{"id":20038,"date":"2026-09-29T08:47:22","date_gmt":"2026-09-29T01:47:22","guid":{"rendered":"https:\/\/useful.vn\/?p=20038"},"modified":"2026-09-29T08:47:22","modified_gmt":"2026-09-29T01:47:22","slug":"tai-sao-may-bay-bien-mat-khoi-radar-khi-qua-dai-duong","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=20038","title":{"rendered":"T\u1ea1i sao m\u00e1y bay bi\u1ebfn m\u1ea5t kh\u1ecfi radar khi qua \u0111\u1ea1i d\u01b0\u01a1ng"},"content":{"rendered":"
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\nT\u1ea1i sao m\u00e1y bay bi\u1ebfn m\u1ea5t kh\u1ecfi radar khi qua \u0111\u1ea1i d\u01b0\u01a1ng <\/h1>\n

M\u00e1y bay l\u01b0\u1edbt tr\u00ean \u0111\u1ea1i d\u01b0\u01a1ng c\u00f3 th\u1ec3 bi\u1ebfn m\u1ea5t kh\u1ecfi m\u00e0n h\u00ecnh radar do kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi ph\u1ee7 s\u00f3ng c\u1ee7a tr\u1ea1m radar tr\u00ean \u0111\u1ea5t li\u1ec1n v\u00e0 \u0111\u1ed9 cong c\u1ee7a Tr\u00e1i \u0110\u1ea5t.<\/p>\n

Theo Unilad Tech<\/em>, radar, h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ecbnh v\u1ecb b\u1eb1ng s\u00f3ng v\u00f4 tuy\u1ebfn, \u0111\u01b0\u1ee3c ph\u00e1t minh v\u00e0o n\u0103m 1935 b\u1edfi hai nh\u00e0 ph\u00e1t minh ng\u01b0\u1eddi Anh Robert Watson-Watt v\u00e0 Arnold Wilkins. Nh\u1edd radar, ki\u1ec3m so\u00e1t kh\u00f4ng l\u01b0u c\u00f3 th\u1ec3 theo d\u00f5i v\u1ecb tr\u00ed c\u1ee7a m\u00e1y bay tr\u00ean b\u1ea7u tr\u1eddi. H\u1ec7 th\u1ed1ng n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 tr\u00e1nh va ch\u1ea1m gi\u1eefa c\u00e1c m\u00e1y bay.<\/p>\n

Radar ph\u1ee5 thu\u1ed9c v\u00e0o truy\u1ec1n d\u1eabn theo \u0111\u01b0\u1eddng th\u1eb3ng. \u0110\u1ed9 cong c\u1ee7a Tr\u00e1i \u0110\u1ea5t v\u00e0 c\u00e1c r\u00e0o c\u1ea3n \u0111\u1ecba l\u00fd gi\u1edbi h\u1ea1n t\u1ea7m quan s\u00e1t c\u1ee7a radar. Ph\u1ea7n l\u1edbn chuy\u1ebfn bay qua \u0111\u1ea1i d\u01b0\u01a1ng v\u01b0\u1ee3t ra ngo\u00e0i ph\u1ea1m vi ph\u1ee7 s\u00f3ng c\u1ee7a tr\u1ea1m radar tr\u00ean m\u1eb7t \u0111\u1ea5t (trong v\u00f2ng 240 – 320 km t\u1eeb b\u1edd bi\u1ec3n). Tr\u00e1i \u0110\u1ea5t h\u00ecnh c\u1ea7u n\u00ean s\u00f3ng radar truy\u1ec1n th\u1eb3ng s\u1ebd h\u01b0\u1edbng ra kh\u00f4ng gian, t\u1ea1o ra “\u0111i\u1ec3m m\u00f9” kh\u1ed5ng l\u1ed3 gi\u1eefa l\u00f2ng \u0111\u1ea1i d\u01b0\u01a1ng. Tuy nhi\u00ean, vi\u1ec7c l\u1eafp \u0111\u1eb7t h\u00e0ng tr\u0103m tr\u1ea1m radar tr\u00ean bi\u1ec3n l\u00e0 \u0111i\u1ec1u b\u1ea5t kh\u1ea3 thi v\u00ec kh\u00f4ng c\u00f3 n\u1ec1n \u0111\u1ea5t v\u1eefng ch\u1eafc.<\/p>\n

Ngo\u00e0i ra, \u0111\u1ecba h\u00ecnh cao ho\u1eb7c khu v\u1ef1c kh\u00f4ng ph\u1eadn bi\u1ec7t l\u1eadp c\u00e1ch xa nh\u1eefng tuy\u1ebfn \u0111\u01b0\u1eddng bay nh\u1ed9n nh\u1ecbp, c\u00f3 th\u1ec3 khi\u1ebfn t\u00edn hi\u1ec7u radar b\u1ecb gi\u00e1n \u0111o\u1ea1n ho\u1eb7c t\u1ea1o ra kho\u1ea3ng tr\u1ed1ng trong ph\u1ea1m vi ph\u1ee7 s\u00f3ng. D\u00f9 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t d\u1ef1a tr\u00ean v\u1ec7 tinh c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n ph\u1ea1m vi ph\u1ee7 s\u00f3ng, nh\u1eefng \u0111i\u1ec3m m\u00f9 v\u1eabn t\u1ed3n t\u1ea1i tr\u00ean to\u00e0n c\u1ea7u. T\u00edn hi\u1ec7u radar c\u0169ng c\u00f3 th\u1ec3 b\u1ecb gi\u00e1n \u0111o\u1ea1n b\u1edfi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. V\u00ed d\u1ee5, m\u01b0a l\u1edbn c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1eb7c suy y\u1ebfu t\u00edn hi\u1ec7u radar, d\u1eabn t\u1edbi m\u1ea5t li\u00ean l\u1ea1c t\u1ea1m th\u1eddi.<\/p>\n

Slashgear<\/em> cho bi\u1ebft h\u00e0ng kh\u00f4ng th\u01b0\u01a1ng m\u1ea1i s\u1eed d\u1ee5ng hai lo\u1ea1i h\u1ec7 th\u1ed1ng radar. Radar gi\u00e1m s\u00e1t s\u01a1 c\u1ea5p (PSR) ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1t ra s\u00f3ng v\u00f4 tuy\u1ebfn, sau \u0111\u00f3 thu nh\u1eadn t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i t\u1eeb b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3. PSR c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb v\u1ecb tr\u00ed c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3, nh\u01b0ng kh\u00f4ng th\u1ec3 t\u1ef1 x\u00e1c \u0111\u1ecbnh danh t\u00ednh (t\u00ean chuy\u1ebfn bay) ho\u1eb7c \u0111\u1ed9 cao. Radar gi\u00e1m s\u00e1t th\u1ee9 c\u1ea5p (SSR) g\u1eedi t\u00edn hi\u1ec7u h\u1ecfi v\u00e0 nh\u1eadn m\u00e3 d\u1eef li\u1ec7u ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ph\u00e1t \u0111\u00e1p tr\u00ean m\u00e1y bay, qua \u0111\u00f3 thu th\u1eadp nh\u1eefng th\u00f4ng tin quan tr\u1ecdng bao g\u1ed3m m\u00e3 nh\u1eadn di\u1ec7n chuy\u1ebfn bay, \u0111\u1ed9 cao h\u00e0nh tr\u00ecnh, v\u1eadn t\u1ed1c v\u00e0 h\u01b0\u1edbng. SSR \u0111\u00f3ng vai tr\u00f2 ch\u1ee7 ch\u1ed1t khi m\u00e1y bay bay \u1edf n\u01a1i ph\u1ea1m vi ph\u1ee7 s\u00f3ng radar h\u1ea1n ch\u1ebf.<\/p>\n

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M\u00e1y bay Boeing 777-200ER c\u1ee7a Malaysia Airlines tr\u01b0\u1edbc khi m\u1ea5t t\u00edch b\u00ed \u1ea9n. \u1ea2nh: Wikipedia<\/em><\/p>\n<\/figcaption><\/figure>\n

“N\u1ebfu m\u00e1y ph\u00e1t \u0111\u00e1p b\u1ecb h\u1ecfng ho\u1eb7c c\u00f3 ng\u01b0\u1eddi c\u1ed1 \u00fd t\u1eaft \u0111i, v\u1ec1 c\u01a1 b\u1ea3n SSR s\u1ebd kh\u00f4ng c\u00f2n tr\u00f4ng th\u1ea5y m\u00e1y bay. PSR v\u1eabn c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n m\u00e1y bay d\u01b0\u1edbi d\u1ea1ng m\u1ed9t d\u1ea5u ch\u1ea5m, nh\u01b0ng \u0111\u1ed9 ch\u00ednh x\u00e1c b\u1ecb h\u1ea1n ch\u1ebf, \u0111\u1eb7c bi\u1ec7t \u1edf khu v\u1ef1c xa x\u00f4i ho\u1eb7c \u0111\u1ed9 cao th\u1ea5p”, flightradar24<\/em> d\u1eabn l\u1eddi gi\u00e1o s\u01b0 Igor Petrov, chuy\u00ean gia v\u1ec1 h\u1ec7 th\u1ed1ng h\u00e0ng kh\u00f4ng t\u1ea1i Vi\u1ec7n H\u00e0ng kh\u00f4ng D\u00e2n d\u1ee5ng Moskva.<\/p>\n

M\u1ed9t tr\u01b0\u1eddng h\u1ee3p n\u1ed5i ti\u1ebfng khi ki\u1ec3m so\u00e1t kh\u00f4ng l\u01b0u b\u1ecb m\u1ea5t t\u00edn hi\u1ec7u t\u1eeb SSR l\u00e0 chuy\u1ebfn bay MH370 c\u1ee7a h\u00e3ng h\u00e0ng kh\u00f4ng Malaysia Airlines n\u0103m 2014. Chi\u1ebfc m\u00e1y bay Boeing 777-200ER ch\u1edf 239 ng\u01b0\u1eddi c\u1ea5t c\u00e1nh t\u1eeb Kuala Lumpur, Malaysia \u0111i B\u1eafc Kinh, Trung Qu\u1ed1c bi\u1ebfn m\u1ea5t kh\u1ecfi radar d\u00e2n s\u1ef1. Radar qu\u00e2n s\u1ef1 cho th\u1ea5y m\u00e1y bay \u0111\u00e3 l\u1ec7ch kh\u1ecfi l\u1ed9 tr\u00ecnh, v\u00e0 t\u00edn hi\u1ec7u m\u00e1y ph\u00e1t \u0111\u00e1p c\u0169ng b\u1ecb m\u1ea5t. D\u00f9 nh\u00e0 ch\u1ee9c tr\u00e1ch \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t cu\u1ed9c t\u00ecm ki\u1ebfm quy m\u00f4 l\u1edbn, h\u1ecd kh\u00f4ng ph\u00e1t hi\u1ec7n x\u00e1c m\u00e1y bay d\u00f9 m\u1ed9t s\u1ed1 m\u1ea3nh v\u1ee1 nh\u1ecf \u0111\u01b0\u1ee3c thu th\u1eadp tr\u00ean nhi\u1ec1u \u0111\u1ea3o kh\u00e1c nhau. B\u00e1o c\u00e1o t\u1eeb ch\u00ednh ph\u1ee7 Malaysia lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng h\u1ecfng h\u00f3c c\u01a1 kh\u00ed ho\u1eb7c m\u00e1y t\u00ednh, \u0111\u1ed3ng th\u1eddi ch\u1ec9 ra m\u00e1y ph\u00e1t \u0111\u00e1p b\u1ecb t\u1eaft \u0111i m\u1ed9t c\u00e1ch c\u1ed1 \u00fd.<\/p>\n

An Khang<\/strong>t\u1ed5ng h\u1ee3p<\/em><\/p>\n<\/article>\n

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https:\/\/vnexpress.net\/tai-sao-may-bay-bien-mat-khoi-radar-khi-qua-dai-duong-5114689.html<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u1ea1i sao m\u00e1y bay bi\u1ebfn m\u1ea5t kh\u1ecfi radar khi qua \u0111\u1ea1i d\u01b0\u01a1ng M\u00e1y bay l\u01b0\u1edbt tr\u00ean \u0111\u1ea1i d\u01b0\u01a1ng c\u00f3 th\u1ec3 bi\u1ebfn m\u1ea5t kh\u1ecfi m\u00e0n h\u00ecnh radar do kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi ph\u1ee7 s\u00f3ng c\u1ee7a tr\u1ea1m radar tr\u00ean \u0111\u1ea5t li\u1ec1n v\u00e0 \u0111\u1ed9 cong c\u1ee7a Tr\u00e1i \u0110\u1ea5t. Theo Unilad Tech, radar, h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n<\/p>\n","protected":false},"author":1,"featured_media":20039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-20038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/20038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20038"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/20038\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/20039"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}