - kamẹra PTZ ojuse ati awọn ọja miiran.
Akoko ifiweranṣẹ: 2021-05-20 14:11:01