1. ???????? ?????? ???????????
?????????? ??????????? ????? ????? ?????, ?????? ??????????? ????? ????????, ?????? ????????? ?????? ???. ?????? ????????? ???????? ??? (0 K) 273.15 ???? ?????? ?????? 273.15 ℃) ??????? 273.15 ℃) ????? ????? ?????????? ??????? ????? ??????????, ?? ????? ????????? ?????????? ?????? ????? ??????.
??????? ????? ????????? ??? ????????? ??????? ?????????? ???????? ?????????? ??????? ?????????. 0.8μm ??? 50μm ??? 50μm ??? ????? ?????, ?? ????????? ????????? ??????? (0.4μm ??? ????? ?????).
???????? ?????? ????????? ?? ????????? ????????????? ????????? ?????
λ = c = c / f, ??? ?? ????? Sight 3.0 × 108 M / s ?? λ ?????? ?????????.
???????: ???????? ?????? ????? ???? 4x1014Hz ~ 8x1014Hz.
2. ??????? ????? ??????????? - ?????????? ???????
??? ???????? ?????? ????????? ??? ??? ???????? ????? ????????? ??? ??? ???????? ????? ????????????? ??? ????????? ????????????, ????? ?????????? ????????? ??????????? ????????????????? ?????? ??????.
????? ?????? ?????????? ???????? ????? ????????? ?????? ?????????????? ?????????????? ??????? ??? ????????.
????? ????? ?????? ?????????????? - ???? - WAY ? ????? ??????, ???????? ???????? ?????????? ???????? ??????-?????? ?????% 2.7 2.5μm, 3 ~ 14μm ?.
????? ?????????? ???????????? ?????? ?????? - ?????? ???????? ?????? ????????? 8 ~ 14μm.
3. Inframmal impry ??????:
①. ???????????? ?????: ????????? ????? ???????? ??????????? ??????????? ?? ?????? ??????? ???????????.
②. ????????? ???????? ?????????: ????????? ??????? ????????? ???????? ?????????? ??????? ???????? ?????????? ??????? ???????? ?????? ????????? ????????? ????? ???????????.
③. ???????????? ?????????: ????????? ??????? ????????? ??? ????? ??????? ???????????.
④. ???????? ??????????: ????????? ??????? ????????? ?????????? ??????? ??? ?????????? ???????????.
⑤. ?????? ?????: ????????? ???????????? ?????? ???????????? ??? ????? ??????? ???????????.
4. ????????? ????? (nir)
????????? - ??????? ????? ????? (NIR) band (0.8 μ ~ 1μm) ??? ?????? ?????, ??? ???????????? ?????? ????????? ??????? ????????? ?????????????? ??????? ??????.?
?????????? ????? ??????, NIR ???????? ????? ??????????, ???? ??? Nir ?????????? ?????? ???????? ??????? ????? ?????? ?????????.
??????????? ????????????:?
?????, CMOS ?????????? ???????? ????? ???????? ?????, ?????? ?????????? ????????? ???????? ????????????, ??????? ????? ??????????? ??? ??????????, ???? ????? ??????????? ??? ??????????, ??????? ?????????? ???????? ?? ????????????? ????? ????????????? ???????????.?
????? - ?????????? ?????, ??????? ?????? ??????????? ???????????? ??????? ????? ????? ??? ??????? ??????????? ?????????
4. ????? ?????? ???????? (Swir)?
????? ?????? ??????? ????? (Swir) ?????????? ????? ????????, ???? ??????????? ?? ???????? ????? ????? ????? ?? ??????? ?? ???????? ????? ?????????? ???????? ????????? ??????.?
?? ????, ?????, ??????????? ???????? ???? ???????????? ??? ?????? ??????????? ????? ????? ?????? ?????.?
SWIR ???? ?????? ?? ????????? ????? ????? ????????? ???.?
????? ?????????? ????? ??????? ????????? ??????, ????? ??????????? 500 ??? 3000 ????????? ?????????. ????? ????????????? 500 ~ 3000 ?????
??????????? ????????????:?
??????, ????? ?? ????? ???????? ???????? ?????????? ?????????? ??????.?
?????? ???????????? ????????, ????? ?????? ?? ????? ??????? ??????
???????? ???????? ?? ???????????? ?????? ????? ??????? ???????
?????? ?????? ?????????? ??????.
5. ??????? ????????? ?????? ????????? (mwir)?
??????????:?
High sensitivity and resolution: Cooled detector with low noise, thermal sensitivity (NETD) <20mK, and excellent detail resolution;?
Strong atmospheric penetration: MWIR has high transmittance in specific atmospheric windows (e.g., 3-5 μm), and is suitable for long-distance observation because it is less affected by interference from fog, smoke and soot.
????? ?????? - LWIRE ?? ?????????????: ??????? ?????: ??????) ????? ??????? ??????? ???????? ???? ?????, ?? ???????? ????? ??????? ??????? ?????, ?? ????? ?????? ???????? ??????.
??? ?????????? ????????: ?????? ?? ????? ?????????????? ???????? ????????? ??? ??????.
??? ?????? ???????? ?????: ????? ????? ????? ????? ?????????? ????????????? 100 ?????? ?????? ????? ????????? ?????????.
?????????:?
?????? ????????? ?? ??????????: CLUARD ???????? ?????????????? ???????, ???????? ??????? ????? ?????, ?????? ?????? ??????, ?????? ??????? 5 - ????????????? ??????? ????? ??????????? 10 ????????? ??? ?????? ?????.
???-????????? ?? ?????? ????: ???????? ?????????, ??????????????? ????? - ?????? ????? ????????? - ????? (??????? ??? ????? ?????), ??? ????????????? ????? ??? ????????.
????? ?????????: ??????????? ??????????? ?????????? ???????? ?????? ?????? ?????, ?????????? ???????? ????????? ????????? ?????? ??????.
???????? ??????: ??????????? ????? (???????, ??? ?????? ???????? ????? ????? ???????? 10,000 ?????) ?????, ???????? ?????? ???? ????????????? ????? ?????, ?????????? ???????? ????????.
??????????? ????????????:?
?????? ?????, ??????????? ??????, ??????? ???, ????? ?? ???? ???????? ??????? ?????;?
?????????????? ????? ??????, ???? ??????? ?????? ?? ??? ?????? (????).
6. ????? ?????? ???????? (lwir)?
??????????:?
???????? ????? ???, ????? ???????: ???????? ???????????? ???????????, ?????? ???????, ??????? ????????, ????? ?????????? ??????.
??????? ???????? ??? ?????????: ??????? ????????????? ??? ???????? ??????? ???????? (40 ° C ~ 85 c), ?????? - ??????? ?????, ????????, ????? ???? ?????? ??????? ??? ??????.
????? ??? ??????????: ??? ????????? 1W ???? ???????? ????? ????? ??????? ????? ?????? ?????? (EXG. ??? ????????? ?????? ???????? ????????) 100 ??? ??????? ???????????????, ?????? ???????? ???????? ????? ?????? ????????.
?????? - ???????? ?????????: ????????? ???????, ?????? ???????? ???????, ????????? ???? ???-?????????? ????? ?????, ??????????, ??????????), ?????? ???? ???????? ??? ??????.
?????????:?
Low sensitivity: usually 30~50mK, lower than cooling type (<20mK), weak detail resolution, easy to overexpose high-temperature targets (need dynamic range adjustment).
Slow response speed: frame rate is usually ≤60Hz, not suitable for ultra-high-speed dynamic scenes (such as ballistic tracking).
???????? ????? ??????????: ?????? ????? ??????? ??????? ????????? ?????????? ?????? (???????, ??????, ?????? ???? ???????? ???????? ???????? ?????.
????? ???????? ?????????: ?????????? ????????? (?? ?????? ????????? ???????) ????? ?????? ??????????????? ???????? ??????? ????? ??? ???, ????? ????????? ????????.> 1KM), ??????? ?????? ??? ?????????????? ?????.
??????????? ????????????:?
????????: ??????? ????????????? ????????, ??????? ?????????????? ???????? ???????, ?????????? ??????????????, ?????????? ??????? ????????, ?????????? ????????????? ?? ????????.
?????? ??????: ??? - ????? ??????? ?????? ?????? ????? ?????????, ????? - ????? ???????? ???????? ???????????.