V\u1ec7 tinh trinh s\u00e1t l\u00e0 lo\u1ea1i v\u1ec7 tinh thu th\u1eadp th\u00f4ng tin t\u00ecnh h\u00ecnh qu\u00e2n s\u1ef1. N\u00f3 “\u0111\u1ee9ng cao, nh\u00ecn xa”, l\u00e0 “gi\u00e1n \u0111i\u1ec7p” tr\u00ean kh\u00f4ng r\u1ea5t linh ho\u1ea1t. B\u1edfi v\u00ec c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0 di\u1ec7n t\u00edch trinh s\u00e1t r\u1ed9ng, t\u1ed1c \u0111\u1ed9 nhanh, hi\u1ec7u qu\u1ea3 t\u1ed1t c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u1ecbnh k\u1ef3 ho\u1eb7c gi\u00e1m s\u00e1t li\u00ean t\u1ee5c m\u1ed9t khu v\u1ef1c n\u00e0o \u0111\u00f3 kh\u00f4ng b\u1ecb bi\u00ean gi\u1edbi v\u00e0 th\u1eddi ti\u1ebft h\u1ea1n ch\u1ebf, cho n\u00ean th\u1eddi k\u1ef3 chi\u1ebfn tranh l\u1ea1nh n\u00f3 tr\u1edf th\u00e0nh \u0111\u1ee9a “con c\u01b0ng si\u00eau c\u1ea5p” c\u1ee7a qu\u1ed1c gia.<\/p>\n\n\n\n
Trong s\u1ed1 c\u00e1c v\u1ec7 tinh m\u00e0 lo\u00e0i ng\u01b0\u1eddi \u0111\u00e3 ph\u00f3ng l\u00ean, s\u1ed1 v\u1ec7 tinh trinh s\u00e1t chi\u1ebfm \u0111\u1ebfn 1\/3.<\/p>\n\n\n\n
V\u1ec7 tinh trinh s\u00e1t c\u00f3 th\u1ec3 chia l\u00e0m v\u1ec7 tinh trinh s\u00e1t ch\u1ee5p \u1ea3nh, v\u1ec7 tinh trinh s\u00e1t \u0111i\u1ec7n t\u1eed, v\u1ec7 tinh c\u1ea3nh gi\u1edbi t\u00ean l\u1eeda v\u01b0\u1ee3t \u0111\u1ea1i ch\u00e2u v\u00e0 v\u1ec7 tinh gi\u00e1m s\u00e1t m\u1eb7t bi\u1ec3n. V\u1ec7 tinh trinh s\u00e1t ch\u1ee5p \u1ea3nh l\u00e0 lo\u1ea1i v\u1ec7 tinh xu\u1ea5t hi\u1ec7n s\u1edbm nh\u1ea5t, s\u1ed1 l\u01b0\u1ee3ng nhi\u1ec1u nh\u1ea5t, n\u00f3 th\u01b0\u1eddng chuy\u1ec3n \u0111\u1ed9ng \u1edf \u0111\u1ed9 cao t\u1eeb 150 – 1000 km, h\u00e0ng ng\u00e0y bay quanh Tr\u00e1i \u0110\u1ea5t m\u01b0\u1eddi m\u1ea5y v\u00f2ng. N\u00f3 \u0111\u1ea3m nhi\u1ec7m “qu\u00e2n ch\u1ee7 l\u1ef1c” trong nhi\u1ec7m v\u1ee5 trinh s\u00e1t tr\u00ean kh\u00f4ng.<\/p>\n\n\n\n
Vii tinh trinh sat chw imh<\/p>\n\n\n\n
V\u00a2 tinh trinh sat tinh Mo difn tu<\/p>\n\n\n\n
V\u00a2 tinh thong tin q11cin SI!<\/p>\n\n\n\n
Vii tinh dir bao ten Ji,a dqn Jqo<\/p>\n\n\n\n
Vi’! tinh trinh sat rada<\/p>\n\n\n\n
C\u00e1c thi\u1ebft b\u1ecb trinh s\u00e1t v\u1ec7 tinh mang theo c\u00f3 t\u00e1c d\u1ee5ng nh\u01b0 “con m\u1eaft” c\u1ee7a v\u1ec7 tinh, n\u00f3 bao g\u1ed3m m\u00e1y \u1ea3nh ch\u1ee5p nh\u1edd \u00e1nh s\u00e1ng th\u1ea5y \u0111\u01b0\u1ee3c, m\u00e1y \u1ea3nh h\u1ed3ng ngo\u1ea1i, m\u00e1y \u1ea3nh \u0111a quang ph\u1ed5, c\u0169ng nh\u01b0 lo\u1ea1i ra \u0111a c\u00f3 \u0111\u01b0\u1eddng k\u00ednh h\u1ee3p th\u00e0nh m\u1edbi xu\u1ea5t hi\u1ec7n g\u1ea7n \u0111\u00e2y v\u00e0 lo\u1ea1i m\u00e1y \u1ea3nh v\u00f4 tuy\u1ebfn.<\/p>\n\n\n\n
Nh\u1eefng th\u00f4ng tin t\u1eeb v\u1ec7 tinh trinh s\u00e1t ch\u1ee5p \u1ea3nh thu \u0111\u01b0\u1ee3c nh\u01b0 phim, b\u0103ng t\u1eeb, v.v. \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi l\u1ea1i v\u00e0 c\u1ea5t gi\u1eef trong khoang thu h\u1ed3i. Khi v\u1ec7 tinh \u0111i qua n\u01b0\u1edbc \u0111\u00f3 s\u1ebd r\u01a1i xu\u1ed1ng \u0111\u1ec3 thu h\u1ed3i, c\u0169ng c\u00f3 th\u1ec3 th\u00f4ng qua c\u00e1c t\u00edn hi\u1ec7u v\u00f4 tuy\u1ebfn \u0111\u1ec3 \u0111\u1ecbnh k\u1ef3 truy\u1ec1n v\u1ec1. Tr\u1ea1m ti\u1ebfp nh\u1eadn m\u1eb7t \u0111\u1ea5t sau khi nh\u1eadn \u0111\u01b0\u1ee3c, x\u1eed l\u00fd v\u00e0 \u0111\u1ecdc k\u1ebft qu\u1ea3.<\/p>\n\n\n\n
Ngo\u00e0i ra v\u1ec7 tinh trinh s\u00e1t \u0111i\u1ec7n t\u1eed c\u00f2n \u0111\u01b0\u1ee3c l\u1eafp c\u00e1c thi\u1ebft b\u1ecb trinh s\u00e1t \u0111i\u1ec7n t\u1eed d\u00f9ng \u0111\u1ec3 trinh s\u00e1t ra\u0111a \u0111\u1ed1i ph\u01b0\u01a1ng v\u00e0 ph\u00e1t hi\u1ec7n v\u1ecb tr\u00ed c\u0169ng nh\u01b0 \u0111\u1eb7c t\u00ednh c\u00e1c thi\u1ebft b\u1ecb v\u00f4 tuy\u1ebfn kh\u00e1c, nghe tr\u1ed9m tin c\u01a1 m\u1eadt c\u1ee7a \u0111\u1ed1i ph\u01b0\u01a1ng. V\u1ec7 tinh c\u1ea3nh gi\u1edbi t\u00ean l\u1eeda \u0111\u1ea1n \u0111\u1ea1o, d\u00f9ng c\u00e1c thi\u1ebft b\u1ecb quan tr\u1eafc h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i sau \u0111u\u00f4i \u0111\u1ed9ng c\u01a1 t\u00ean l\u1eeda khi m\u1edbi ph\u00f3ng l\u00ean. C\u00f2n v\u1ec7 tinh gi\u00e1m s\u00e1t m\u1eb7t bi\u1ec3n d\u00f9ng ra \u0111a, c\u00e1c m\u00e1y thu v\u00f4 tuy\u1ebfn, m\u00e1y quan tr\u1eafc h\u1ed3ng ngo\u1ea1i v\u00e0 c\u00e1c thi\u1ebft b\u1ecb trinh s\u00e1t kh\u00e1c \u0111\u1ec3 gi\u00e1m s\u00e1t h\u1ea1m \u0111\u1ed9i v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u00e0u ng\u1ea7m tr\u00ean bi\u1ec3n.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: V\u1ec7 tinh nh\u00e2n t\u1ea1o; V\u1ec7 tinh trinh s\u00e1t.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
V\u1ec7 tinh trinh s\u00e1t l\u00e0 lo\u1ea1i v\u1ec7 tinh thu th\u1eadp th\u00f4ng tin t\u00ecnh h\u00ecnh qu\u00e2n s\u1ef1. N\u00f3 “\u0111\u1ee9ng cao, nh\u00ecn xa”, l\u00e0 “gi\u00e1n \u0111i\u1ec7p” tr\u00ean kh\u00f4ng r\u1ea5t linh ho\u1ea1t. B\u1edfi v\u00ec c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0 di\u1ec7n t\u00edch trinh s\u00e1t r\u1ed9ng, t\u1ed1c \u0111\u1ed9 nhanh, hi\u1ec7u qu\u1ea3 t\u1ed1t c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u1ecbnh k\u1ef3 ho\u1eb7c gi\u00e1m […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-7309","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7309"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7309\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}