{"id":3525,"date":"2025-03-01T22:28:33","date_gmt":"2025-03-01T15:28:33","guid":{"rendered":"https:\/\/antoanhanghai.com\/?p=3525"},"modified":"2025-03-11T22:36:10","modified_gmt":"2025-03-11T15:36:10","slug":"sounder","status":"publish","type":"post","link":"https:\/\/antoanhanghai.com\/en\/sounder\/","title":{"rendered":"{Edu} Sounder tr\u00ean t\u00e0u th\u1ee7y l\u00e0 g\u00ec?"},"content":{"rendered":"<p><strong data-spm-anchor-id=\"5aebb161.2ef5001f.0.i59.14b05171nGzw27\">Sounder <\/strong>(c\u00f2n g\u1ecdi l\u00e0 <strong>m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u <\/strong>) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o <strong>\u0111\u1ed9 s\u00e2u c\u1ee7a n\u01b0\u1edbc <\/strong>d\u01b0\u1edbi \u0111\u00e1y t\u00e0u. Thi\u1ebft b\u1ecb n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd ph\u00e1t v\u00e0 thu s\u00f3ng \u00e2m (si\u00eau \u00e2m) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch t\u1eeb t\u00e0u \u0111\u1ebfn \u0111\u00e1y bi\u1ec3n, h\u1ed3 ho\u1eb7c s\u00f4ng. Sounder l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong h\u00e0ng h\u1ea3i, gi\u00fap thuy\u1ec1n tr\u01b0\u1edfng v\u00e0 th\u1ee7y th\u1ee7 \u0111o\u00e0n n\u1eafm b\u1eaft th\u00f4ng tin v\u1ec1 \u0111\u1ecba h\u00ecnh \u0111\u00e1y bi\u1ec3n v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho t\u00e0u.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-3526 aligncenter\" src=\"https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/NSR.png\" alt=\"\" width=\"331\" height=\"302\" srcset=\"https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/NSR.png 331w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/NSR-13x12.png 13w\" sizes=\"(max-width: 331px) 100vw, 331px\" \/><img decoding=\"async\" class=\"size-medium wp-image-3527 aligncenter\" src=\"https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display-400x400.webp\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display-400x400.webp 400w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display-280x280.webp 280w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display-768x768.webp 768w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display-12x12.webp 12w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display-510x510.webp 510w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display-100x100.webp 100w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/chanpinzhutu-yingwen-DS2008-Display.webp 800w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/> <img decoding=\"async\" class=\"size-medium wp-image-3528 aligncenter\" src=\"https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/Scheme-567x400.jpg\" alt=\"\" width=\"567\" height=\"400\" srcset=\"https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/Scheme-567x400.jpg 567w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/Scheme-18x12.jpg 18w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/Scheme-510x360.jpg 510w, https:\/\/antoanhanghai.com\/wp-content\/uploads\/2025\/03\/Scheme.jpg 746w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/p>\n<h3><strong data-spm-anchor-id=\"5aebb161.2ef5001f.0.i60.14b05171nGzw27\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Ph\u00e1t s\u00f3ng \u00e2m:<\/strong>\n<ul>\n<li><strong>M\u00e1y \u0111o \u0111\u1ed9 s\u00e2u<\/strong> ph\u00e1t ra m\u1ed9t xung s\u00f3ng \u00e2m (th\u01b0\u1eddng \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m, v\u00ed d\u1ee5 50 kHz ho\u1eb7c 200 kHz) xu\u1ed1ng d\u01b0\u1edbi m\u1eb7t n\u01b0\u1edbc.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Thu s\u00f3ng ph\u1ea3n x\u1ea1:<\/strong>\n<ul>\n<li>Khi s\u00f3ng \u00e2m ch\u1ea1m v\u00e0o \u0111\u00e1y bi\u1ec3n ho\u1eb7c c\u00e1c v\u1eadt th\u1ec3 d\u01b0\u1edbi n\u01b0\u1edbc, n\u00f3 s\u1ebd ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c c\u1ea3m bi\u1ebfn c\u1ee7a <strong>m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u<\/strong>r thu nh\u1eadn.<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u00ednh to\u00e1n \u0111\u1ed9 s\u00e2u:<\/strong>\n<ul>\n<li>D\u1ef1a tr\u00ean th\u1eddi gian m\u00e0 s\u00f3ng \u00e2m m\u1ea5t \u0111\u1ec3 \u0111i t\u1eeb t\u00e0u xu\u1ed1ng \u0111\u00e1y bi\u1ec3n v\u00e0 quay tr\u1edf l\u1ea1i, sounder t\u00ednh to\u00e1n \u0111\u1ed9 s\u00e2u b\u1eb1ng c\u00f4ng th\u1ee9c:<span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord text\"><span class=\"mord latin_fallback\">\u0110<\/span><span class=\"mord\">\u1ed9\u00a0s<\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"mord\">a<\/span><span class=\"accent-body\"><span class=\"mord\">\u02c6<\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\">u<\/span><\/span><span class=\"mrel\">=<\/span><\/span><span class=\"base\"><span class=\"mord\"><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"mord text\">T<span class=\"mord accent\"><span class=\"vlist-t\">o<span class=\"accent-body\">\u02c6<\/span><span class=\"accent-body\">\u02ca<\/span><\/span><\/span>c\u00a0<span class=\"mord latin_fallback\">\u0111<\/span>\u1ed9\u00a0<span class=\"mord accent\"><span class=\"vlist-t\">a<span class=\"accent-body\">\u02c6<\/span><\/span><\/span>m\u00a0thanh\u00a0trong\u00a0n<span class=\"mord latin_fallback\">\u01b0<\/span>\u1edbc<\/span><span class=\"mbin\">\u00d7<\/span><span class=\"mord text\">Th\u1eddi gian di chuy\u1ec3n\/2<\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<li>T\u1ed1c \u0111\u1ed9 \u00e2m thanh trong n\u01b0\u1edbc th\u01b0\u1eddng v\u00e0o kho\u1ea3ng <strong>1.500 m\/s <\/strong>, nh\u01b0ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 m\u1eb7n v\u00e0 \u00e1p su\u1ea5t n\u01b0\u1edbc.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong data-spm-anchor-id=\"5aebb161.2ef5001f.0.i61.14b05171nGzw27\">\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u tr\u00ean t\u00e0u th\u1ee7y:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>\u0110o \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc:<\/strong>\n<ul>\n<li>Cung c\u1ea5p th\u00f4ng tin ch\u00ednh x\u00e1c v\u1ec1 \u0111\u1ed9 s\u00e2u d\u01b0\u1edbi \u0111\u00e1y t\u00e0u, gi\u00fap tr\u00e1nh va ch\u1ea1m v\u1edbi \u0111\u00e1 ng\u1ea7m, b\u00e3i c\u1ea1n ho\u1eb7c c\u00e1c ch\u01b0\u1edbng ng\u1ea1i v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc.<\/li>\n<\/ul>\n<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 \u0111i\u1ec1u h\u01b0\u1edbng:<\/strong>\n<ul>\n<li>Gi\u00fap thuy\u1ec1n tr\u01b0\u1edfng l\u1ef1a ch\u1ecdn l\u1ed9 tr\u00ecnh an to\u00e0n, \u0111\u1eb7c bi\u1ec7t khi t\u00e0u di chuy\u1ec3n trong v\u00f9ng n\u01b0\u1edbc n\u00f4ng ho\u1eb7c g\u1ea7n b\u1edd.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Kh\u1ea3o s\u00e1t \u0111\u00e1y bi\u1ec3n:<\/strong>\n<ul>\n<li>M\u1ed9t s\u1ed1 sounder hi\u1ec7n \u0111\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra b\u1ea3n \u0111\u1ed3 chi ti\u1ebft v\u1ec1 \u0111\u1ecba h\u00ecnh \u0111\u00e1y bi\u1ec3n, h\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u khoa h\u1ecdc ho\u1eb7c t\u00ecm ki\u1ebfm t\u00e0i nguy\u00ean.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ph\u00e1t hi\u1ec7n c\u00e1:<\/strong>\n<ul>\n<li>Tr\u00ean c\u00e1c t\u00e0u \u0111\u00e1nh c\u00e1, <strong>m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u<\/strong> (ho\u1eb7c m\u00e1y d\u00f2 c\u00e1 &#8211; fishfinder) c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u00e0n c\u00e1 d\u01b0\u1edbi n\u01b0\u1edbc nh\u1edd kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n s\u1ef1 ph\u1ea3n x\u1ea1 s\u00f3ng \u00e2m t\u1eeb c\u00e1c v\u1eadt th\u1ec3 s\u1ed1ng.<\/li>\n<\/ul>\n<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 neo \u0111\u1eadu:<\/strong>\n<ul>\n<li>Khi t\u00e0u th\u1ea3 neo, <strong>m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u<\/strong> gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o neo \u0111\u01b0\u1ee3c th\u1ea3 \u0111\u1ee7 s\u00e2u v\u00e0 an to\u00e0n.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong data-spm-anchor-id=\"5aebb161.2ef5001f.0.i62.14b05171nGzw27\">C\u00e1c lo\u1ea1i m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u ph\u1ed5 bi\u1ebfn:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Echo Sounder (M\u00e1y \u0111o \u0111\u1ed9 s\u00e2u h\u1ed3i \u00e2m):<\/strong>\n<ul>\n<li>L\u00e0 lo\u1ea1i sounder ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean t\u00e0u th\u1ee7y, chuy\u00ean d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc.<\/li>\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u01b0\u1eddng v\u00e0 hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 tr\u00ean m\u00e0n h\u00ecnh.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Fish Finder (M\u00e1y d\u00f2 c\u00e1):<\/strong>\n<ul>\n<li>L\u00e0 m\u1ed9t d\u1ea1ng sounder chuy\u00ean d\u1ee5ng, kh\u00f4ng ch\u1ec9 \u0111o \u0111\u1ed9 s\u00e2u m\u00e0 c\u00f2n ph\u00e1t hi\u1ec7n c\u00e1 v\u00e0 c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Multibeam Echo Sounder:<\/strong>\n<ul>\n<li>S\u1eed d\u1ee5ng nhi\u1ec1u ch\u00f9m s\u00f3ng \u00e2m \u0111\u1ec3 t\u1ea1o ra b\u1ea3n \u0111\u1ed3 3D chi ti\u1ebft v\u1ec1 \u0111\u00e1y bi\u1ec3n.<\/li>\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong kh\u1ea3o s\u00e1t h\u00e0ng h\u1ea3i v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong data-spm-anchor-id=\"5aebb161.2ef5001f.0.i63.14b05171nGzw27\">\u01afu \u0111i\u1ec3m c\u1ee7a sounder:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c cao:<\/strong>\n<ul>\n<li>Sounder cung c\u1ea5p th\u00f4ng tin \u0111\u1ed9 s\u00e2u nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c, ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft x\u1ea5u.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c:<\/strong>\n<ul>\n<li>Thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong su\u1ed1t h\u00e0nh tr\u00ecnh, cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c.<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u00edch h\u1ee3p d\u1ec5 d\u00e0ng:<\/strong>\n<ul>\n<li>Sounder th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nh\u01b0 radar, GPS ho\u1eb7c ECDIS (Electronic Chart Display and Information System).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong data-spm-anchor-id=\"5aebb161.2ef5001f.0.i64.14b05171nGzw27\">H\u1ea1n ch\u1ebf c\u1ee7a m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>\u1ea2nh h\u01b0\u1edfng b\u1edfi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng:<\/strong>\n<ul>\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a sounder c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 m\u1eb7n v\u00e0 \u00e1p su\u1ea5t n\u01b0\u1edbc.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 ch\u01b0\u1edbng ng\u1ea1i v\u1eadt:<\/strong>\n<ul>\n<li>M\u1ed9t s\u1ed1 v\u1eadt th\u1ec3 nh\u1ecf ho\u1eb7c n\u1eb1m ngo\u00e0i ph\u1ea1m vi ph\u00e1t s\u00f3ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Chi ph\u00ed cao:<\/strong>\n<ul>\n<li>C\u00e1c <strong>m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u<\/strong>hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 multibeam echo sounder, c\u00f3 gi\u00e1 th\u00e0nh cao v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>M\u00e1y \u0111o \u0111\u1ed9 s\u00e2u<\/strong> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng tr\u00ean t\u00e0u th\u1ee7y, gi\u00fap \u0111o \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc v\u00e0 cung c\u1ea5p th\u00f4ng tin v\u1ec1 \u0111\u1ecba h\u00ecnh \u0111\u00e1y bi\u1ec3n. N\u00f3 \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o an to\u00e0n h\u00e0ng h\u1ea3i, h\u1ed7 tr\u1ee3 \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nh\u01b0 \u0111\u00e1nh b\u1eaft c\u00e1 ho\u1eb7c kh\u1ea3o s\u00e1t \u0111\u00e1y bi\u1ec3n.<\/p>\n<h4>Hi v\u1ecdng b\u00e0i vi\u1ebft s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u th\u00eam v\u1ec1 <strong>Sounder<\/strong>, n\u1ebfu b\u1ea1n c\u1ea7n th\u00eam th\u00f4ng tin h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i 097 800 1968 ( \u0110T\/ZALO)<\/h4>\n<p>&nbsp;<\/p>\n<div>LINK<\/div>\n<div>\n<div><a href=\"https:\/\/www.dnv.com\/maritime\/ship-classification\/\" target=\"_blank\" rel=\"noopener\">DNV<\/a><\/div>\n<div><a href=\"https:\/\/ww2.eagle.org\/en.html\" target=\"_blank\" rel=\"noopener\">ABS<\/a><\/div>\n<div><a href=\"https:\/\/www.classnk.or.jp\/hp\/en\/index.html\" target=\"_blank\" rel=\"noopener\">NK<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/tieu-chuan-cho-phan-xa-radar-msc-510105\/\" target=\"_blank\" rel=\"noopener\">CCS<\/a><\/div>\n<div><a href=\"http:\/\/www.vr.org.vn\/\" target=\"_blank\" rel=\"noopener\">VR<\/a><\/div>\n<div><a href=\"https:\/\/antoanhanghai.com\/en\/product\/may-do-sau-tau-bien\/\">Link S\u1ea3n ph\u1ea9m m\u00e1y \u0111o s\u00e2u :\u00a0<\/a><\/div>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Sounder (c\u00f2n g\u1ecdi l\u00e0 m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u ) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 s\u00e2u c\u1ee7a n\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e1y t\u00e0u. Thi\u1ebft b\u1ecb n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd ph\u00e1t v\u00e0 thu s\u00f3ng \u00e2m (si\u00eau \u00e2m) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch t\u1eeb t\u00e0u \u0111\u1ebfn \u0111\u00e1y bi\u1ec3n, h\u1ed3 ho\u1eb7c s\u00f4ng. Sounder l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong h\u00e0ng h\u1ea3i, gi\u00fap thuy\u1ec1n tr\u01b0\u1edfng v\u00e0 th\u1ee7y th\u1ee7 \u0111o\u00e0n n\u1eafm b\u1eaft th\u00f4ng tin v\u1ec1 \u0111\u1ecba h\u00ecnh \u0111\u00e1y bi\u1ec3n v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho t\u00e0u. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng: Ph\u00e1t s\u00f3ng \u00e2m: M\u00e1y \u0111o \u0111\u1ed9 s\u00e2u ph\u00e1t ra m\u1ed9t xung s\u00f3ng \u00e2m (th\u01b0\u1eddng \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m, v\u00ed d\u1ee5 50 kHz ho\u1eb7c 200 kHz) xu\u1ed1ng d\u01b0\u1edbi m\u1eb7t n\u01b0\u1edbc. Thu s\u00f3ng ph\u1ea3n x\u1ea1: Khi s\u00f3ng \u00e2m ch\u1ea1m v\u00e0o \u0111\u00e1y bi\u1ec3n ho\u1eb7c c\u00e1c v\u1eadt th\u1ec3 d\u01b0\u1edbi n\u01b0\u1edbc, n\u00f3 s\u1ebd ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c c\u1ea3m bi\u1ebfn c\u1ee7a m\u00e1y \u0111o \u0111\u1ed9 s\u00e2ur thu nh\u1eadn. T\u00ednh to\u00e1n \u0111\u1ed9 s\u00e2u: D\u1ef1a tr\u00ean th\u1eddi gian m\u00e0 s\u00f3ng \u00e2m m\u1ea5t \u0111\u1ec3 \u0111i t\u1eeb t\u00e0u xu\u1ed1ng \u0111\u00e1y bi\u1ec3n v\u00e0 quay tr\u1edf l\u1ea1i, sounder t\u00ednh to\u00e1n \u0111\u1ed9 s\u00e2u b\u1eb1ng c\u00f4ng th\u1ee9c:\u0110\u1ed9\u00a0sa\u02c6u=To\u02c6\u02cac\u00a0\u0111\u1ed9\u00a0a\u02c6m\u00a0thanh\u00a0trong\u00a0n\u01b0\u1edbc\u00d7Th\u1eddi gian di chuy\u1ec3n\/2\u200b T\u1ed1c \u0111\u1ed9 \u00e2m thanh trong n\u01b0\u1edbc th\u01b0\u1eddng v\u00e0o kho\u1ea3ng 1.500 m\/s , nh\u01b0ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 m\u1eb7n v\u00e0 \u00e1p su\u1ea5t n\u01b0\u1edbc. \u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u tr\u00ean t\u00e0u th\u1ee7y: \u0110o \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc: Cung c\u1ea5p th\u00f4ng tin ch\u00ednh x\u00e1c v\u1ec1 \u0111\u1ed9 s\u00e2u d\u01b0\u1edbi \u0111\u00e1y t\u00e0u, gi\u00fap tr\u00e1nh va ch\u1ea1m v\u1edbi \u0111\u00e1 ng\u1ea7m, b\u00e3i c\u1ea1n ho\u1eb7c c\u00e1c ch\u01b0\u1edbng ng\u1ea1i v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc. H\u1ed7 tr\u1ee3 \u0111i\u1ec1u h\u01b0\u1edbng: Gi\u00fap thuy\u1ec1n tr\u01b0\u1edfng l\u1ef1a ch\u1ecdn l\u1ed9 tr\u00ecnh an to\u00e0n, \u0111\u1eb7c bi\u1ec7t khi t\u00e0u di chuy\u1ec3n trong v\u00f9ng n\u01b0\u1edbc n\u00f4ng ho\u1eb7c g\u1ea7n b\u1edd. Kh\u1ea3o s\u00e1t \u0111\u00e1y bi\u1ec3n: M\u1ed9t s\u1ed1 sounder hi\u1ec7n \u0111\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra b\u1ea3n \u0111\u1ed3 chi ti\u1ebft v\u1ec1 \u0111\u1ecba h\u00ecnh \u0111\u00e1y bi\u1ec3n, h\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u khoa h\u1ecdc ho\u1eb7c t\u00ecm ki\u1ebfm t\u00e0i nguy\u00ean. Ph\u00e1t hi\u1ec7n c\u00e1: Tr\u00ean c\u00e1c t\u00e0u \u0111\u00e1nh c\u00e1, m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u (ho\u1eb7c m\u00e1y d\u00f2 c\u00e1 &#8211; fishfinder) c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u00e0n c\u00e1 d\u01b0\u1edbi n\u01b0\u1edbc nh\u1edd kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n s\u1ef1 ph\u1ea3n x\u1ea1 s\u00f3ng \u00e2m t\u1eeb c\u00e1c v\u1eadt th\u1ec3 s\u1ed1ng. H\u1ed7 tr\u1ee3 neo \u0111\u1eadu: Khi t\u00e0u th\u1ea3 neo, m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o neo \u0111\u01b0\u1ee3c th\u1ea3 \u0111\u1ee7 s\u00e2u v\u00e0 an to\u00e0n. C\u00e1c lo\u1ea1i m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u ph\u1ed5 bi\u1ebfn: Echo Sounder (M\u00e1y \u0111o \u0111\u1ed9 s\u00e2u h\u1ed3i \u00e2m): L\u00e0 lo\u1ea1i sounder ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean t\u00e0u th\u1ee7y, chuy\u00ean d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u01b0\u1eddng v\u00e0 hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 tr\u00ean m\u00e0n h\u00ecnh. Fish Finder (M\u00e1y d\u00f2 c\u00e1): L\u00e0 m\u1ed9t d\u1ea1ng sounder chuy\u00ean d\u1ee5ng, kh\u00f4ng ch\u1ec9 \u0111o \u0111\u1ed9 s\u00e2u m\u00e0 c\u00f2n ph\u00e1t hi\u1ec7n c\u00e1 v\u00e0 c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc. Multibeam Echo Sounder: S\u1eed d\u1ee5ng nhi\u1ec1u ch\u00f9m s\u00f3ng \u00e2m \u0111\u1ec3 t\u1ea1o ra b\u1ea3n \u0111\u1ed3 3D chi ti\u1ebft v\u1ec1 \u0111\u00e1y bi\u1ec3n. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong kh\u1ea3o s\u00e1t h\u00e0ng h\u1ea3i v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc \u01afu \u0111i\u1ec3m c\u1ee7a sounder: \u0110\u1ed9 ch\u00ednh x\u00e1c cao: Sounder cung c\u1ea5p th\u00f4ng tin \u0111\u1ed9 s\u00e2u nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c, ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft x\u1ea5u. Ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c: Thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong su\u1ed1t h\u00e0nh tr\u00ecnh, cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c. T\u00edch h\u1ee3p d\u1ec5 d\u00e0ng: Sounder th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nh\u01b0 radar, GPS ho\u1eb7c ECDIS (Electronic Chart Display and Information System). H\u1ea1n ch\u1ebf c\u1ee7a m\u00e1y \u0111o \u0111\u1ed9 s\u00e2u: \u1ea2nh h\u01b0\u1edfng b\u1edfi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng: \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a sounder c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 m\u1eb7n v\u00e0 \u00e1p su\u1ea5t n\u01b0\u1edbc. Kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 ch\u01b0\u1edbng ng\u1ea1i v\u1eadt: M\u1ed9t s\u1ed1 v\u1eadt th\u1ec3 nh\u1ecf ho\u1eb7c n\u1eb1m ngo\u00e0i ph\u1ea1m vi ph\u00e1t s\u00f3ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n. Chi ph\u00ed cao: C\u00e1c m\u00e1y \u0111o \u0111\u1ed9 s\u00e2uhi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 multibeam echo sounder, c\u00f3 gi\u00e1 th\u00e0nh cao v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p. M\u00e1y \u0111o \u0111\u1ed9 s\u00e2u l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng tr\u00ean t\u00e0u th\u1ee7y, gi\u00fap \u0111o \u0111\u1ed9 s\u00e2u n\u01b0\u1edbc v\u00e0 cung c\u1ea5p th\u00f4ng tin v\u1ec1 \u0111\u1ecba h\u00ecnh \u0111\u00e1y bi\u1ec3n. N\u00f3 \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o an to\u00e0n h\u00e0ng h\u1ea3i, h\u1ed7 tr\u1ee3 \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nh\u01b0 \u0111\u00e1nh b\u1eaft c\u00e1 ho\u1eb7c kh\u1ea3o s\u00e1t \u0111\u00e1y bi\u1ec3n. Hi v\u1ecdng b\u00e0i vi\u1ebft s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u th\u00eam v\u1ec1 Sounder, n\u1ebfu b\u1ea1n c\u1ea7n th\u00eam th\u00f4ng tin h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i 097 800 1968 ( \u0110T\/ZALO) &nbsp; LINK DNV ABS NK CCS VR Link S\u1ea3n ph\u1ea9m m\u00e1y \u0111o s\u00e2u :\u00a0 &nbsp;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158],"tags":[],"class_list":["post-3525","post","type-post","status-publish","format-standard","hentry","category-update-news"],"_links":{"self":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/3525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/comments?post=3525"}],"version-history":[{"count":4,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/3525\/revisions"}],"predecessor-version":[{"id":3595,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/3525\/revisions\/3595"}],"wp:attachment":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/media?parent=3525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/categories?post=3525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/tags?post=3525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}