{"id":3215,"date":"2026-08-06T11:05:58","date_gmt":"2026-08-06T03:05:58","guid":{"rendered":"https:\/\/midradar.com\/?post_type=news&p=3215"},"modified":"2026-08-06T11:29:59","modified_gmt":"2026-08-06T03:29:59","slug":"mwir-vs-lwir-thermal-cameras-for-long-range-surveillance","status":"publish","type":"news","link":"https:\/\/midradar.com\/vi\/news\/mwir-vs-lwir-thermal-cameras-for-long-range-surveillance\/","title":{"rendered":"Camera nhi\u1ec7t MWIR v\u00e0 LWIR cho gi\u00e1m s\u00e1t t\u1ea7m xa"},"content":{"rendered":"

MWIR v\u00e0 LWIR n\u00ean \u0111\u01b0\u1ee3c so s\u00e1nh nh\u01b0 c\u00e1c k\u00eanh h\u00ecnh \u1ea3nh ph\u1ee5 thu\u1ed9c b\u01b0\u1edbc s\u00f3ng, kh\u00f4ng ph\u1ea3i nh\u01b0 c\u00e1c k\u00fd hi\u1ec7u t\u1eaft cho camera l\u00e0m m\u00e1t v\u00e0 kh\u00f4ng l\u00e0m m\u00e1t. D\u1ea3i s\u00f3ng ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 bi\u1ec3u ki\u1ebfn v\u00e0 su\u1ea5t ph\u00e1t x\u1ea1 c\u1ee7a m\u1ee5c ti\u00eau, n\u1ec1n, \u0111\u01b0\u1eddng truy\u1ec1n kh\u00ed quy\u1ec3n, t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u1eb7t tr\u1eddi, thi\u1ebft k\u1ebf quang h\u1ecdc, c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn v\u00e0 quy\u1ebft \u0111\u1ecbnh v\u1eadn h\u00e0nh m\u00e0 h\u00ecnh \u1ea3nh ph\u1ea3i h\u1ed7 tr\u1ee3.<\/p>\n

\"\"

Camera nhi\u1ec7t MWIR v\u00e0 LWIR cho gi\u00e1m s\u00e1t t\u1ea7m xa<\/p><\/div>\n

1. Tr\u1ea1ng Th\u00e1i L\u00e0m M\u00e1t v\u00e0 D\u1ea3i Quang Ph\u1ed5 L\u00e0 Nh\u1eefng Quy\u1ebft \u0110\u1ecbnh Kh\u00e1c Nhau<\/h2>\n

H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t l\u00e0m m\u00e1t t\u1ea7m xa th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i trung s\u00f3ng, trong khi nhi\u1ec1u camera an ninh kh\u00f4ng l\u00e0m m\u00e1t s\u1eed d\u1ee5ng microbolometer h\u1ed3ng ngo\u1ea1i l\u00e0n s\u00f3ng d\u00e0i. \u0110\u00e2y l\u00e0 c\u00e1c m\u00f4 h\u00ecnh tri\u1ec3n khai ph\u1ed5 bi\u1ebfn, kh\u00f4ng ph\u1ea3i \u0111\u1ecbnh ngh\u0129a ph\u1ed5 qu\u00e1t. M\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00ean x\u00e1c \u0111\u1ecbnh ri\u00eang v\u1eadt li\u1ec7u c\u1ea3m bi\u1ebfn, \u0111\u00e1p \u1ee9ng ph\u1ed5, ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t, \u0111\u1ecbnh d\u1ea1ng m\u1ea3ng, kho\u1ea3ng c\u00e1ch \u0111i\u1ec3m \u1ea3nh, t\u1ed1c \u0111\u1ed9 khung h\u00ecnh v\u00e0 ch\u1ebf \u0111\u1ed9 hi\u1ec7u chu\u1ea9n.<\/p>\n

S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y quan tr\u1ecdng v\u00ec truy\u1ec1n d\u1eabn kh\u00ed quy\u1ec3n, ph\u00e1t x\u1ea1 m\u1ee5c ti\u00eau, ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi, v\u1eadt li\u1ec7u quang h\u1ecdc, n\u1ec1n nhi\u1ec7t v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 detector s\u1eb5n c\u00f3 thay \u0111\u1ed5i theo b\u01b0\u1edbc s\u00f3ng. Ng\u01b0\u1eddi mua ch\u1ec9 ghi \u201ccamera nhi\u1ec7t l\u00e0m m\u00e1t\u201d v\u1eabn ch\u01b0a x\u00e1c \u0111\u1ecbnh k\u00eanh c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/p>\n\n\n\n\n\n\n\n\n\n
Tr\u01b0\u1eddng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/td>\nT\u1ea1i sao n\u00f3 ph\u1ea3i r\u00f5 r\u00e0ng<\/strong><\/td>\n<\/tr>\n
V\u1eadt li\u1ec7u v\u00e0 ki\u1ebfn tr\u00fac c\u1ea3m bi\u1ebfn<\/td>\nL\u00e0m r\u00f5 xem \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng b\u1ed9 d\u00f2 photon, microbolometer hay m\u1ed9t ki\u1ebfn tr\u00fac kh\u00e1c.<\/td>\n<\/tr>\n
D\u1ea3i quang ph\u1ed5<\/td>\n\u0110\u1ecbnh ngh\u0129a v\u00f9ng b\u01b0\u1edbc s\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi to\u00e0n b\u1ed9 k\u00eanh c\u1ea3m bi\u1ebfn v\u00e0 quang h\u1ecdc.<\/td>\n<\/tr>\n
Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t v\u00e0 th\u1eddi gian l\u00e0m ngu\u1ed9i<\/td>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 s\u1eb5n s\u00e0ng, c\u00f4ng su\u1ea5t, chu k\u1ef3 nhi\u1ec7m v\u1ee5, b\u1ea3o tr\u00ec v\u00e0 k\u1ebf ho\u1ea1ch d\u1ef1 ph\u00f2ng.<\/td>\n<\/tr>\n
\u0110\u1ecbnh d\u1ea1ng m\u1ea3ng v\u00e0 kho\u1ea3ng c\u00e1ch \u0111i\u1ec3m \u1ea3nh<\/td>\nL\u1ea5y m\u1eabu \u1ea3nh h\u01b0\u1edfng, tr\u01b0\u1eddng nh\u00ecn, k\u00edch th\u01b0\u1edbc quang h\u1ecdc v\u00e0 c\u00e1c t\u00ednh to\u00e1n DRI.<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 khung h\u00ecnh v\u00e0 \u0111\u1ed9 tr\u1ec5<\/td>\nTheo d\u00f5i \u1ea3nh h\u01b0\u1edfng, ph\u00e2n t\u00edch, ph\u1ea3n h\u1ed3i c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0 xem x\u00e9t xu\u1ea5t\/tu\u00e2n th\u1ee7 khi th\u00edch h\u1ee3p.<\/td>\n<\/tr>\n
Ch\u1ebf \u0111\u1ed9 ch\u1ec9 s\u1eed d\u1ee5ng ph\u00f3ng x\u1ea1 ho\u1eb7c h\u00ecnh \u1ea3nh<\/td>\n\u0110o nhi\u1ec7t \u0111\u1ed9 v\u00e0 h\u00ecnh \u1ea3nh an ninh c\u00f3 c\u00e1c nhu c\u1ea7u hi\u1ec7u chu\u1ea9n v\u00e0 ch\u1ea5p nh\u1eadn kh\u00e1c nhau.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u1eefng Sai L\u1ea7m Ch\u1ecdn L\u1ecdc Ph\u1ed5 Bi\u1ebfn C\u1ea7n Tr\u00e1nh Tr\u01b0\u1edbc Khi So S\u00e1nh M\u00e1y \u1ea2nh<\/h3>\n

Tr\u01b0\u1edbc khi so s\u00e1nh \u0111\u1ed9 nh\u1ea1y, ph\u1ea1m vi ho\u1eb7c c\u00e1c tuy\u00ean b\u1ed1 v\u1ec1 d\u1ea3i quang ph\u1ed5, h\u00e3y lo\u1ea1i b\u1ecf t\u00e1m l\u1ed7i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y kh\u1ecfi c\u01a1 s\u1edf RFI\/RFQ<\/u><\/a>.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Sai l\u1ea7m<\/td>\nQuy\u1ebft \u0111\u1ecbnh d\u1ea3i s\u00f3ng t\u1ed1t h\u01a1n<\/td>\n<\/tr>\n
X\u1eed l\u00fd l\u00e0m m\u00e1t\/kh\u00f4ng l\u00e0m m\u00e1t nh\u01b0 c\u00e1c d\u1ea3i ph\u1ed5<\/td>\nCh\u1ec9 \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t v\u00e0 \u0111\u00e1p \u1ee9ng quang ph\u1ed5 c\u1ee7a b\u1ed9 d\u00f2 ch\u00ednh x\u00e1c m\u1ed9t c\u00e1ch ri\u00eang bi\u1ec7t.<\/td>\n<\/tr>\n
S\u1eed d\u1ee5ng m\u1ed9t c\u1ea3nh ban ng\u00e0y thu\u1eadn l\u1ee3i<\/td>\nSo s\u00e1nh c\u00f9ng m\u1ed9t m\u1ee5c ti\u00eau qua c\u00e1c kho\u1ea3ng th\u1eddi gian quan tr\u1ecdng ng\u00e0y\/\u0111\u00eam, n\u1ec1n v\u00e0 th\u1eddi ti\u1ebft.<\/td>\n<\/tr>\n
So s\u00e1nh c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m kh\u00f4ng li\u00ean quan<\/td>\nS\u1eed d\u1ee5ng c\u00f9ng m\u1ee5c ti\u00eau, kh\u00f4ng kh\u00ed, tr\u01b0\u1eddng nh\u00ecn, x\u1eed l\u00fd v\u00e0 quy t\u1eafc ch\u1ea5m \u0111i\u1ec3m.<\/td>\n<\/tr>\n
Ch\u1ec9 ch\u1ecdn t\u1eeb NETD<\/td>\nC\u0103n ch\u1ec9nh c\u01a1 s\u1edf \u0111o l\u01b0\u1eddng v\u00e0 xem x\u00e9t b\u1eb1ng ch\u1ee9ng \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n th\u1ea5p trong c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ed5 bi\u1ebfn.<\/td>\n<\/tr>\n
B\u1ecf qua b\u0103ng ph\u1ee5 v\u00e0 truy\u1ec1n qua \u1ed1ng k\u00ednh<\/td>\nY\u00eau c\u1ea7u d\u1eef li\u1ec7u ph\u1ed5 ph\u1ea3n h\u1ed3i v\u00e0 kh\u1ea9u \u0111\u1ed9 \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a b\u1ed9 d\u00f2 k\u00e8m quang h\u1ecdc.<\/td>\n<\/tr>\n
S\u1eed d\u1ee5ng ti\u00eau c\u1ef1 nh\u01b0 s\u1ef1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng quang h\u1ecdc<\/td>\nSo s\u00e1nh tr\u01b0\u1eddng nh\u00ecn, l\u1ea5y m\u1eabu m\u1ee5c ti\u00eau, kh\u1ea9u \u0111\u1ed9, b\u1eb1ng ch\u1ee9ng MTF v\u00e0 kh\u1ea3 n\u0103ng \u1ed5n \u0111\u1ecbnh.<\/td>\n<\/tr>\n
Gi\u1ea3 s\u1eed m\u1ed9t d\u1ea3i cho m\u1ed7i l\u0129nh v\u1ef1c<\/td>\nCho ph\u00e9p ki\u1ebfn tr\u00fac d\u1ef1a tr\u00ean khu v\u1ef1c ho\u1eb7c ki\u1ebfn tr\u00fac h\u1ed7n h\u1ee3p n\u1ebfu c\u00f3 b\u1eb1ng ch\u1ee9ng \u1ee7ng h\u1ed9 ch\u00fang.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. MWIR v\u00e0 LWIR thay \u0111\u1ed5i g\u00ec trong v\u1ea5n \u0111\u1ec1 h\u00ecnh \u1ea3nh<\/b><\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n
Y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh<\/strong><\/td>\nxem x\u00e9t MWIR<\/strong><\/td>\nxem x\u00e9t LWIR<\/strong><\/td>\n<\/tr>\n
V\u00f9ng quang ph\u1ed5 \u0111i\u1ec3n h\u00ecnh<\/td>\nKho\u1ea3ng 3-5 \u00b5m, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 ph\u1ea3n h\u1ed3i ch\u00ednh x\u00e1c c\u1ee7a b\u1ed9 ph\u00e1t hi\u1ec7n<\/td>\nKho\u1ea3ng 8-12 \u00b5m, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 ph\u1ea3n h\u1ed3i ch\u00ednh x\u00e1c c\u1ee7a b\u1ed9 ph\u00e1t hi\u1ec7n<\/td>\n<\/tr>\n
Tri\u1ec3n khai b\u1ed9 ph\u00e1t hi\u1ec7n<\/td>\nTh\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t cho vi\u1ec7c gi\u00e1m s\u00e1t t\u1ea7m xa \u0111\u00f2i h\u1ecfi cao<\/td>\nTh\u01b0\u1eddng kh\u00f4ng l\u00e0m m\u00e1t trong c\u00e1c h\u1ec7 th\u1ed1ng an ninh; c\u0169ng t\u1ed3n t\u1ea1i LWIR l\u00e0m m\u00e1t<\/td>\n<\/tr>\n
C\u00e1c th\u00e0nh ph\u1ea7n m\u1eb7t tr\u1eddi v\u00e0 ph\u1ea3n x\u1ea1<\/td>\nC\u00f3 th\u1ec3 nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi n\u0103ng l\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 trong m\u1ed9t s\u1ed1 c\u1ea3nh ban ng\u00e0y<\/td>\nTh\u01b0\u1eddng b\u1ecb chi ph\u1ed1i b\u1edfi s\u1ef1 t\u01b0\u01a1ng ph\u1ea3n nhi\u1ec7t ph\u00e1t ra, nh\u01b0ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea3nh v\u1eadt<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng truy\u1ec1n kh\u00ed quy\u1ec3n<\/td>\nS\u1ef1 truy\u1ec1n lan thay \u0111\u1ed5i theo \u0111\u1ed9 \u1ea9m, c\u00e1c h\u1ea1t kh\u00ed dung v\u00e0 d\u1ea3i con \u0111\u00e3 ch\u1ecdn<\/td>\nVi\u1ec7c l\u00e2y truy\u1ec1n c\u0169ng thay \u0111\u1ed5i theo \u0111\u1ed9 \u1ea9m, h\u01a1i n\u01b0\u1edbc v\u00e0 th\u1eddi ti\u1ebft<\/td>\n<\/tr>\n
Quang h\u1ecdc<\/td>\nY\u00eau c\u1ea7u v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p v\u1edbi d\u1ea3i MWIR \u0111\u00e3 ch\u1ecdn<\/td>\nY\u00eau c\u1ea7u v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p v\u1edbi b\u0103ng t\u1ea7n LWIR \u0111\u00e3 ch\u1ecdn<\/td>\n<\/tr>\n
L\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t<\/td>\nPh\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi m\u1ee5c ti\u00eau, n\u1ec1n t\u1ea3ng, l\u1ed9 tr\u00ecnh v\u00e0 ki\u1ec3m th\u1eed ch\u1ea5p nh\u1eadn<\/td>\nPh\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi m\u1ee5c ti\u00eau, n\u1ec1n t\u1ea3ng, l\u1ed9 tr\u00ecnh v\u00e0 ki\u1ec3m th\u1eed ch\u1ea5p nh\u1eadn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3. So s\u00e1nh Chu\u1ed7i Ch\u1ee5p \u1ea2nh Ho\u00e0n Ch\u1ec9nh<\/h2>\n

Quy\u1ebft \u0111\u1ecbnh v\u1ec1 d\u1ea3i s\u00f3ng ph\u1ea3i b\u1ea3o to\u00e0n th\u00f4ng tin ph\u1ed5 su\u1ed1t to\u00e0n b\u1ed9 k\u00eanh. So s\u00e1nh ph\u1ea3n \u1ee9ng c\u1ee7a detector, truy\u1ec1n qua \u1ed1ng k\u00ednh, kh\u1ea9u \u0111\u1ed9, hi\u1ec7u chu\u1ea9n, x\u1eed l\u00fd v\u00e0 hi\u1ec3n th\u1ecb c\u00f9ng nhau; m\u1ed9t detector m\u1ea1nh kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n b\u1ecb m\u1ea5t do quang h\u1ecdc d\u1ea3i s\u00f3ng kh\u00f4ng ph\u00f9 h\u1ee3p ho\u1eb7c \u0111\u01b0\u1eddng \u0111i v\u1edbi truy\u1ec1n d\u1eabn k\u00e9m.<\/p>\n

H\u00ecnh 2. D\u1ea3i s\u00f3ng h\u1eefu \u00edch \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi k\u00eanh quang ph\u1ed5 c\u1ee7a detector v\u00e0 quang h\u1ecdc, \u0111\u01b0\u1eddng truy\u1ec1n kh\u00ed quy\u1ec3n v\u00e0 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n gi\u1eefa m\u1ee5c ti\u00eau v\u00e0 n\u1ec1n.<\/p>\n

Ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c trang danh m\u1ee5c Midradar \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u1ea7n c\u1ee9ng \u1ee9ng vi\u00ean. Tr\u01b0\u1edbc khi so s\u00e1nh, ghi l\u1ea1i ph\u1ea3n h\u1ed3i ch\u00ednh x\u00e1c c\u1ee7a t\u1eebng c\u1ea3m bi\u1ebfn \u1ee9ng vi\u00ean, d\u1ea3i ph\u1ee5 ho\u1ea1t \u0111\u1ed9ng, truy\u1ec1n qua \u1ed1ng k\u00ednh v\u00e0 kh\u1ea9u \u0111\u1ed9 tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi tr\u01b0\u1eddng nh\u00ecn y\u00eau c\u1ea7u.<\/p>\n

\"\"

Camera nhi\u1ec7t MWIR v\u00e0 LWIR cho gi\u00e1m s\u00e1t t\u1ea7m xa<\/p><\/div>\n

4. Kh\u00f4ng ch\u1ec9 ch\u1ecdn m\u1ed9t d\u1ea3i s\u00f3ng t\u1eeb NETD<\/h2>\n

C\u00e1c gi\u00e1 tr\u1ecb NETD kh\u00f4ng th\u1ec3 so s\u00e1nh tr\u1ef1c ti\u1ebfp tr\u1eeb khi nhi\u1ec7t \u0111\u1ed9 detector, d\u1ea3i con \u0111\u01b0\u1ee3c ch\u1ecdn, s\u1ed1 f c\u1ee7a \u1ed1ng k\u00ednh, th\u1eddi gian t\u00edch h\u1ee3p v\u00e0 tr\u1ea1ng th\u00e1i x\u1eed l\u00fd \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh. S\u1eed d\u1ee5ng NETD ch\u1ec9 nh\u01b0 m\u1ed9t y\u1ebfu t\u1ed1 \u0111\u1ea7u v\u00e0o, sau \u0111\u00f3 ki\u1ec3m tra c\u00e1c ghi h\u00ecnh c\u1ea3nh chung trong tr\u01b0\u1eddng h\u1ee3p t\u01b0\u01a1ng ph\u1ea3n m\u1ee5c ti\u00eau-n\u1ec1n th\u1ea5p v\u00e0 chuy\u1ec3n nhi\u1ec7t.<\/p>\n

\u0110\u1ec3 so s\u00e1nh d\u1ea3i s\u00f3ng, c\u0103n ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 detector, d\u1ea3i con \u0111\u01b0\u1ee3c ch\u1ecdn, s\u1ed1 f c\u1ee7a \u1ed1ng k\u00ednh, th\u1eddi gian t\u00edch h\u1ee3p v\u00e0 tr\u1ea1ng th\u00e1i x\u1eed l\u00fd. Xem l\u1ea1i c\u00e1c ghi h\u00ecnh \u0111\u1ed3ng b\u1ed9 c\u1ee7a c\u00f9ng c\u1ea3nh th\u1ea5p t\u01b0\u01a1ng ph\u1ea3n \u0111\u1ec3 s\u1ef1 kh\u00e1c bi\u1ec7t k\u00eanh ph\u1ed5 kh\u00f4ng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi quang h\u1ecdc kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u ho\u1eb7c c\u00e0i \u0111\u1eb7t t\u0103ng c\u01b0\u1eddng.<\/p>\n\n\n\n\n\n\n\n\n
Nh\u1eadp so s\u00e1nh d\u1ea3i s\u00f3ng<\/td>\nT\u1ea1i sao \u0111i\u1ec1u \u0111\u00f3 quan tr\u1ecdng<\/td>\n<\/tr>\n
Ph\u1ea3n \u1ee9ng ph\u1ed5 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 d\u1ea3i con \u0111\u01b0\u1ee3c ch\u1ecdn<\/td>\n\u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u1ee7a kh\u00f4ng kh\u00ed v\u00e0 m\u1ee5c ti\u00eau c\u00f3 th\u1ec3 thay \u0111\u1ed5i trong nh\u00e3n MWIR ho\u1eb7c LWIR r\u1ed9ng.<\/td>\n<\/tr>\n
Truy\u1ec1n \u00e1nh s\u00e1ng ho\u00e0n to\u00e0n c\u1ee7a \u1ed1ng k\u00ednh v\u00e0 s\u1ed1 f tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi zoom<\/td>\nT\u00edn hi\u1ec7u truy\u1ec1n ph\u1ee5 thu\u1ed9c v\u00e0o quang h\u1ecdc, kh\u00f4ng ch\u1ec9 ri\u00eang ph\u1ea3n \u1ee9ng c\u1ee7a detector.<\/td>\n<\/tr>\n
\u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n b\u1ee9c x\u1ea1 ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 m\u1ee5c ti\u00eau\/n\u1ec1n ph\u1ed5 bi\u1ebfn<\/td>\nNg\u0103n ch\u1eb7n c\u00e1c c\u1ea3nh kh\u00e1c nhau \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y nh\u01b0 s\u1ef1 v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a d\u1ea3i s\u00f3ng.<\/td>\n<\/tr>\n
M\u00f4 h\u00ecnh \u0111\u01b0\u1eddng d\u1eabn v\u00e0 c\u00e1c bi\u1ebfn th\u1eddi ti\u1ebft \u0111\u00e3 \u0111o<\/td>\nL\u00e0m cho d\u1ef1 \u0111o\u00e1n ph\u1ea1m vi c\u00f3 th\u1ec3 truy nguy\u00ean \u0111\u1ebfn \u0111\u1ed9 \u1ea9m, kh\u00ed aerosol, kh\u1ea3 n\u0103ng nh\u00ecn v\u00e0 h\u00ecnh h\u1ecdc.<\/td>\n<\/tr>\n
B\u1ea3n ghi \u0111\u1ed3ng b\u1ed9 h\u00f3a g\u1ed1c v\u00e0 si\u00eau d\u1eef li\u1ec7u<\/td>\nCho ph\u00e9p ch\u1ea5m \u0111i\u1ec3m song song m\u00e0 kh\u00f4ng c\u1ea7n \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh \u0111\u00e3 ch\u1ecdn ho\u1eb7c x\u1eed l\u00fd kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

5. B\u1ea7u kh\u00f4ng kh\u00ed v\u00e0 b\u1ed1i c\u1ea3nh c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c th\u1ee9 h\u1ea1ng<\/h2>\n

C\u00e1c K\u1ecbch B\u1ea3n M\u00f4i Tr\u01b0\u1eddng C\u00f3 Th\u1ec3 Thay \u0110\u1ed5i Quy\u1ebft \u0110\u1ecbnh B\u0103ng T\u1ea7n S\u00f3ng<\/b><\/strong><\/h3>\n

H\u01a1i n\u01b0\u1edbc, kh\u00ed dung, s\u00f3ng bi\u1ec3n, b\u1ee5i, s\u01b0\u01a1ng m\u00f9, m\u01b0a v\u00e0 nhi\u1ec5u lo\u1ea1n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn MWIR v\u00e0 LWIR kh\u00e1c nhau tr\u00ean c\u00e1c d\u1ea3i ph\u1ee5 v\u00e0 c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n c\u1ee5 th\u1ec3. N\u1ec1n c\u1ea3nh c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c l\u1ee3i th\u1ebf nh\u00ecn th\u1ea5y: ph\u1ea3n x\u1ea1 c\u1ee7a m\u1eb7t tr\u1eddi, b\u1ee9c x\u1ea1 t\u1eeb b\u1ea7u tr\u1eddi, \u0111\u1ecba h\u00ecnh \u1ea5m, n\u01b0\u1edbc v\u00e0 kh\u00ed th\u1ea3i c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u1ee7a m\u1ee5c ti\u00eau theo th\u1eddi gian v\u00e0 h\u00ecnh h\u1ecdc quan s\u00e1t. H\u00e3y m\u00f4 h\u00ecnh h\u00f3a c\u00e1c c\u1eeda s\u1ed5 quan tr\u1ecdng c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m thay v\u00ec tuy\u00ean b\u1ed1 m\u1ed9t d\u1ea3i b\u0103ng v\u01b0\u1ee3t tr\u1ed9i to\u00e0n c\u1ea7u.<\/p>\n

Nh\u00e0 cung c\u1ea5p n\u00ean ghi r\u00f5 m\u00f4 h\u00ecnh kh\u00ed quy\u1ec3n ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n th\u1ef1c \u0111\u1ecba \u0111\u1eb1ng sau m\u1ed7i d\u1ef1 \u0111o\u00e1n t\u1ea7m xa. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n c\u00f3 gi\u00e1 tr\u1ecb cao, h\u00e3y \u0111\u00e1nh gi\u00e1 c\u00e1c c\u1eeda s\u1ed5 theo m\u00f9a v\u00e0 h\u00e0ng ng\u00e0y thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t l\u1ea7n tr\u00ecnh di\u1ec5n thu\u1eadn l\u1ee3i. M\u00f4 h\u00ecnh \u0111\u1ecba \u0111i\u1ec3m n\u00ean bao g\u1ed3m chi\u1ec1u cao l\u1eafp \u0111\u1eb7t, \u0111\u01b0\u1eddng \u0111i nghi\u00eang, h\u00ecnh h\u1ecdc ch\u00e2n tr\u1eddi, n\u1ec1n d\u1ef1 ki\u1ebfn v\u00e0 c\u00e1c kho\u1ea3ng th\u1eddi gian quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng nh\u1ea5t.<\/p>\n\n\n\n\n\n\n\n\n
M\u00f4i tr\u01b0\u1eddng<\/strong><\/td>\nC\u00e1i g\u00ec \u0111\u1ec3 m\u00f4 ph\u1ecfng ho\u1eb7c ki\u1ec3m tra<\/strong><\/td>\n<\/tr>\n
B\u1edd bi\u1ec3n\/c\u1ea3ng \u1ea9m \u01b0\u1edbt<\/td>\nH\u01a1i n\u01b0\u1edbc, s\u01b0\u01a1ng m\u00f9 bi\u1ec3n, kh\u00f3i m\u00f9, \u00e1nh s\u00e1ng ph\u1ea3n chi\u1ebfu t\u1eeb m\u1eb7t tr\u1eddi, n\u1ec1n n\u01b0\u1edbc\/tr\u1eddi \u1ea5m, \u0103n m\u00f2n v\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a gi\u00e0n khoan.<\/td>\n<\/tr>\n
Sa m\u1ea1c n\u00f3ng<\/td>\nB\u1ee5i\/b\u1ee5i kh\u00ed quy\u1ec3n, nhi\u1ec7t t\u1eeb m\u1eb7t tr\u1eddi, nhi\u1ec5u nhi\u1ec7t, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u1ee5c ti\u00eau th\u1ea5p g\u1ea7n \u0111i\u1ec3m giao nhau v\u00e0 g\u00e1nh n\u1eb7ng l\u00e0m m\u00e1t\/l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed.<\/td>\n<\/tr>\n
L\u1ea1nh ho\u1eb7c \u0111\u1ed9 cao<\/td>\nNhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng th\u1ea5p, \u0111\u00f3ng b\u0103ng, thay \u0111\u1ed5i ti\u00eau \u0111i\u1ec3m, nhu c\u1ea7u s\u1eed d\u1ee5ng b\u1ed9 s\u01b0\u1edfi, n\u1ec1n tuy\u1ebft v\u00e0 h\u00e0nh vi kh\u1edfi \u0111\u1ed9ng l\u1ea1nh.<\/td>\n<\/tr>\n
Khu c\u00f4ng nghi\u1ec7p<\/td>\nThi\u1ebft b\u1ecb n\u00f3ng, h\u01a1i n\u01b0\u1edbc, lu\u1ed3ng kh\u00f3i th\u1ea3i, b\u1ec1 m\u1eb7t ph\u1ea3n chi\u1ebfu, rung \u0111\u1ed9ng, m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn b\u1ea3o tr\u00ec.<\/td>\n<\/tr>\n
\u0110\u00f4 th\u1ecb\/v\u00e0nh \u0111ai<\/td>\nN\u1ec1n d\u00e0y \u0111\u1eb7c, giao th\u00f4ng, ngu\u1ed3n nhi\u1ec7t, che khu\u1ea5t, chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0\/l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

6. Quang h\u1ecdc v\u00e0 tr\u01b0\u1eddng nh\u00ecn ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi d\u1ea3i s\u00f3ng<\/h2>\n

Quang h\u1ecdc theo d\u1ea3i s\u00f3ng ki\u1ec3m so\u00e1t s\u1ef1 truy\u1ec1n s\u00e1ng, kh\u1ea9u \u0111\u1ed9, h\u00e0nh vi l\u1ea5y n\u00e9t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tr\u1ee5c quang. Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p ti\u1ebft l\u1ed9 v\u1eadt li\u1ec7u\/ l\u1edbp ph\u1ee7 \u1ed1ng k\u00ednh, kh\u1ea9u \u0111\u1ed9 r\u00f5 r\u00e0ng ho\u1eb7c f-number tr\u00ean to\u00e0n d\u1ea3i zoom, truy\u1ec1n s\u00e1ng tr\u00ean d\u1ea3i b\u0103ng \u0111\u01b0\u1ee3c tuy\u00ean b\u1ed1, d\u1ecbch chuy\u1ec3n ti\u00eau \u0111i\u1ec3m theo nhi\u1ec7t \u0111\u1ed9, tr\u1ee5c quang ph\u1ee5 thu\u1ed9c zoom v\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u chu\u1ea9n. So s\u00e1nh c\u00e1c tr\u01b0\u1eddng nh\u00ecn t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u00e0 m\u1eabu m\u1ee5c ti\u00eau, kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean ti\u00eau c\u1ef1.<\/p>\n

Ch\u1ec9 \u0111\u1ecbnh tr\u01b0\u1eddng nh\u00ecn ngang v\u00e0 d\u1ecdc, m\u1eabu m\u1ee5c ti\u00eau v\u00e0 kh\u1ea9u \u0111\u1ed9 \u1edf m\u1ed7i ti\u00eau c\u1ef1 ho\u1ea1t \u0111\u1ed9ng. Y\u00eau c\u1ea7u truy\u1ec1n d\u1eabn theo d\u1ea3i s\u00f3ng, h\u00e0nh vi l\u1ea5y n\u00e9t ph\u1ee5 thu\u1ed9c nhi\u1ec7t \u0111\u1ed9 v\u00e0 d\u1eef li\u1ec7u tr\u1ee5c ng\u1eafm zoom. \u0110\u1ed1i v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c radar d\u1eabn, gi\u1eef c\u1ed1 \u0111\u1ecbnh chuy\u1ec3n \u0111\u1ed5i t\u1ecda \u0111\u1ed9, chuy\u1ec3n \u0111\u1ed9ng PTU v\u00e0 \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 ph\u00e9p so s\u00e1nh ch\u1ec9 t\u1eadp trung v\u00e0o k\u00eanh h\u00ecnh \u1ea3nh.<\/p>\n\n\n\n\n\n\n\n\n
\u0110i\u1ec1u khi\u1ec3n quang h\u1ecdc theo d\u1ea3i s\u00f3ng<\/td>\nNg\u01b0\u1eddi mua n\u00ean y\u00eau c\u1ea7u<\/td>\n<\/tr>\n
Truy\u1ec1n ph\u1ed5<\/td>\nV\u1eadt li\u1ec7u \u1ed1ng k\u00ednh, l\u1edbp ph\u1ee7 v\u00e0 truy\u1ec1n s\u00e1ng \u0111\u00e3 \u0111o\/khai b\u00e1o tr\u00ean d\u1ea3i ph\u1ee5 ho\u1ea1t \u0111\u1ed9ng.<\/td>\n<\/tr>\n
Kh\u1ea9u \u0111\u1ed9 theo zoom<\/td>\nKh\u1ea9u \u0111\u1ed9 hi\u1ec7u d\u1ee5ng ho\u1eb7c s\u1ed1 f t\u1ea1i m\u1ed7i ti\u00eau c\u1ef1 ho\u1ea1t \u0111\u1ed9ng, bao g\u1ed3m b\u1ea5t k\u1ef3 kh\u1ea9u \u0111\u1ed9 \u0111\u00f3ng l\u1ea1i n\u00e0o.<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a ti\u00eau \u0111i\u1ec3m<\/td>\nPh\u01b0\u01a1ng ph\u00e1p l\u1ea5y n\u00e9t, kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i v\u00e0 s\u1ef1 d\u1ecbch chuy\u1ec3n ph\u1ee5 thu\u1ed9c nhi\u1ec7t \u0111\u1ed9 cho b\u0103ng t\u1ea7n \u0111\u00e3 ch\u1ecdn.<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh tr\u1ee5c ng\u1eafm<\/td>\nC\u0103n ch\u1ec9nh nhi\u1ec7t-s\u00e1ng v\u00e0 thay \u0111\u1ed5i tr\u1ee5c nh\u00ecn theo zoom v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/td>\n<\/tr>\n
T\u1ec9 l\u1ec7 h\u00ecnh \u1ea3nh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/td>\nTr\u01b0\u1eddng nh\u00ecn ngang\/d\u1ecdc, \u0111i\u1ec3m \u1ea3nh m\u1ee5c ti\u00eau v\u00e0 \u1ed5n \u0111\u1ecbnh tr\u00ean m\u1ed9t c\u1ea3nh chung.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

7. S\u1eed d\u1ee5ng T\u00ecnh hu\u1ed1ng Nhi\u1ec7m v\u1ee5 Thay v\u00ec Quy t\u1eafc Chung<\/b><\/strong><\/h2>\n\n\n\n\n\n\n\n\n
K\u1ecbch b\u1ea3n nhi\u1ec7m v\u1ee5<\/strong><\/td>\nNh\u1eefng c\u00e2u h\u1ecfi c\u1ea7n gi\u1ea3i quy\u1ebft tr\u01b0\u1edbc khi ch\u1ecdn<\/strong><\/td>\n<\/tr>\n
Gi\u00e1m s\u00e1t bi\u00ean gi\u1edbi v\u00e0 sa m\u1ea1c<\/td>\nNhi\u1ec7t \u0111\u1ed9 n\u1ec1n ban ng\u00e0y\/ban \u0111\u00eam, \u0111\u01b0\u1eddng \u0111i c\u1ee7a b\u1ee5i v\u00e0 kh\u00ed aerosol, \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ecba h\u00ecnh n\u00f3ng, th\u1eddi gian c\u1ea3nh b\u00e1o v\u00e0 truy c\u1eadp b\u1ea3o tr\u00ec<\/td>\n<\/tr>\n
Gi\u00e1m s\u00e1t ven bi\u1ec3n v\u00e0 c\u1ea3ng<\/td>\n\u0110\u1ed9 \u1ea9m, s\u01b0\u01a1ng mu\u1ed1i, s\u01b0\u01a1ng m\u00f9, n\u1ec1n \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi, rung c\u1ee7a n\u1ec1n t\u1ea3ng v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<\/tr>\n
S\u00e2n bay v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng<\/td>\nC\u00e1c l\u1edbp m\u1ee5c ti\u00eau, m\u00f4i tr\u01b0\u1eddng b\u00e1o \u0111\u1ed9ng gi\u1ea3, \u0111\u1ed9 tr\u1ec5 t\u00edch h\u1ee3p, tr\u01b0\u1eddng nh\u00ecn v\u00e0 nhi\u1ec7m v\u1ee5 nh\u1eadn d\u1ea1ng c\u1ee7a ng\u01b0\u1eddi \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n
Gi\u00e1m s\u00e1t c\u00f4ng nghi\u1ec7p c\u1ed9ng v\u1edbi an ninh<\/td>\nC\u00f3 c\u1ea7n \u0111o l\u01b0\u1eddng b\u1ee9c x\u1ea1 hay kh\u00f4ng, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 m\u1ee5c ti\u00eau v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t hi\u1ec7u chu\u1ea9n<\/td>\n<\/tr>\n
Theo d\u00f5i t\u1ea7m xa \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng radar<\/td>\nX\u00e1c su\u1ea5t m\u1ee5c ti\u00eau trong khung sau khi chuy\u1ec3n \u0111\u1ed5i t\u1ecda \u0111\u1ed9, PTU settling<\/a>, l\u1ef1a ch\u1ecdn h\u1eb9p l\u0129nh v\u1ef1c v\u00e0 m\u1ea5t kh\u00ed quy\u1ec3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kh\u00f4ng c\u00f3 h\u00e0ng n\u00e0o trong b\u1ea3ng n\u00e0y t\u1ef1 \u0111\u1ed9ng ch\u1ecdn MWIR hay LWIR. N\u00f3 x\u00e1c \u0111\u1ecbnh b\u1eb1ng ch\u1ee9ng c\u1ea7n thi\u1ebft cho m\u1ed9t so s\u00e1nh theo d\u1ef1 \u00e1n c\u1ee5 th\u1ec3.<\/p>\n

\"\"

Camera nhi\u1ec7t MWIR v\u00e0 LWIR cho gi\u00e1m s\u00e1t t\u1ea7m xa<\/p><\/div>\n

8. X\u00e1c \u0111\u1ecbnh C\u01a1 s\u1edf So s\u00e1nh Nh\u00e0 cung c\u1ea5p Chung<\/b><\/strong><\/h2>\n