{"id":8844,"date":"2021-11-21T15:16:58","date_gmt":"2021-11-21T08:16:58","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8844"},"modified":"2021-11-21T16:03:01","modified_gmt":"2021-11-21T09:03:01","slug":"khi-tau-hoa-chay-trong-duong-ham-viec-thu-phat-thong-tin-vo-tuyen-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/khi-tau-hoa-chay-trong-duong-ham-viec-thu-phat-thong-tin-vo-tuyen-nhu-the-nao\/","title":{"rendered":"Khi t\u00e0u ho\u1ea3 ch\u1ea1y trong \u0111\u01b0\u1eddng h\u1ea7m, vi\u1ec7c thu ph\u00e1t th\u00f4ng tin v\u00f4 tuy\u1ebfn nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n

Tr\u01b0\u1edbc kia tr\u00ean t\u00e0u ho\u1ea3 r\u1ea5t kh\u00f3 thu \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u v\u00f4 tuy\u1ebfn \u0111i\u1ec7n, v\u00ec toa t\u00e0u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i, ph\u1ea7n l\u1edbn c\u00e1c s\u00f3ng \u0111i\u1ec7n t\u1eeb trong ph\u1ea1m vi s\u00f3ng trung v\u00e0 s\u00f3ng ng\u1eafn s\u1ebd b\u1ecb ch\u1eb7n l\u1ea1i. C\u00f2n hi\u1ec7n nay, trong qu\u00e1 tr\u00ecnh t\u00e0u ch\u1ea1y kh\u00f4ng nh\u1eefng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u00f4ng tin v\u00f4 tuy\u1ebfn \u1edf nh\u1eefng \u0111o\u1ea1n tr\u1ed1ng tr\u1ea3i, m\u00e0 khi t\u00e0u v\u00e0o v\u00f9ng n\u00fai th\u1eadm ch\u00ed v\u00e0o \u0111\u01b0\u1eddng h\u1ea7m c\u0169ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u00f4ng tin v\u00f4 tuy\u1ebfn gi\u1eefa \u0111o\u00e0n t\u00e0u v\u00e0 nh\u00e0 ga. T\u1ea1i sao v\u1eady?<\/p>\n\n\n\n

Sau n\u00e0y, c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a k\u1ef9 thu\u1eadt truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, c\u00e1c chuy\u00ean gia<\/a> \u0111\u00e3 d\u00f9ng nhi\u1ec1u bi\u1ec7n ph\u00e1p \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng truy\u1ec1n th\u00f4ng c\u1ee7a \u0111\u01b0\u1eddng s\u1eaft. V\u00ed d\u1ee5 ph\u01b0\u01a1ng th\u1ee9c b\u1ee9c x\u1ea1 tr\u1ef1c ti\u1ebfp, n\u00f3 g\u1ed3m c\u00f3 hai b\u1ed9 \u0103ngten t\u0103ng \u00edch l\u1ea7n l\u01b0\u1ee3t h\u01b0\u1edbng v\u00e0o nh\u00e0 ga v\u00e0 \u0111\u01b0\u1eddng h\u1ea7m. Ph\u1ea7n ch\u00ednh c\u1ee7a \u0103ngten c\u00f3 h\u00ecnh \u1ed1ng tr\u00f2n, m\u1ed9t \u0111\u1ea7u c\u00f3 l\u1eafp t\u1ea5m ph\u1ea3n x\u1ea1 h\u00ecnh b\u00e1t gi\u00e1c c\u00f3 th\u1ec3 ph\u00e1t s\u00f3ng c\u1ef1c tr\u00f2n v\u00e0o \u0111\u01b0\u1eddng h\u1ea7m c\u1ee7a \u0111\u01b0\u1eddng s\u1eaft, \u0111\u01b0\u1eddng h\u1ea7m c\u1ee7a \u0111\u01b0\u1eddng b\u1ed9 v\u00e0 h\u1ea7m m\u1ecf, d\u00f9ng hi\u1ec7u \u1ee9ng d\u1eabn s\u00f3ng c\u1ee7a \u0111\u01b0\u1eddng h\u1ea7m \u0111\u1ec3 truy\u1ec1n s\u00f3ng v\u00f4 tuy\u1ebfn. M\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u00e1p r\u00f2 kh\u00e1c v\u1edbi c\u00e1p th\u00f4ng th\u01b0\u1eddng, l\u00e0 c\u1ee9 c\u00e1ch m\u1ed9t kho\u1ea3ng nh\u1ea5t \u0111\u1ecbnh th\u00ec c\u00f3 m\u1ed9t l\u1ed7 h\u1edf, c\u00f3 th\u1ec3 l\u00e0m cho s\u00f3ng \u0111i\u1ec7n t\u1eeb trong d\u00e2y c\u00e1p r\u00f2 ra ngo\u00e0i, chung quanh d\u00e2y c\u00e1p h\u00ecnh th\u00e0nh \u0111i\u1ec7n t\u1eeb tr\u01b0\u1eddng, v\u00ec d\u00e2y c\u00e1p c\u00e1ch trung t\u00e2m \u0111\u01b0\u1eddng s\u1eaft r\u1ea5t g\u1ea7n, \u0111i\u1ec7n \u0111\u00e0i \u1edf \u0111\u1ea7u m\u00e1y r\u1ea5t d\u1ec5 thu \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u s\u00f3ng \u0111i\u1ec7n \u1edf ngo\u00e0i \u0111\u01b0\u1eddng h\u1ea7m.<\/p>\n\n\n\n

Th\u00f4ng tin \u0111\u01b0\u1eddng s\u1eaft c\u00f3 khi c\u00f2n d\u00f9ng ph\u01b0\u01a1ng th\u1ee9c c\u1ea3m \u1ee9ng. B\u1eb1ng c\u00e1ch \u0111\u1eb7t 1-2 d\u00e2y d\u1eabn s\u00f3ng \u1edf hai b\u00ean \u0111\u01b0\u1eddng h\u1ea7m, t\u00edn hi\u1ec7u s\u00f3ng \u0111i\u1ec7n do \u0111i\u1ec7n \u0111\u00e0i \u1edf nh\u00e0 ga ph\u00e1t ra s\u1ebd \u0111i v\u00e0o d\u00e2y c\u1ea3m \u1ee9ng, qua c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb, xung quanh d\u00e2y c\u1ea3m \u1ee9ng h\u00ecnh th\u00e0nh m\u1ed9t tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb, l\u00e0m cho \u0111i\u1ec7n \u0111\u00e0i \u1edf \u0111\u1ea7u m\u00e1y trong \u0111\u01b0\u1eddng h\u1ea7m c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u s\u00f3ng \u0111i\u1ec7n. Ng\u01b0\u1ee3c l\u1ea1i, t\u00edn hi\u1ec7u c\u1ee7a \u0111i\u1ec7n \u0111\u00e0i \u1edf \u0111\u1ea7u m\u00e1y c\u0169ng c\u00f3 th\u1ec3 th\u00f4ng qua d\u00e2y c\u1ea3m \u1ee9ng \u0111\u1ec3 truy\u1ec1n \u0111\u1ebfn \u0111i\u1ec7n \u0111\u00e0i c\u1ee7a nh\u00e0 ga. Ngo\u00e0i ra, c\u00f2n c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng d\u00e2y d\u1eabn m\u1ea1ng ti\u1ebfp x\u00fac c\u1ee7a \u0111\u01b0\u1eddng s\u1eaft \u0111i\u1ec7n kh\u00ed ho\u00e1 l\u00e0m d\u00e2y c\u1ea3m \u1ee9ng, \u0111\u1ec3 ti\u1ebfn h\u00e0nh truy\u1ec1n d\u1eabn th\u00f4ng tin. Tr\u00ean \u0111o\u00e0n t\u00e0u ki\u1ec3u c\u1ea3m \u1ee9ng c\u00f3 l\u1eafp h\u1ec7 th\u1ed1ng c\u1ea3m \u1ee9ng v\u00f4 tuy\u1ebfn \u0111i\u1ec7n, bao g\u1ed3m \u0111i\u1ec7n \u0111\u00e0i c\u1ea3m \u1ee9ng, \u0103ngten, thi\u1ebft b\u1ecb t\u00edn hi\u1ec7u cao t\u1ea7n v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n ti\u1ebfp h\u1eefu tuy\u1ebfn- v\u00f4 tuy\u1ebfn.<\/p>\n\n\n\n

T\u1eeb kho\u00e1: Truy\u1ec1n th\u00f4ng \u0111\u01b0\u1eddng s\u1eaft; T\u00edn hi\u1ec7u v\u00f4 tuy\u1ebfn.<\/p>\n","protected":false},"excerpt":{"rendered":"

Tr\u01b0\u1edbc kia tr\u00ean t\u00e0u ho\u1ea3 r\u1ea5t kh\u00f3 thu \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u v\u00f4 tuy\u1ebfn \u0111i\u1ec7n, v\u00ec toa t\u00e0u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i, ph\u1ea7n l\u1edbn c\u00e1c s\u00f3ng \u0111i\u1ec7n t\u1eeb trong ph\u1ea1m vi s\u00f3ng trung v\u00e0 s\u00f3ng ng\u1eafn s\u1ebd b\u1ecb ch\u1eb7n l\u1ea1i. C\u00f2n hi\u1ec7n nay, trong qu\u00e1 tr\u00ecnh t\u00e0u ch\u1ea1y kh\u00f4ng nh\u1eefng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u00f4ng […]<\/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":[15,16],"tags":[],"class_list":["post-8844","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8844","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=8844"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8844\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}