{"id":43165,"date":"2024-11-21T15:28:19","date_gmt":"2024-11-21T20:28:19","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/data-analysis-and-reporting-extracting-insights-from-ultrasonic-noise-measurements\/"},"modified":"2025-01-21T07:07:16","modified_gmt":"2025-01-21T12:07:16","slug":"data-analysis-and-reporting-extracting-insights-from-ultrasonic-noise-measurements","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/data-analysis-and-reporting-extracting-insights-from-ultrasonic-noise-measurements\/","title":{"rendered":"Ph\u00e2n t\u00edch d\u1eef li\u1ec7u ti\u1ebfng \u1ed3n si\u00eau \u00e2m: Kh\u00e1m ph\u00e1 th\u00f4ng tin chi ti\u1ebft"},"content":{"rendered":"<p>Vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 b\u00e1o c\u00e1o k\u1ebft qu\u1ea3 t\u1eeb c\u00e1c ph\u00e9p \u0111o ti\u1ebfng \u1ed3n si\u00eau \u00e2m ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y \u0111\u1ebfn gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng m\u00e1y m\u00f3c.  Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ti\u1ebfng \u1ed3n si\u00eau \u00e2m c\u00f3 th\u1ec3 gi\u00fap ch\u00fang ta ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i, d\u1ef1 \u0111o\u00e1n s\u1ef1 c\u1ed1 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u1eadp trung v\u00e0o vi\u1ec7c khai th\u00e1c th\u00f4ng tin chi ti\u1ebft t\u1eeb d\u1eef li\u1ec7u \u0111o ti\u1ebfng \u1ed3n si\u00eau \u00e2m, th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch v\u00e0 c\u00e1ch tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h3>Thu th\u1eadp D\u1eef li\u1ec7u Ti\u1ebfng \u1ed2n Si\u00eau \u00c2m<\/h3>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch l\u00e0 thu th\u1eadp d\u1eef li\u1ec7u ti\u1ebfng \u1ed3n si\u00eau \u00e2m.  Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a d\u1eef li\u1ec7u thu th\u1eadp \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch.  C\u1ea7n l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111o ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, \u0111\u1ea3m b\u1ea3o d\u1ea3i t\u1ea7n s\u1ed1 v\u00e0 \u0111\u1ed9 nh\u1ea1y \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u.  C\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 ghi nh\u1eadn \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh d\u1eef li\u1ec7u n\u1ebfu c\u1ea7n.<\/p>\n<h3>C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p Ph\u00e2n T\u00edch D\u1eef li\u1ec7u<\/h3>\n<p>C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch d\u1eef li\u1ec7u ti\u1ebfng \u1ed3n si\u00eau \u00e2m, bao g\u1ed3m ph\u00e2n t\u00edch ph\u1ed5, ph\u00e2n t\u00edch th\u1eddi gian-t\u1ea7n s\u1ed1, v\u00e0 ph\u00e2n t\u00edch th\u1ed1ng k\u00ea. Ph\u00e2n t\u00edch ph\u1ed5 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 ch\u1ee7 \u0111\u1ea1o trong t\u00edn hi\u1ec7u ti\u1ebfng \u1ed3n. Ph\u00e2n t\u00edch th\u1eddi gian-t\u1ea7n s\u1ed1 cho ph\u00e9p theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i c\u1ee7a ph\u1ed5 theo th\u1eddi gian, h\u1eefu \u00edch trong vi\u1ec7c ph\u00e2n t\u00edch c\u00e1c t\u00edn hi\u1ec7u kh\u00f4ng \u1ed5n \u0111\u1ecbnh. Ph\u00e2n t\u00edch th\u1ed1ng k\u00ea, bao g\u1ed3m t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb trung b\u00ecnh, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n, v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 th\u1ed1ng k\u00ea kh\u00e1c, gi\u00fap \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a ti\u1ebfng \u1ed3n.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Ph\u01b0\u01a1ng ph\u00e1p<\/th>\n<th>\u01afu \u0111i\u1ec3m<\/th>\n<th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u00e2n t\u00edch ph\u1ed5<\/td>\n<td>\u0110\u01a1n gi\u1ea3n, d\u1ec5 th\u1ef1c hi\u1ec7n<\/td>\n<td>Kh\u00f4ng th\u1ec3 hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i theo th\u1eddi gian<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e2n t\u00edch th\u1eddi gian-t\u1ea7n s\u1ed1<\/td>\n<td>Theo d\u00f5i \u0111\u01b0\u1ee3c s\u1ef1 thay \u0111\u1ed5i theo th\u1eddi gian<\/td>\n<td>Ph\u1ee9c t\u1ea1p h\u01a1n, c\u1ea7n x\u1eed l\u00fd nhi\u1ec1u d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e2n t\u00edch th\u1ed1ng k\u00ea<\/td>\n<td>\u0110\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng<\/td>\n<td>Kh\u00f4ng cung c\u1ea5p th\u00f4ng tin v\u1ec1 t\u1ea7n s\u1ed1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Tr\u00edch Xu\u1ea5t Th\u00f4ng Tin v\u00e0 B\u00e1o C\u00e1o K\u1ebft Qu\u1ea3<\/h3>\n<p>Sau khi ph\u00e2n t\u00edch d\u1eef li\u1ec7u, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 tr\u00edch xu\u1ea5t th\u00f4ng tin h\u1eefu \u00edch v\u00e0 tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, d\u1ec5 hi\u1ec3u.  C\u00e1c bi\u1ec3u \u0111\u1ed3, b\u1ea3ng bi\u1ec3u, v\u00e0 h\u00ecnh \u1ea3nh tr\u1ef1c quan gi\u00fap minh h\u1ecda k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.  V\u00ed d\u1ee5, m\u1ed9t bi\u1ec3u \u0111\u1ed3 ph\u1ed5 c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng c\u00e1c \u0111\u1ec9nh t\u1ea7n s\u1ed1 \u0111\u1eb7c tr\u01b0ng c\u1ee7a ti\u1ebfng \u1ed3n, trong khi m\u1ed9t bi\u1ec3u \u0111\u1ed3 xu h\u01b0\u1edbng theo th\u1eddi gian c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 thay \u0111\u1ed5i c\u1ee7a c\u01b0\u1eddng \u0111\u1ed9 ti\u1ebfng \u1ed3n theo th\u1eddi gian.  Vi\u1ec7c so s\u00e1nh d\u1eef li\u1ec7u \u0111o \u0111\u01b0\u1ee3c v\u1edbi d\u1eef li\u1ec7u chu\u1ea9n ho\u1eb7c d\u1eef li\u1ec7u l\u1ecbch s\u1eed c\u0169ng gi\u00fap \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h3>X\u1eed L\u00fd T\u00edn Hi\u1ec7u v\u00e0 L\u1ecdc Nhi\u1ec5u<\/h3>\n<p>Trong th\u1ef1c t\u1ebf, t\u00edn hi\u1ec7u ti\u1ebfng \u1ed3n si\u00eau \u00e2m th\u01b0\u1eddng b\u1ecb nhi\u1ec5u b\u1edfi c\u00e1c t\u00edn hi\u1ec7u kh\u00e1c.  Vi\u1ec7c x\u1eed l\u00fd t\u00edn hi\u1ec7u v\u00e0 l\u1ecdc nhi\u1ec5u l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch.  C\u00e1c k\u1ef9 thu\u1eadt l\u1ecdc nhi\u1ec5u ph\u1ed5 bi\u1ebfn bao g\u1ed3m l\u1ecdc trung b\u00ecnh, l\u1ecdc Kalman, v\u00e0 l\u1ecdc th\u00edch nghi.<\/p>\n<h3>\u1ee8ng D\u1ee5ng trong Ki\u1ec3m Tra Kh\u00f4ng Ph\u00e1 H\u1ee7y<\/h3>\n<p>Ph\u00e2n t\u00edch ti\u1ebfng \u1ed3n si\u00eau \u00e2m \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt trong v\u1eadt li\u1ec7u. V\u00ed d\u1ee5, b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 t\u1eeb c\u00e1c khuy\u1ebft t\u1eadt, ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc, v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a khuy\u1ebft t\u1eadt.<\/p>\n<p>Vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 b\u00e1o c\u00e1o k\u1ebft qu\u1ea3 t\u1eeb c\u00e1c ph\u00e9p \u0111o ti\u1ebfng \u1ed3n si\u00eau \u00e2m \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u00e1m s\u00e1t, ch\u1ea9n \u0111o\u00e1n v\u00e0 d\u1ef1 \u0111o\u00e1n s\u1ef1 c\u1ed1 trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.  B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ph\u00f9 h\u1ee3p v\u00e0 tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, ch\u00fang ta c\u00f3 th\u1ec3 khai th\u00e1c t\u1ed1i \u0111a th\u00f4ng tin t\u1eeb d\u1eef li\u1ec7u ti\u1ebfng \u1ed3n si\u00eau \u00e2m, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh k\u1ecbp th\u1eddi v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 b\u00e1o c\u00e1o k\u1ebft qu\u1ea3 t\u1eeb c\u00e1c ph\u00e9p \u0111o ti\u1ebfng \u1ed3n si\u00eau \u00e2m ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y \u0111\u1ebfn gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng m\u00e1y m\u00f3c. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ti\u1ebfng \u1ed3n si\u00eau \u00e2m c\u00f3 th\u1ec3 gi\u00fap<\/p>\n","protected":false},"author":1,"featured_media":42068,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-43165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/43165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=43165"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/43165\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/42068"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=43165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=43165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=43165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}