{"id":5813,"date":"2026-03-23T16:48:43","date_gmt":"2026-03-23T08:48:43","guid":{"rendered":"https:\/\/www.yantaisensor.com\/?p=5813"},"modified":"2026-03-23T17:01:42","modified_gmt":"2026-03-23T09:01:42","slug":"how-is-visibility-measured","status":"publish","type":"post","link":"https:\/\/www.yantaisensor.com\/vi\/blog\/how-is-visibility-measured","title":{"rendered":"C\u00e1ch \u0111o l\u01b0\u1eddng \u0111\u1ed9 s\u00e1ng nh\u01b0 th\u1ebf n\u00e0o? H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c\u1ea3m bi\u1ebfn v\u00e0 c\u00f4ng ngh\u1ec7 \u0111o l\u01b0\u1eddng \u0111\u1ed9 s\u00e1ng"},"content":{"rendered":"

Trong l\u0129nh v\u1ef1c quan tr\u1eafc kh\u00ed t\u01b0\u1ee3ng v\u00e0 giao th\u00f4ng th\u00f4ng minh, t\u1ea7m nh\u00ecn c\u00f3 m\u1ed1i li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi an to\u00e0n v\u1eadn h\u00e0nh. D\u00f9 l\u00e0 c\u1ea3nh b\u00e1o s\u01b0\u01a1ng m\u00f9 tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c hay qu\u1ea3n l\u00fd an to\u00e0n t\u1ea1i c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng th\u1ee7y c\u1ea3ng, vi\u1ec7c \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c Ph\u1ea1m vi quan s\u00e1t kh\u00ed t\u01b0\u1ee3ng (MOR)<\/a> l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu. V\u1eady, ch\u00ednh x\u00e1c th\u00ec c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i thay th\u1ebf con m\u1eaft con ng\u01b0\u1eddi nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c k\u1ebft qu\u1ea3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t? H\u00f4m nay, ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u c\u00e1ch \u0111o l\u01b0\u1eddng t\u1ea7m nh\u00ecn trong l\u0129nh v\u1ef1c gi\u00e1m s\u00e1t kh\u00ed t\u01b0\u1ee3ng v\u00e0 giao th\u00f4ng th\u00f4ng minh.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u0110\u1ed9 trong su\u1ed1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi ti\u1ebft nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

T\u1ea7m nh\u00ecn l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng ph\u1ea3n \u00e1nh t\u00ecnh tr\u1ea1ng kh\u00ed quy\u1ec3n, th\u1ec3 hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a s\u01b0\u01a1ng m\u00f9, kh\u00f3i m\u00f9, l\u01b0\u1ee3ng m\u01b0a v\u00e0 c\u00e1c h\u1ea1t b\u1ee5i trong kh\u00f4ng kh\u00ed. M\u1eb7c d\u00f9 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u1eddi ti\u1ebft, nh\u01b0ng t\u1ea7m nh\u00ecn gi\u1ea3m s\u00fat b\u00e1o hi\u1ec7u nh\u1eefng thay \u0111\u1ed5i trong kh\u00ed quy\u1ec3n v\u00e0 c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 gi\u1ecdt n\u01b0\u1edbc, tuy\u1ebft, m\u01b0a, b\u1ee5i v\u00e0 \u00f4 nhi\u1ec5m l\u00e0m t\u00e1n x\u1ea1 ho\u1eb7c h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng, l\u00e0m gi\u1ea3m t\u1ea7m nh\u00ecn v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn an to\u00e0n giao th\u00f4ng, ho\u1ea1t \u0111\u1ed9ng h\u00e0ng kh\u00f4ng v\u00e0 h\u00e0ng h\u1ea3i. Xu h\u01b0\u1edbng t\u1ea7m nh\u00ecn d\u00e0i h\u1ea1n c\u0169ng cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t th\u00f4ng s\u1ed1 thi\u1ebft y\u1ebfu cho c\u1ea3 ph\u00e2n t\u00edch kh\u00ed t\u01b0\u1ee3ng v\u00e0 ra quy\u1ebft \u0111\u1ecbnh th\u1ef1c ti\u1ec5n.<\/p>\n\n\n\n

S\u01b0\u01a1ng m\u00f9, s\u01b0\u01a1ng m\u00f9 nh\u1eb9 v\u00e0 kh\u00f3i m\u00f9: Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 t\u1ea7m nh\u00ecn trong kh\u00ed quy\u1ec3n<\/h2>\n\n\n\n

S\u01b0\u01a1ng m\u00f9, s\u01b0\u01a1ng m\u00f9 nh\u1eb9 v\u00e0 kh\u00f3i m\u00f9 l\u00e0 nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed quy\u1ec3n ph\u1ed5 bi\u1ebfn l\u00e0m gi\u1ea3m t\u1ea7m nh\u00ecn, nh\u01b0ng ch\u00fang kh\u00e1c nhau v\u1ec1 th\u00e0nh ph\u1ea7n h\u1ea1t, m\u1eadt \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u ki\u1ec7n h\u00ecnh th\u00e0nh.<\/p>\n\n\n\n

S\u01b0\u01a1ng m\u00f9: <\/strong>S\u01b0\u01a1ng m\u00f9 l\u00e0 m\u1ed9t \u0111\u00e1m m\u00e2y d\u00e0y \u0111\u1eb7c g\u1ed3m nh\u1eefng gi\u1ecdt n\u01b0\u1edbc li ti l\u01a1 l\u1eedng g\u1ea7n m\u1eb7t \u0111\u1ea5t, th\u01b0\u1eddng l\u00e0m gi\u1ea3m t\u1ea7m nh\u00ecn xu\u1ed1ng d\u01b0\u1edbi 1 km. S\u01b0\u01a1ng m\u00f9 h\u00ecnh th\u00e0nh khi nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed gi\u1ea3m xu\u1ed1ng \u0111\u1ebfn \u0111i\u1ec3m s\u01b0\u01a1ng trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed9 \u1ea9m cao, t\u1ea1o ra m\u1ed9t l\u1edbp s\u01b0\u01a1ng m\u00f9 d\u00e0y \u0111\u1eb7c v\u00e0 gi\u1edbi h\u1ea1n trong m\u1ed9t khu v\u1ef1c nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n

S\u01b0\u01a1ng m\u00f9:<\/strong> S\u01b0\u01a1ng m\u00f9 bao g\u1ed3m c\u00e1c gi\u1ecdt n\u01b0\u1edbc c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n so v\u1edbi s\u01b0\u01a1ng m\u00f9 d\u00e0y \u0111\u1eb7c, th\u01b0\u1eddng cho t\u1ea7m nh\u00ecn t\u1eeb 1 km \u0111\u1ebfn 2 km. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y xu\u1ea5t hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n, th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u00e0o s\u00e1ng s\u1edbm ho\u1eb7c sau nh\u1eefng c\u01a1n m\u01b0a nh\u1ecf.<\/p>\n\n\n\n

S\u01b0\u01a1ng m\u00f9: <\/strong>S\u01b0\u01a1ng m\u00f9 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng do c\u00e1c h\u1ea1t r\u1eafn si\u00eau m\u1ecbn, nh\u01b0 b\u1ee5i, kh\u00f3i ho\u1eb7c ch\u1ea5t \u00f4 nhi\u1ec5m, l\u01a1 l\u1eedng trong kh\u00f4ng kh\u00ed g\u00e2y ra. Kh\u00e1c v\u1edbi s\u01b0\u01a1ng m\u00f9 hay s\u01b0\u01a1ng m\u00f9 nh\u1eb9, s\u01b0\u01a1ng m\u00f9 kh\u00f4ng li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh ng\u01b0ng t\u1ee5 n\u01b0\u1edbc v\u00e0 th\u01b0\u1eddng l\u00e0m gi\u1ea3m t\u1ea7m nh\u00ecn \u1edf kho\u1ea3ng c\u00e1ch xa, khi\u1ebfn b\u1ea7u tr\u1eddi tr\u00f4ng m\u1edd \u1ea3o ho\u1eb7c nh\u1ee3t nh\u1ea1t.<\/p>\n\n\n\n

Th\u1eddi ti\u1ebft \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea7m nh\u00ecn trong kh\u00ed quy\u1ec3n nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

T\u1ea7m nh\u00ecn trong kh\u00ed quy\u1ec3n b\u1ecb \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd b\u1edfi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft, b\u1edfi nh\u1eefng thay \u0111\u1ed5i trong m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng ho\u1eb7c gi\u1ea3m kho\u1ea3ng c\u00e1ch m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c c\u00e1c v\u1eadt th\u1ec3. Th\u1eddi ti\u1ebft t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn t\u1ea7m nh\u00ecn b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n v\u00e0 h\u00e0nh vi c\u1ee7a c\u00e1c h\u1ea1t v\u00e0 h\u01a1i \u1ea9m trong kh\u00f4ng kh\u00ed \u2013 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y l\u00e0m t\u00e1n x\u1ea1 ho\u1eb7c h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kho\u1ea3ng c\u00e1ch v\u00e0 \u0111\u1ed9 r\u00f5 n\u00e9t m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 quan s\u00e1t.<\/p>\n\n\n

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\"t\u1ea7m<\/figure>\n<\/div>\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb:<\/strong><\/p>\n\n\n\n

    \n
  • N\u1ed3ng \u0111\u1ed9 h\u1ea1t:<\/strong> N\u1ed3ng \u0111\u1ed9 b\u1ee5i, kh\u00f3i, ph\u1ea5n hoa ho\u1eb7c \u00f4 nhi\u1ec5m cao h\u01a1n s\u1ebd l\u00e0m t\u0103ng hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng v\u00e0 l\u00e0m gi\u1ea3m t\u1ea7m nh\u00ecn.<\/li>\n\n\n\n
  • \u0110\u1ed9 \u1ea9m:<\/strong> \u0110\u1ed9 \u1ea9m cao t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u01b0\u01a1ng m\u00f9 ho\u1eb7c s\u01b0\u01a1ng m\u00f9 nh\u1eb9 h\u00ecnh th\u00e0nh, khi\u1ebfn t\u1ea7m nh\u00ecn b\u1ecb gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/li>\n\n\n\n
  • Nhi\u1ec7t \u0111\u1ed9:<\/strong> S\u1ef1 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c gradient nhi\u1ec7t, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c h\u1ea1t v\u00e0 \u0111\u1ed9 \u1ea9m.<\/li>\n\n\n\n
  • T\u1ed1c \u0111\u1ed9 gi\u00f3:<\/strong> Gi\u00f3 m\u1ea1nh c\u00f3 th\u1ec3 th\u1ed5i bay c\u00e1c h\u1ea1t b\u1ee5i, gi\u00fap t\u1ea7m nh\u00ecn t\u1ea1m th\u1eddi \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, ho\u1eb7c l\u00e0m b\u1ee5i b\u1ea9n v\u00e0 m\u1ea3nh v\u1ee5n bay l\u00ean, khi\u1ebfn t\u1ea7m nh\u00ecn b\u1ecb gi\u1ea3m s\u00fat.<\/li>\n\n\n\n
  • L\u01b0\u1ee3ng m\u01b0a:<\/strong> M\u01b0a, tuy\u1ebft ho\u1eb7c m\u01b0a \u0111\u00e1 c\u1ea3n tr\u1edf s\u1ef1 truy\u1ec1n \u00e1nh s\u00e1ng, d\u1eabn \u0111\u1ebfn t\u1ea7m nh\u00ecn b\u1ecb h\u1ea1n ch\u1ebf trong th\u1eddi gian ng\u1eafn.<\/li>\n<\/ul>\n\n\n\n

    L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111o \u0111\u1ed9 trong su\u1ed1t c\u1ee7a th\u1eddi ti\u1ebft?<\/strong><\/strong><\/h2>\n\n\n\n

    Vi\u1ec7c \u0111o l\u01b0\u1eddng t\u1ea7m nh\u00ecn th\u1eddi ti\u1ebft th\u01b0\u1eddng bao g\u1ed3m hai ph\u01b0\u01a1ng ph\u00e1p: quan s\u00e1t th\u1ee7 c\u00f4ng v\u00e0 ph\u00e1t hi\u1ec7n b\u1eb1ng thi\u1ebft b\u1ecb. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ee7 c\u00f4ng d\u1ef1a v\u00e0o ph\u00e1n \u0111o\u00e1n c\u1ee7a con ng\u01b0\u1eddi \u0111\u1ec3 \u01b0\u1edbc t\u00ednh kho\u1ea3ng c\u00e1ch m\u00e0 c\u00e1c v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y r\u00f5 r\u00e0ng, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n do s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c c\u00e1 nh\u00e2n v\u00e0 s\u1ef1 can thi\u1ec7p c\u1ee7a m\u00f4i tr\u01b0\u1eddng. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t t\u1ea7m nh\u00ecn hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 quang h\u1ecdc v\u00e0 c\u1ea3m bi\u1ebfn \u0111\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u ch\u00ednh x\u00e1c, li\u00ean t\u1ee5c v\u00e0 kh\u00e1ch quan h\u01a1n. Do \u0111\u00f3, ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng b\u1eb1ng thi\u1ebft b\u1ecb \u0111\u00e3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong gi\u00e1m s\u00e1t kh\u00ed t\u01b0\u1ee3ng, an to\u00e0n giao th\u00f4ng v\u00e0 ph\u00e2n t\u00edch m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

    1. Ph\u01b0\u01a1ng ph\u00e1p quan s\u00e1t th\u1ee7 c\u00f4ng<\/strong><\/strong><\/h3>\n\n\n\n

    Quan s\u00e1t th\u1ee7 c\u00f4ng th\u01b0\u1eddng bao g\u1ed3m vi\u1ec7c ch\u1ecdn c\u00e1c v\u1eadt th\u1ec3 \u1edf nh\u1eefng kho\u1ea3ng c\u00e1ch \u0111\u00e3 bi\u1ebft (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c t\u00f2a nh\u00e0, ng\u1ecdn n\u00fai ho\u1eb7c c\u00e1c \u0111\u1ecba danh). Sau \u0111\u00f3, ng\u01b0\u1eddi quan s\u00e1t \u01b0\u1edbc t\u00ednh kho\u1ea3ng c\u00e1ch t\u1ea7m nh\u00ecn hi\u1ec7n t\u1ea1i b\u1eb1ng c\u00e1ch \u0111\u00e1nh gi\u00e1 tr\u1ef1c quan m\u1ee9c \u0111\u1ed9 r\u00f5 r\u00e0ng c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y. V\u00ed d\u1ee5, t\u1ea1i m\u1ed9t tr\u1ea1m kh\u00ed t\u01b0\u1ee3ng, c\u00e1c \u0111i\u1ec3m tham chi\u1ebfu \u1edf c\u00e1c kho\u1ea3ng c\u00e1ch kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp s\u1eb5n, v\u00e0 ng\u01b0\u1eddi quan s\u00e1t ghi l\u1ea1i \u0111\u1ecbnh k\u1ef3 kho\u1ea3ng c\u00e1ch \u0111\u1ebfn \u201c\u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c \u1edf xa nh\u1ea5t\u201d. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01a1n gi\u1ea3n v\u00e0 chi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, nh\u01b0ng d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 kinh nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi quan s\u00e1t, s\u1ef1 thay \u0111\u1ed5i v\u1ec1 th\u1ecb l\u1ef1c, c\u0169ng nh\u01b0 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng v\u00e0 th\u1eddi ti\u1ebft, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u1eef li\u1ec7u k\u00e9m.<\/p>\n\n\n\n

    2. Ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng d\u1ef1a tr\u00ean thi\u1ebft b\u1ecb<\/strong><\/strong><\/h3>\n\n\n\n

    C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng d\u1ef1a tr\u00ean thi\u1ebft b\u1ecb ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng c\u00e1c c\u1ea3m bi\u1ebfn t\u1ea7m nh\u00ecn chuy\u00ean d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n gi\u00e1m s\u00e1t t\u1ef1 \u0111\u1ed9ng. C\u00e1c nguy\u00ean l\u00fd ph\u1ed5 bi\u1ebfn bao g\u1ed3m ph\u01b0\u01a1ng ph\u00e1p t\u00e1n x\u1ea1 ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n qua: c\u1ea3m bi\u1ebfn ph\u00e1t ra ngu\u1ed3n s\u00e1ng (th\u01b0\u1eddng l\u00e0 h\u1ed3ng ngo\u1ea1i ho\u1eb7c laser), ph\u00e1t hi\u1ec7n m\u1ee9c \u0111\u1ed9 t\u00e1n x\u1ea1 ho\u1eb7c suy gi\u1ea3m \u00e1nh s\u00e1ng do c\u00e1c h\u1ea1t trong kh\u00f4ng kh\u00ed g\u00e2y ra, v\u00e0 s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n \u0111\u1ec3 t\u00ednh to\u00e1n t\u1ea7m nh\u00ecn quang h\u1ecdc kh\u00ed t\u01b0\u1ee3ng (MOR). Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p gi\u00e1m s\u00e1t li\u00ean t\u1ee5c trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft, cung c\u1ea5p d\u1eef li\u1ec7u kh\u00e1ch quan v\u00e0 ch\u00ednh x\u00e1c h\u01a1n, v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c t\u00ecnh hu\u1ed1ng nh\u01b0 s\u00e2n bay, \u0111\u01b0\u1eddng cao t\u1ed1c, c\u1ea3ng bi\u1ec3n v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

    C\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n v\u1eadt c\u1ea3n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/strong><\/h2>\n\n\n\n

    C\u1ea3m bi\u1ebfn t\u1ea7m nh\u00ecn x\u00e1c \u0111\u1ecbnh t\u1ea7m nh\u00ecn trong kh\u00ed quy\u1ec3n b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u00e1ch c\u00e1c h\u1ea1t l\u01a1 l\u1eedng trong kh\u00f4ng kh\u00ed \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh truy\u1ec1n ho\u1eb7c t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng.<\/p>\n\n\n\n

      \n
    • Ph\u00e1t s\u00e1ng<\/strong>
      C\u1ea3m bi\u1ebfn ph\u00e1t ra m\u1ed9t ch\u00f9m \u00e1nh s\u00e1ng \u1ed5n \u0111\u1ecbnh, th\u01b0\u1eddng s\u1eed d\u1ee5ng ngu\u1ed3n LED ho\u1eb7c laser, v\u00e0o kh\u00f4ng kh\u00ed xung quanh.<\/li>\n\n\n\n
    • T\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c h\u1ea1t<\/strong>
      C\u00e1c h\u1ea1t l\u01a1 l\u1eedng nh\u01b0 s\u01b0\u01a1ng m\u00f9, b\u1ee5i, kh\u00f3i ho\u1eb7c s\u01b0\u01a1ng m\u00f9 m\u1edd l\u00e0m t\u00e1n x\u1ea1 v\u00e0 h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng ph\u00e1t ra.<\/li>\n\n\n\n
    • Ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u<\/strong>
      M\u1ed9t c\u1ea3m bi\u1ebfn quang h\u1ecdc \u0111o c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng t\u00e1n x\u1ea1 (ph\u01b0\u01a1ng ph\u00e1p t\u00e1n x\u1ea1 tr\u1ef1c ti\u1ebfp) ho\u1eb7c s\u1ef1 suy gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng truy\u1ec1n qua (ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 truy\u1ec1n qua).<\/li>\n\n\n\n
    • X\u1eed l\u00fd d\u1eef li\u1ec7u<\/strong>
      H\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u quang h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n th\u00e0nh d\u1eef li\u1ec7u \u0111i\u1ec7n v\u00e0 \u00e1p d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n \u0111\u1ec3 t\u00ednh to\u00e1n h\u1ec7 s\u1ed1 suy gi\u1ea3m trong kh\u00ed quy\u1ec3n.<\/li>\n\n\n\n
    • T\u00ednh to\u00e1n \u0111\u1ed9 hi\u1ec3n th\u1ecb<\/strong>
      D\u1ef1a tr\u00ean c\u00e1c m\u00f4 h\u00ecnh ti\u00eau chu\u1ea9n (v\u00ed d\u1ee5: \u0111\u1ecbnh lu\u1eadt Koschmieder), c\u1ea3m bi\u1ebfn s\u1ebd hi\u1ec3n th\u1ecb Ch\u1ec9 s\u1ed1 t\u1ea7m nh\u00ecn quang h\u1ecdc kh\u00ed t\u01b0\u1ee3ng (MOR), th\u1ec3 hi\u1ec7n kho\u1ea3ng c\u00e1ch t\u1ea7m nh\u00ecn hi\u1ec7n t\u1ea1i.<\/li>\n<\/ul>\n\n\n\n

      C\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u1ea1i Yantai<\/h2>\n\n\n\n

      \u0110\u1ec3 gi\u00fap qu\u00fd v\u1ecb hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c c\u1ea3m bi\u1ebfn quan s\u00e1t th\u00f4ng minh c\u1ee7a ch\u00fang t\u00f4i, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh v\u1ec1 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t \u0111\u01b0\u1eddng cao t\u1ed1c th\u00f4ng minh c\u1ee7a ch\u00fang t\u00f4i:<\/p>\n\n\n