{"id":4795,"date":"2025-09-16T09:07:46","date_gmt":"2025-09-16T02:07:46","guid":{"rendered":"https:\/\/antoanhanghai.com\/?p=4795"},"modified":"2025-09-16T09:07:46","modified_gmt":"2025-09-16T02:07:46","slug":"chon-do-toc-do-tau-bien","status":"publish","type":"post","link":"https:\/\/antoanhanghai.com\/en\/chon-do-toc-do-tau-bien\/","title":{"rendered":"C\u00e1c Ti\u00eau Ch\u00ed Ch\u1ecdn \u0110o T\u1ed1c \u0110\u1ed9 T\u00e0u Bi\u1ec3n Doppler Speed Log- G\u00f3c nh\u00ecn k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf"},"content":{"rendered":"<p data-start=\"415\" data-end=\"811\">Trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n hi\u1ec7n nay, <strong data-start=\"458\" data-end=\"485\">Doppler Speed Log (DSL)<\/strong> l\u00e0 gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean c\u00e1c t\u00e0u h\u00e0ng, t\u00e0u d\u1ea7u, t\u00e0u c\u00e1 xa b\u1edd v\u00e0 t\u00e0u kh\u00e1ch qu\u1ed1c t\u1ebf. \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng Doppler \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 th\u1eadt c\u1ee7a t\u00e0u so v\u1edbi n\u01b0\u1edbc bi\u1ec3n b\u00ean d\u01b0\u1edbi th\u00e2n t\u00e0u, cho ra k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh, ch\u00ednh x\u00e1c v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed h\u00e0ng h\u1ea3i nh\u01b0 VDR, ECDIS, radar ARPA, autopilot&#8230;<\/p>\n<p data-start=\"813\" data-end=\"1044\">Tuy nhi\u00ean, \u0111\u1ec3 h\u1ec7 th\u1ed1ng DSL ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 b\u1ec1n b\u1ec9, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 6 ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt quan tr\u1ecdng m\u00e0 c\u00e1c k\u1ef9 s\u01b0 h\u00e0ng h\u1ea3i v\u00e0 ch\u1ee7 t\u00e0u c\u1ea7n l\u01b0u \u00fd khi ch\u1ecdn Doppler Speed Log.<\/p>\n<h3 data-start=\"1051\" data-end=\"1103\"><strong data-start=\"1055\" data-end=\"1103\">1. C\u00f4ng ngh\u1ec7 \u0111o Doppler ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh<\/strong><\/h3>\n<p data-start=\"1105\" data-end=\"1283\">DSL ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd Doppler, s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u00e2m thanh ph\u00e1t xu\u1ed1ng n\u01b0\u1edbc \u1edf g\u00f3c nghi\u00eang \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n. M\u1ed9t thi\u1ebft b\u1ecb t\u1ed1t th\u01b0\u1eddng s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 kho\u1ea3ng <strong data-start=\"1263\" data-end=\"1272\">1 MHz<\/strong>, cho ph\u00e9p:<\/p>\n<ul data-start=\"1284\" data-end=\"1395\">\n<li data-start=\"1284\" data-end=\"1316\">\n<p data-start=\"1286\" data-end=\"1316\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i cao (\u00b10.01 knots)<\/p>\n<\/li>\n<li data-start=\"1317\" data-end=\"1355\">\n<p data-start=\"1319\" data-end=\"1355\">\u0110o ch\u00ednh x\u00e1c \u1edf c\u1ea3 t\u1ed1c \u0111\u1ed9 th\u1ea5p v\u00e0 cao<\/p>\n<\/li>\n<li data-start=\"1356\" data-end=\"1395\">\n<p data-start=\"1358\" data-end=\"1395\">\u1ed4n \u0111\u1ecbnh trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n bi\u1ec3n \u0111\u1ed9ng<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1397\" data-end=\"1553\">\ud83d\udca1 <em data-start=\"1400\" data-end=\"1408\">L\u01b0u \u00fd:<\/em> \u01afu ti\u00ean ch\u1ecdn thi\u1ebft b\u1ecb c\u00f3 ch\u1ebf \u0111\u1ed9 \u0111o <strong data-start=\"1444\" data-end=\"1468\">Fore-Aft + Port-Stbd<\/strong>, gi\u00fap \u0111o t\u1ed1c \u0111\u1ed9 to\u00e0n ph\u01b0\u01a1ng 2D, h\u1ed7 tr\u1ee3 autopilot v\u00e0 t\u00edch h\u1ee3p v\u1edbi ECDIS hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h3 data-start=\"1560\" data-end=\"1617\"><strong data-start=\"1564\" data-end=\"1617\">2. H\u1ed7 tr\u1ee3 nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u v\u00e0 giao th\u1ee9c truy\u1ec1n<\/strong><\/h3>\n<p data-start=\"1619\" data-end=\"1682\">\u0110\u1ec3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb DSL v\u1edbi h\u1ec7 th\u1ed1ng tr\u00ean t\u00e0u, thi\u1ebft b\u1ecb c\u1ea7n c\u00f3:<\/p>\n<ul data-start=\"1683\" data-end=\"1853\">\n<li data-start=\"1683\" data-end=\"1730\">\n<p data-start=\"1685\" data-end=\"1730\"><strong data-start=\"1685\" data-end=\"1705\">\u0110\u1ea7u ra NMEA 0183<\/strong> (c\u00e1c c\u00e2u VBW, VLW, VTG\u2026)<\/p>\n<\/li>\n<li data-start=\"1731\" data-end=\"1783\">\n<p data-start=\"1733\" data-end=\"1783\">H\u1ed7 tr\u1ee3 c\u1ed5ng RS-422, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng s\u1ed1 l\u01b0\u1ee3ng output<\/p>\n<\/li>\n<li data-start=\"1784\" data-end=\"1853\">\n<p data-start=\"1786\" data-end=\"1853\">Kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng: Doppler \/ GPS \/ AUTO fallback<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1855\" data-end=\"2018\">Vi\u1ec7c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang <strong data-start=\"1896\" data-end=\"1935\">ch\u1ebf \u0111\u1ed9 GPS khi m\u1ea5t t\u00edn hi\u1ec7u Doppler<\/strong> r\u1ea5t c\u1ea7n thi\u1ebft, \u0111\u1eb7c bi\u1ec7t khi t\u00e0u ho\u1ea1t \u0111\u1ed9ng \u1edf v\u00f9ng n\u01b0\u1edbc c\u1ea1n, n\u01b0\u1edbc l\u1ea1nh ho\u1eb7c \u0111\u00e1y m\u1ec1m.<\/p>\n<h3 data-start=\"2025\" data-end=\"2075\"><strong data-start=\"2029\" data-end=\"2075\">3. Hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng, d\u1ec5 \u0111\u1ecdc c\u1ea3 ng\u00e0y v\u00e0 \u0111\u00eam<\/strong><\/h3>\n<p data-start=\"2077\" data-end=\"2129\">Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m (Display Unit) n\u00ean c\u00f3:<\/p>\n<ul data-start=\"2130\" data-end=\"2354\">\n<li data-start=\"2130\" data-end=\"2161\">\n<p data-start=\"2132\" data-end=\"2161\">M\u00e0n h\u00ecnh m\u00e0u ho\u1eb7c LCD \u22657 inch<\/p>\n<\/li>\n<li data-start=\"2162\" data-end=\"2201\">\n<p data-start=\"2164\" data-end=\"2201\">H\u1ed7 tr\u1ee3 chuy\u1ec3n \u0111\u1ed5i <strong data-start=\"2182\" data-end=\"2201\">Ch\u1ebf \u0111\u1ed9 ng\u00e0y\/\u0111\u00eam<\/strong><\/p>\n<\/li>\n<li data-start=\"2202\" data-end=\"2354\">\n<p data-start=\"2204\" data-end=\"2354\">C\u00f3 giao di\u1ec7n \u0111\u01a1n gi\u1ea3n, tr\u1ef1c quan \u0111\u1ec3 thuy\u1ec1n vi\u00ean thao t\u00e1c nhanh khi c\u1ea7n ki\u1ec3m tra t\u1ed1c \u0111\u1ed9, kho\u1ea3ng c\u00e1ch h\u00e0nh tr\u00ecnh, t\u00edn hi\u1ec7u GPS ho\u1eb7c tr\u1ea1ng th\u00e1i c\u1ea3nh b\u00e1o.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2356\" data-end=\"2493\">N\u00ean ch\u1ecdn thi\u1ebft b\u1ecb c\u00f3 h\u1ed7 tr\u1ee3 hi\u1ec3n th\u1ecb t\u1ed1c \u0111\u1ed9 Fore-Aft \/ Port-Stbd \u0111\u1ed9c l\u1eadp, t\u1ed5ng qu\u00e3ng \u0111\u01b0\u1eddng (Total Distance) v\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng chuy\u1ebfn (Trip).<\/p>\n<h3 data-start=\"2500\" data-end=\"2559\"><strong data-start=\"2504\" data-end=\"2559\">4. Thi\u1ebft k\u1ebf c\u00f4ng nghi\u1ec7p, ph\u00f9 h\u1ee3p \u0111i\u1ec1u ki\u1ec7n h\u00e0ng h\u1ea3i<\/strong><\/h3>\n<p data-start=\"2561\" data-end=\"2668\">C\u00e1c thi\u1ebft b\u1ecb tr\u00ean t\u00e0u bi\u1ec3n ph\u1ea3i ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a rung, \u1ea9m, mu\u1ed1i bi\u1ec3n v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9. DSL c\u1ea7n \u0111\u1ea1t:<\/p>\n<ul data-start=\"2669\" data-end=\"2848\">\n<li data-start=\"2669\" data-end=\"2743\">\n<p data-start=\"2671\" data-end=\"2743\"><strong data-start=\"2671\" data-end=\"2743\">IP23 cho m\u00e0n h\u00ecnh, IP56 cho b\u1ed9 x\u1eed l\u00fd, IP68 cho c\u1ea3m bi\u1ebfn d\u01b0\u1edbi \u0111\u00e1y t\u00e0u<\/strong><\/p>\n<\/li>\n<li data-start=\"2744\" data-end=\"2794\">\n<p data-start=\"2746\" data-end=\"2794\">Ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb theo ti\u00eau chu\u1ea9n <strong data-start=\"2782\" data-end=\"2794\">IEC60945<\/strong><\/p>\n<\/li>\n<li data-start=\"2795\" data-end=\"2848\">\n<p data-start=\"2797\" data-end=\"2848\">\u0110\u1ed9 b\u1ec1n cao, t\u1ed1i thi\u1ec3u 50,000 gi\u1edd ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2850\" data-end=\"2972\">Ngo\u00e0i ra, transducer c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1eafp ch\u00ecm (flush mount), gi\u00fap kh\u00f4ng g\u00e2y c\u1ea3n n\u01b0\u1edbc v\u00e0 tr\u00e1nh va \u0111\u1eadp khi t\u00e0u drydock.<\/p>\n<h3 data-start=\"2979\" data-end=\"3042\"><strong data-start=\"2983\" data-end=\"3042\">5. C\u00e0i \u0111\u1eb7t linh ho\u1ea1t, t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng hi\u1ec7n h\u1eefu<\/strong><\/h3>\n<p data-start=\"3044\" data-end=\"3100\">DSL c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh v\u00e0 hi\u1ec7u chu\u1ea9n sau khi l\u1eafp:<\/p>\n<ul data-start=\"3101\" data-end=\"3279\">\n<li data-start=\"3101\" data-end=\"3142\">\n<p data-start=\"3103\" data-end=\"3142\">\u0110i\u1ec1u ch\u1ec9nh <strong data-start=\"3114\" data-end=\"3142\">Speed Offset, XDR Offset<\/strong><\/p>\n<\/li>\n<li data-start=\"3143\" data-end=\"3208\">\n<p data-start=\"3145\" data-end=\"3208\">Ch\u1ecdn <strong data-start=\"3150\" data-end=\"3165\">Track Depth<\/strong> ph\u00f9 h\u1ee3p t\u1eebng lo\u1ea1i t\u00e0u (container, tanker\u2026)<\/p>\n<\/li>\n<li data-start=\"3209\" data-end=\"3279\">\n<p data-start=\"3211\" data-end=\"3279\">C\u00f3 <strong data-start=\"3214\" data-end=\"3237\">menu k\u1ef9 thu\u1eadt ri\u00eang<\/strong> \u0111\u1ec3 k\u1ef9 s\u01b0 v\u1eadn h\u00e0nh c\u00e0i \u0111\u1eb7t sau khi h\u1ea1 th\u1ee7y<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3281\" data-end=\"3409\">Vi\u1ec7c thi\u1ebft b\u1ecb cho ph\u00e9p c\u1ea5u h\u00ecnh linh ho\u1ea1t s\u1ebd gi\u00fap \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u t\u1ed1t v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e3 c\u00f3 tr\u00ean t\u00e0u nh\u01b0 VDR, BNWAS, autopilot\u2026<\/p>\n<h3 data-start=\"3416\" data-end=\"3464\"><strong data-start=\"3420\" data-end=\"3464\">6. H\u1ed7 tr\u1ee3 ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec thu\u1eadn ti\u1ec7n<\/strong><\/h3>\n<p data-start=\"3466\" data-end=\"3560\">M\u1ed9t thi\u1ebft b\u1ecb t\u1ed1t kh\u00f4ng ch\u1ec9 \u1edf kh\u1ea3 n\u0103ng \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n, m\u00e0 c\u00f2n \u1edf kh\u1ea3 n\u0103ng <strong data-start=\"3526\" data-end=\"3559\">gi\u00e1m s\u00e1t, ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec<\/strong>:<\/p>\n<ul data-start=\"3562\" data-end=\"3772\">\n<li data-start=\"3562\" data-end=\"3638\">\n<p data-start=\"3564\" data-end=\"3638\">C\u00f3 ch\u1ebf \u0111\u1ed9 <strong data-start=\"3574\" data-end=\"3583\">DEBUG<\/strong> \u0111\u1ec3 gi\u1ea3 l\u1eadp t\u00edn hi\u1ec7u \u2013 h\u1ed7 tr\u1ee3 test khi t\u00e0u \u0111ang n\u1eb1m b\u1edd.<\/p>\n<\/li>\n<li data-start=\"3639\" data-end=\"3689\">\n<p data-start=\"3641\" data-end=\"3689\">C\u00f3 relay c\u1ea3nh b\u00e1o m\u1ea5t t\u00edn hi\u1ec7u ho\u1eb7c l\u1ed7i Doppler.<\/p>\n<\/li>\n<li data-start=\"3690\" data-end=\"3772\">\n<p data-start=\"3692\" data-end=\"3772\">Cho ph\u00e9p in log ho\u1eb7c l\u01b0u s\u1ef1 ki\u1ec7n gi\u00fap \u0111\u1ed9i k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch nhanh khi c\u00f3 s\u1ef1 c\u1ed1.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3 data-start=\"3779\" data-end=\"3795\"><strong data-start=\"3783\" data-end=\"3795\">K\u1ebft lu\u1eadn<\/strong><\/h3>\n<p data-start=\"3797\" data-end=\"4055\">H\u1ec7 th\u1ed1ng \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n Doppler Speed Log l\u00e0 thi\u1ebft b\u1ecb li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn an to\u00e0n \u0111i\u1ec1u h\u01b0\u1edbng, d\u1eabn \u0111\u01b0\u1eddng, v\u00e0 k\u1ebft n\u1ed1i d\u1eef li\u1ec7u h\u00e0nh tr\u00ecnh. Ch\u1ecdn \u0111\u00fang thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p cho t\u00e0u gi\u00fap \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u ch\u00ednh x\u00e1c, t\u00edn hi\u1ec7u \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00edch h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed tr\u00ean t\u00e0u.<\/p>\n<h3>Li\u00ean h\u1ec7 ngay v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 nh\u1eadn t\u01b0 v\u1ea5n chi ti\u1ebft !\u00a0<strong>097 800 1968 (DT\/Zalo)<\/strong><\/h3>\n<p>Link :<\/p>\n<p><a href=\"https:\/\/youtu.be\/Yx8801cnQCo?si=DvBhrVwu9mgRm30p\" target=\"_blank\" rel=\"noopener\">Video Unbox S\u1ea3n Ph\u1ea9m<\/a><\/p>\n<p><a href=\"https:\/\/antoanhanghai.com\/en\/product\/do-toc-do-ds-99\/\">S\u1ea3n ph\u1ea9m\u00a0<\/a><\/p>\n<p><a href=\"https:\/\/www.imo.org\/en\" target=\"_blank\" rel=\"noopener\">IMO :<\/a><br \/>\n<a href=\"http:\/\/www.vr.org.vn\/\" target=\"_blank\" rel=\"noopener\">VR:<\/a><br \/>\n<a href=\"https:\/\/www.classnk.or.jp\/hp\/en\/index.html\" target=\"_blank\" rel=\"noopener\">NK<\/a><br \/>\n<a href=\"https:\/\/marine-offshore.bureauveritas.com\/marine\/ship-classification\" target=\"_blank\" rel=\"noopener\">BV<\/a><br \/>\n<a href=\"https:\/\/ww2.eagle.org\/en.html\" target=\"_blank\" rel=\"noopener\">ABS<\/a><br \/>\n<a href=\"https:\/\/www.ccs.org.cn\/ccswzen\/\" target=\"_blank\" rel=\"noopener\">CCS<\/a><\/p>\n<p data-start=\"3797\" data-end=\"4055\">","protected":false},"excerpt":{"rendered":"<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n hi\u1ec7n nay, Doppler Speed Log (DSL) l\u00e0 gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean c\u00e1c t\u00e0u h\u00e0ng, t\u00e0u d\u1ea7u, t\u00e0u c\u00e1 xa b\u1edd v\u00e0 t\u00e0u kh\u00e1ch qu\u1ed1c t\u1ebf. \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng Doppler \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 th\u1eadt c\u1ee7a t\u00e0u so v\u1edbi n\u01b0\u1edbc bi\u1ec3n b\u00ean d\u01b0\u1edbi th\u00e2n t\u00e0u, cho ra k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh, ch\u00ednh x\u00e1c v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed h\u00e0ng h\u1ea3i nh\u01b0 VDR, ECDIS, radar ARPA, autopilot&#8230; Tuy nhi\u00ean, \u0111\u1ec3 h\u1ec7 th\u1ed1ng DSL ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 b\u1ec1n b\u1ec9, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 6 ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt quan tr\u1ecdng m\u00e0 c\u00e1c k\u1ef9 s\u01b0 h\u00e0ng h\u1ea3i v\u00e0 ch\u1ee7 t\u00e0u c\u1ea7n l\u01b0u \u00fd khi ch\u1ecdn Doppler Speed Log. 1. C\u00f4ng ngh\u1ec7 \u0111o Doppler ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh DSL ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd Doppler, s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u00e2m thanh ph\u00e1t xu\u1ed1ng n\u01b0\u1edbc \u1edf g\u00f3c nghi\u00eang \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n. M\u1ed9t thi\u1ebft b\u1ecb t\u1ed1t th\u01b0\u1eddng s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 kho\u1ea3ng 1 MHz, cho ph\u00e9p: \u0110\u1ed9 ph\u00e2n gi\u1ea3i cao (\u00b10.01 knots) \u0110o ch\u00ednh x\u00e1c \u1edf c\u1ea3 t\u1ed1c \u0111\u1ed9 th\u1ea5p v\u00e0 cao \u1ed4n \u0111\u1ecbnh trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n bi\u1ec3n \u0111\u1ed9ng \ud83d\udca1 L\u01b0u \u00fd: \u01afu ti\u00ean ch\u1ecdn thi\u1ebft b\u1ecb c\u00f3 ch\u1ebf \u0111\u1ed9 \u0111o Fore-Aft + Port-Stbd, gi\u00fap \u0111o t\u1ed1c \u0111\u1ed9 to\u00e0n ph\u01b0\u01a1ng 2D, h\u1ed7 tr\u1ee3 autopilot v\u00e0 t\u00edch h\u1ee3p v\u1edbi ECDIS hi\u1ec7u qu\u1ea3 h\u01a1n. 2. H\u1ed7 tr\u1ee3 nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u v\u00e0 giao th\u1ee9c truy\u1ec1n \u0110\u1ec3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb DSL v\u1edbi h\u1ec7 th\u1ed1ng tr\u00ean t\u00e0u, thi\u1ebft b\u1ecb c\u1ea7n c\u00f3: \u0110\u1ea7u ra NMEA 0183 (c\u00e1c c\u00e2u VBW, VLW, VTG\u2026) H\u1ed7 tr\u1ee3 c\u1ed5ng RS-422, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng s\u1ed1 l\u01b0\u1ee3ng output Kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng: Doppler \/ GPS \/ AUTO fallback Vi\u1ec7c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 GPS khi m\u1ea5t t\u00edn hi\u1ec7u Doppler r\u1ea5t c\u1ea7n thi\u1ebft, \u0111\u1eb7c bi\u1ec7t khi t\u00e0u ho\u1ea1t \u0111\u1ed9ng \u1edf v\u00f9ng n\u01b0\u1edbc c\u1ea1n, n\u01b0\u1edbc l\u1ea1nh ho\u1eb7c \u0111\u00e1y m\u1ec1m. 3. Hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng, d\u1ec5 \u0111\u1ecdc c\u1ea3 ng\u00e0y v\u00e0 \u0111\u00eam Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m (Display Unit) n\u00ean c\u00f3: M\u00e0n h\u00ecnh m\u00e0u ho\u1eb7c LCD \u22657 inch H\u1ed7 tr\u1ee3 chuy\u1ec3n \u0111\u1ed5i Ch\u1ebf \u0111\u1ed9 ng\u00e0y\/\u0111\u00eam C\u00f3 giao di\u1ec7n \u0111\u01a1n gi\u1ea3n, tr\u1ef1c quan \u0111\u1ec3 thuy\u1ec1n vi\u00ean thao t\u00e1c nhanh khi c\u1ea7n ki\u1ec3m tra t\u1ed1c \u0111\u1ed9, kho\u1ea3ng c\u00e1ch h\u00e0nh tr\u00ecnh, t\u00edn hi\u1ec7u GPS ho\u1eb7c tr\u1ea1ng th\u00e1i c\u1ea3nh b\u00e1o. N\u00ean ch\u1ecdn thi\u1ebft b\u1ecb c\u00f3 h\u1ed7 tr\u1ee3 hi\u1ec3n th\u1ecb t\u1ed1c \u0111\u1ed9 Fore-Aft \/ Port-Stbd \u0111\u1ed9c l\u1eadp, t\u1ed5ng qu\u00e3ng \u0111\u01b0\u1eddng (Total Distance) v\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng chuy\u1ebfn (Trip). 4. Thi\u1ebft k\u1ebf c\u00f4ng nghi\u1ec7p, ph\u00f9 h\u1ee3p \u0111i\u1ec1u ki\u1ec7n h\u00e0ng h\u1ea3i C\u00e1c thi\u1ebft b\u1ecb tr\u00ean t\u00e0u bi\u1ec3n ph\u1ea3i ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a rung, \u1ea9m, mu\u1ed1i bi\u1ec3n v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9. DSL c\u1ea7n \u0111\u1ea1t: IP23 cho m\u00e0n h\u00ecnh, IP56 cho b\u1ed9 x\u1eed l\u00fd, IP68 cho c\u1ea3m bi\u1ebfn d\u01b0\u1edbi \u0111\u00e1y t\u00e0u Ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb theo ti\u00eau chu\u1ea9n IEC60945 \u0110\u1ed9 b\u1ec1n cao, t\u1ed1i thi\u1ec3u 50,000 gi\u1edd ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c Ngo\u00e0i ra, transducer c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1eafp ch\u00ecm (flush mount), gi\u00fap kh\u00f4ng g\u00e2y c\u1ea3n n\u01b0\u1edbc v\u00e0 tr\u00e1nh va \u0111\u1eadp khi t\u00e0u drydock. 5. C\u00e0i \u0111\u1eb7t linh ho\u1ea1t, t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng hi\u1ec7n h\u1eefu DSL c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh v\u00e0 hi\u1ec7u chu\u1ea9n sau khi l\u1eafp: \u0110i\u1ec1u ch\u1ec9nh Speed Offset, XDR Offset Ch\u1ecdn Track Depth ph\u00f9 h\u1ee3p t\u1eebng lo\u1ea1i t\u00e0u (container, tanker\u2026) C\u00f3 menu k\u1ef9 thu\u1eadt ri\u00eang \u0111\u1ec3 k\u1ef9 s\u01b0 v\u1eadn h\u00e0nh c\u00e0i \u0111\u1eb7t sau khi h\u1ea1 th\u1ee7y Vi\u1ec7c thi\u1ebft b\u1ecb cho ph\u00e9p c\u1ea5u h\u00ecnh linh ho\u1ea1t s\u1ebd gi\u00fap \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u t\u1ed1t v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e3 c\u00f3 tr\u00ean t\u00e0u nh\u01b0 VDR, BNWAS, autopilot\u2026 6. H\u1ed7 tr\u1ee3 ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec thu\u1eadn ti\u1ec7n M\u1ed9t thi\u1ebft b\u1ecb t\u1ed1t kh\u00f4ng ch\u1ec9 \u1edf kh\u1ea3 n\u0103ng \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n, m\u00e0 c\u00f2n \u1edf kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t, ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec: C\u00f3 ch\u1ebf \u0111\u1ed9 DEBUG \u0111\u1ec3 gi\u1ea3 l\u1eadp t\u00edn hi\u1ec7u \u2013 h\u1ed7 tr\u1ee3 test khi t\u00e0u \u0111ang n\u1eb1m b\u1edd. C\u00f3 relay c\u1ea3nh b\u00e1o m\u1ea5t t\u00edn hi\u1ec7u ho\u1eb7c l\u1ed7i Doppler. Cho ph\u00e9p in log ho\u1eb7c l\u01b0u s\u1ef1 ki\u1ec7n gi\u00fap \u0111\u1ed9i k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch nhanh khi c\u00f3 s\u1ef1 c\u1ed1. &nbsp; K\u1ebft lu\u1eadn H\u1ec7 th\u1ed1ng \u0111o t\u1ed1c \u0111\u1ed9 t\u00e0u bi\u1ec3n Doppler Speed Log l\u00e0 thi\u1ebft b\u1ecb li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn an to\u00e0n \u0111i\u1ec1u h\u01b0\u1edbng, d\u1eabn \u0111\u01b0\u1eddng, v\u00e0 k\u1ebft n\u1ed1i d\u1eef li\u1ec7u h\u00e0nh tr\u00ecnh. Ch\u1ecdn \u0111\u00fang thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p cho t\u00e0u gi\u00fap \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u ch\u00ednh x\u00e1c, t\u00edn hi\u1ec7u \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00edch h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed tr\u00ean t\u00e0u. Li\u00ean h\u1ec7 ngay v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 nh\u1eadn t\u01b0 v\u1ea5n chi ti\u1ebft !\u00a0097 800 1968 (DT\/Zalo) Link : Video Unbox S\u1ea3n Ph\u1ea9m S\u1ea3n ph\u1ea9m\u00a0 IMO : VR: NK BV ABS CCS<\/p>","protected":false},"author":1,"featured_media":4796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158],"tags":[],"class_list":["post-4795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-update-news"],"_links":{"self":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4795","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=4795"}],"version-history":[{"count":1,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4795\/revisions"}],"predecessor-version":[{"id":4797,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/posts\/4795\/revisions\/4797"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/media\/4796"}],"wp:attachment":[{"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/media?parent=4795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/categories?post=4795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antoanhanghai.com\/en\/wp-json\/wp\/v2\/tags?post=4795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}