A cikin dogon zangon aikace-aikacen sa ido irin su tsaron bakin teku da anti uav, sau da yawa muna fuskantar irin waɗannan matsalolin: idan muna buƙatar gano mutane da ababen hawa 20 kilomita, wane nau'in kyamarar hoto na thermal ana bukata, wannan takarda za ta ba da amsa.
A cikin infrared kamara tsarin, matakin lura na manufa ya kasu kashi uku matakai: ganowa, ganewa da rarrabewa.
Lokacin da maƙasudin ya mamaye pixel ɗaya a cikin mai ganowa, ana ɗaukarsa azaman iya ganowa; Lokacin da maƙasudin ya mamaye pixels 4 a cikin mai ganowa, ana ɗaukarsa azaman ganewa;
Lokacin da maƙasudin ya mamaye pixels 8 a cikin mai ganowa, ana ɗaukarsa azaman iya bambanta.
L shine girman manufa (a cikin mita)
S shine tazarar pixel na mai ganowa (a cikin micrometers)
F shine tsayin tsayin daka (mm)
Gano kewayon manufa = L * f / S
Nisan manufa = L * f / (4 * s)
Nisan manufa na wariya = L * f / (8 * s)
Ƙaddamar sararin samaniya = S / F (milliradians)
Nisan kallo na mai gano 17um tare da ruwan tabarau daban-daban | ||||||||||
Abu |
Ƙaddamarwa | 9.6mm | 19mm ku | 25mm ku | 35mm ku |
40mm ku |
52 mm ku |
75mm ku | 100 mm |
150mm |
Resolution (milliradians) |
1.77 m | 0.89 m | 0.68 md | 0,48 md | 0.42 ruwa | 0.33 m | 0.23 m | 0.17 m |
0.11m ruwa |
|
FOV |
384×288 |
43.7°x32° | 19.5°x24.7° | 14.9°x11.2° | 10.6°x8° |
9.3x7° |
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° | 24.5x18.5° | 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° |
|
Wariya |
31m ku | 65m ku | 90m | 126m |
145 m |
190m |
275m ku | 360m |
550m |
|
Mutum |
Ganewa | 62m ku | 130m | 180m | 252m ku |
290m |
380m |
550m | 730m |
1100m |
Ganewa | 261m ku | 550m | 735m ku | 1030m |
1170m |
1520m |
2200m |
2940 m |
4410m |
|
Wariya |
152 m | 320m | 422m | 590m |
670m |
875m ku |
1260m |
1690m |
2530m |
|
Mota |
Ganewa | 303m ku | 640m | 845m ku | 1180m |
1350m |
1750m |
2500m |
3380m |
5070m |
Ganewa | 1217m | 2570m | 3380m | 4730m |
5400m |
7030m |
10000m | 13500m |
20290m |
Idan abin da za a gano shi ne UAV ko pyrotechnic manufa, kuma ana iya ƙididdige shi bisa ga hanyar da ke sama.
Yawancin lokaci, kyamarar hoto na thermal za ta yi aiki tare da dogon zangon IP zuƙowa block kyamara module da Laser jeri, kuma za a yi amfani da su nauyi - kyamarar PTZ da sauran kayayyakin.
Lokacin aikawa: 2021-05-20 14:11:01