{"id":19594,"date":"2019-02-27T21:30:42","date_gmt":"2019-02-27T14:30:42","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=19594"},"modified":"2019-02-28T10:13:37","modified_gmt":"2019-02-28T03:13:37","slug":"cau-tao-cong-nghe-va-thong-so-co-trong-cac-loai-gaming-mouse-phan-2","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/cau-tao-cong-nghe-va-thong-so-co-trong-cac-loai-gaming-mouse-phan-2\/","title":{"rendered":"C\u1ea5u t\u1ea1o c\u00f4ng ngh\u1ec7 v\u00e0 th\u00f4ng s\u1ed1 c\u00f3 trong c\u00e1c lo\u1ea1i gaming mouse (Ph\u1ea7n 2)"},"content":{"rendered":"<p><strong>N\u1ebfu nh\u01b0 \u1edf ph\u1ea7n tr\u01b0\u1edbc ch\u1ec9 d\u1eebng l\u1ea1i \u1edf nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n, d\u1ec5 g\u1eb7p d\u1ec5 hi\u1ec3u, th\u00ec \u1edf ph\u1ea7n 2 n\u00e0y xin m\u1eddi anh em c\u00f9ng t\u00f4i \u0111i s\u00e2u h\u01a1n v\u00e0o c\u00e1c kh\u00e1i ni\u1ec7m c\u00f3 th\u1ec3 gi\u00fap ch\u00fang ta \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c hi\u1ec7u n\u0103ng th\u1ef1c s\u1ef1 c\u1ee7a m\u1ed9t gaming mouse.<\/strong><\/p>\n<p><em>Ph\u1ea7n 1:\u00a0https:\/\/phongvu.vn\/cong-nghe\/cau-tao-cong-nghe-va-thong-so-co-trong-cac-loai-gaming-mouse-phan-1\/<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-19625 aligncenter\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R.jpg\" alt=\"ASUS ROG Gladius II gaming mouse\" width=\"1200\" height=\"799\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R.jpg 1200w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R-300x200.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R-768x511.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R-1024x682.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R-696x463.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R-1068x711.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R-631x420.jpg 631w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/ASUS-ROG-Gladius-II-gaming-mouse-PV-R-600x400.jpg 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" title=\"\"><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a1b3bdd48f91\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a1b3bdd48f91\"  type=\"checkbox\" id=\"item-6a1b3bdd48f91\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cau-tao-cong-nghe-va-thong-so-co-trong-cac-loai-gaming-mouse-phan-2\/#Angle_Snapping\" title=\"Angle Snapping\">Angle Snapping<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cau-tao-cong-nghe-va-thong-so-co-trong-cac-loai-gaming-mouse-phan-2\/#FPS_Frames_per_Second_and_Pixel_Resolution\" title=\"FPS (Frames per Second) and Pixel Resolution\">FPS (Frames per Second) and Pixel Resolution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cau-tao-cong-nghe-va-thong-so-co-trong-cac-loai-gaming-mouse-phan-2\/#JitterRipple\" title=\"Jitter\/Ripple\">Jitter\/Ripple<\/a><\/li><\/ul><\/nav><\/div>\n<h4><span class=\"ez-toc-section\" id=\"Angle_Snapping\"><\/span><strong>Angle Snapping<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Angle Snapping (thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c Avago \u0111\u1eb7t ra) hay c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi m\u1ed9t s\u1ed1 t\u00ean g\u1ecdi kh\u00e1c nh\u01b0 Angle Prediction, Drift Control hay Auto Correction \u0111\u1ec1u \u0111\u1ea1i dien cho thu\u1eadt to\u00e1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1eddng v\u1ebd (path correction algorithm) th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e0i s\u1eb5n v\u00e0o SROM (Secure Read-Only Memory). Ban \u0111\u1ea7u thu\u1eadt to\u00e1n n\u00e0y \u0111\u01b0\u1ee3c k\u00e8m theo m\u1ed9t m\u1ee9c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh nh\u1ea5t \u0111\u1ecbnh b\u1edfi nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t nh\u01b0 Agilent (sau n\u00e0y l\u00e0 Avago) gi\u00fap cho c\u1ea3m bi\u1ebfn c\u00f3 kh\u1ea3 n\u0103ng theo d\u00f5i \u0111\u01b0\u1eddng v\u1ebd nh\u1eb1m gi\u00fap cho ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 v\u1ebd c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng (straight line) m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. C\u1ea7n l\u01b0u \u00fd th\u00eam, v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o nh\u01b0ng n\u0103m cu\u1ed1i c\u1ee7a th\u1eadp ni\u00ean 90 (d\u01b0\u1edbi d\u1ea1ng t\u00ednh n\u0103ng ph\u1ee5), th\u00ec thu\u1eadt to\u00e1n n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch \u1ed5n \u0111\u1ecbnh hi\u1ec7u n\u0103ng chu\u1ed9t.<\/p>\n<p>C\u00f3 3 c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 g\u00e1n thu\u1eadt to\u00e1n n\u00e0y. C\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 khi SROM \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o c\u1ea3m bi\u1ebfn th\u00ec b\u1ea3n th\u00e2n n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i s\u1eb5n m\u1ed9t kho\u1ea3ng gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c g\u1eafn l\u00ean 2 gi\u00e1 tr\u1ecb \u0394x\/\u0394y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi DSP (c\u0169ng nh\u01b0 \u0111\u01b0\u1ee3c g\u1eafn b\u1edfi ch\u00ednh DSP). \u1ede c\u00e1ch th\u1ee9c th\u1ee9 hai, 1 kho\u1ea3ng gi\u00e1 tr\u1ecb v\u1eabn \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o c\u1ea3m bi\u1ebfn th\u00f4ng qua SROM, nh\u01b0ng l\u1ea1i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1edfi MCU b\u1eb1ng c\u00e1ch t\u1eaft ho\u1eb7c b\u1eadt (\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean Logitech G9x). V\u1edbi c\u00e1ch th\u1ee9c th\u1ee9 3, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean Steelseries Xai v\u00e0 Sensei, \u0111\u01b0\u1ee3c cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh thu\u1eadt to\u00e1n n\u00e0y ho\u00e0n to\u00e0n. SROM c\u1ee7a nh\u1eefng con mouse n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00e0i s\u1eb5n b\u1ea5t c\u1ee9 ph\u1ea7n n\u00e0o li\u00ean quan t\u1edbi thu\u1eadt to\u00e1n n\u00e0y, m\u00e0 thay v\u00e0o \u0111\u1ea5y l\u00e0 MCU (c\u00f3 th\u1ec3 l\u00e0 DSP) t\u1ef1 t\u00ednh to\u00e1n bi\u1ebfn s\u1ed1 cho thu\u1eadt to\u00e1n v\u00e0 g\u1eafn l\u00ean 2 gi\u00e1 tr\u1ecb \u0394x\/\u0394y, t\u00f9y thu\u1ed9c v\u00e0o t\u00f9y ch\u1ecdn c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng (\u0111\u01b0\u1ee3c bi\u1ebft t\u1edbi v\u1edbi t\u00ednh n\u0103ng FreeMove).<\/p>\n<p>V\u1edbi b\u1ea5t k\u00ec c\u00e1ch th\u1ee9c n\u00e0o nh\u01b0 tr\u00ean, khi \u0111\u01b0\u1ee3c b\u1eadt l\u00ean, m\u1ecdi chuy\u1ec3n \u0111\u1ed9ng n\u1eb1m trong kho\u1ea3ng \u00b1x\u00ba t\u00ednh t\u1eeb tr\u1ee5c X ho\u1eb7c Y \u0111\u1ec1u b\u1ecb \u0111\u01b0a v\u1ec1 tr\u1ee5c g\u1ea7n nh\u1ea5t. V\u00ed d\u1ee5, khi c\u1ea3m bi\u1ebfn qu\u00e9t chuy\u1ec3n \u0111\u1ed9ng t\u1ea1i \u00b12\u00ba t\u00ednh t\u1eeb tr\u1ee5c X trong khi ng\u01b0\u1ee1ng \u0111\u01b0\u1ee3c \u0111\u1eb7t ra l\u00e0 \u00b15\u00ba, th\u00ec t\u00edn hi\u1ec7u di chuy\u1ec3n \u0111\u1ea7u ra s\u1ebd b\u1ecb \u0111\u01b0a v\u1ec1 tr\u1ee5c X \u1edf 0\u00ba.<\/p>\n<p>\u0110\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c mouse c\u00f3 b\u1ecb Angle Snapping hay kh\u00f4ng c\u0169ng kh\u00f4ng c\u00f3 g\u00ec kh\u00f3, ch\u1ec9 c\u1ea7n v\u00e0o MS Paint v\u1ebd 1 \u0111\u01b0\u1eddng th\u1eb3ng n\u1eb1m ngang v\u1edbi t\u1ed1c \u0111\u1ed9 v\u1eeba ph\u1ea3i b\u1eb1ng pecil tool, \u0111\u01b0\u1eddng chu\u1ed9t c\u00e0ng tr\u1ed3i s\u1ee5t bao nhi\u00eau th\u00ec con mouse c\u00e0ng \u00edt hi\u1ec7n t\u01b0\u1ee3ng Angle Snapping b\u1ea5y nhi\u00eau. C\u00f2n 1 c\u00e1ch n\u1eefa chu\u1ea9n h\u01a1n \u0111\u00f3 l\u00e0 v\u1ebd nh\u1eefng v\u00f2ng xo\u1eafn v\u00e0o nhau gi\u1ed1ng nh\u01b0 l\u00f2 xo, v\u00f2ng xo\u1eafn c\u00e0ng \u00edt c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng c\u00e0ng ng\u1eafn th\u00ec Angle Snapping c\u00e0ng \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf tri\u1ec7t \u0111\u1ec3.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-19619\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2.png\" alt=\"C\u1ea5u t\u1ea1o c\u00f4ng ngh\u1ec7 v\u00e0 th\u00f4ng s\u1ed1 c\u00f3 trong c\u00e1c lo\u1ea1i gaming mouse (Ph\u1ea7n 2)\" width=\"751\" height=\"408\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2.png 751w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-300x163.png 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-696x378.png 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-600x326.png 600w\" sizes=\"(max-width: 751px) 100vw, 751px\" title=\"\"><\/p>\n<p><strong>L\u01b0u \u00fd:<\/strong><\/p>\n<p>M\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 l\u1ebd s\u1ebd nh\u1ea7m l\u1eabn v\u1ec1 v\u1ea5n \u0111\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a Polling Rate l\u00ean m\u1ee9c \u0111\u1ed9 hi\u1ec7u ch\u1ec9nh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. C\u1ea7n bi\u1ebft l\u00e0 c\u00e1c gi\u00e1 tr\u1ecb hi\u1ec7u ch\u1ec9nh n\u00e0y \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o c\u00e1c gi\u00e1 tr\u1ecb \u0394x\/\u0394y \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi DSP ho\u1eb7c MCU (t\u00f9y v\u00e0o c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1eebng h\u1ec7 th\u1ed1ng) tr\u01b0\u1edbc khi data \u0111\u01b0\u1ee3c b\u0103m nh\u1ecf \u0111\u1ec3 truy\u1ec1n qua t\u00edn hi\u1ec7u USB ho\u1eb7c PS\/2 v\u00e0 \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi host (PC), do \u0111\u1ea5y Polling Rate kh\u00f4ng th\u1ec3 \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y \u0111\u01b0\u1ee3c.\u00a0<em>(Ph\u1ea7n 1 \u0111\u00e3 ch\u00fa th\u00edch v\u1ec1\u00a0\u0394x\/\u0394y r\u1ed3i nha)<\/em><\/p>\n<p>Gi\u1ea3 s\u1eed mouse c\u1ee7a b\u1ea1n \u0111ang ch\u1ea1y \u1edf 125Hz v\u00e0 d\u1eef li\u1ec7u hi\u1ec7n t\u1ea1i \u0111ang \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi host (PC) bao g\u1ed3m \u0394x = 40 v\u00e0 \u0394y = 2. N\u1ebfu ch\u1ea1y \u1edf 1000Hz, th\u00ec g\u00f3i data n\u00e0y s\u1ebd b\u1ecb <strong>b\u0103m nh\u1ecf<\/strong> ra th\u00e0nh 8 ph\u1ea7n, v\u00e0 c\u00f3 th\u1ec3 trong gi\u1ed1ng th\u1ebf n\u00e0y:<\/p>\n<p>x = 3 | x = 4 | x = 5 | x = 5 | x = 6 | x = 6 | x = 6 | x = 5<\/p>\n<p>y = 0 | y =-1 | y =-1 | y = 0 | y = 0 | y = 1 | y = 1 | y = 2<\/p>\n<p>Trong c\u1ea3 2 tr\u01b0\u1eddng h\u1ee3p, n\u1ebfu x\u00e9t v\u1ec1 t\u1ed5ng th\u1ec3 con tr\u1ecf c\u1ee7a b\u1ea1n v\u1eabn k\u1ebft th\u00fac chuy\u1ec3n \u0111\u1ed9ng t\u1ea1i c\u00f9ng 1 \u0111i\u1ec3m, m\u1eb7c d\u00f9 t\u1ea1i 1000Hz \u0111\u01b0\u1eddng v\u1ebd c\u1ee7a b\u1ea1n tr\u00f4ng c\u00f3 v\u1ebb kh\u00f4ng \u0111\u01b0\u1ee3c th\u1eb3ng nh\u01b0 125Hz (xu\u1ed1ng 2 n\u1ea5c v\u00e0 l\u00ean 3 n\u1ea5c).<\/p>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao m\u00e0 Polling rate cao h\u01a1n l\u1ea1i \u0111em l\u1ea1i \u0111\u01b0\u1eddng chu\u1ed9t m\u01b0\u1ee3t h\u01a1n, ch\u00ednh x\u00e1c h\u01a1n v\u00e0 \u00edt b\u1ecb &#8220;n\u1eafn&#8221; h\u01a1n, nh\u01b0ng x\u00e9t theo 1 kho\u1ea3ng th\u1eddi gian d\u00e0i h\u01a1n chu k\u00ec 8ms th\u00ec n\u00f3 s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng g\u00ec t\u1edbi con tr\u1ecf c\u0169ng nh\u01b0 thu\u1eadt to\u00e1n (path correction).<\/p>\n<h4><span class=\"ez-toc-section\" id=\"FPS_Frames_per_Second_and_Pixel_Resolution\"><\/span><strong>FPS (Frames per Second) and Pixel Resolution<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>FPS (Frames per Second) c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean g\u1ecdi kh\u00e1c l\u00e0 RPS (Reports per Second) bi\u1ec3u th\u1ecb cho s\u1ed1 l\u01b0\u1ee3ng khung h\u00ecnh \u0111\u01b0\u1ee3c IAS (Image Aquisition System) c\u1ee7a c\u1ea3m bi\u1ebfn thu th\u1eadp \u0111\u01b0\u1ee3c trong 1s v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1eb1m ph\u00e1t hi\u1ec7n c\u0169ng nh\u01b0 t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb chuy\u1ec3n \u0111\u1ed9ng \u0394x\/\u0394y c\u1ee7a mouse. S\u1ed1 khung h\u00ecnh n\u00e0y th\u01b0\u1eddng kh\u00f4ng c\u00f3 con s\u1ed1 ch\u00ednh x\u00e1c (t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng lo\u1ea1i c\u1ea3m bi\u1ebfn), th\u01b0\u1eddng r\u01a1i v\u00e0o kho\u1ea3ng v\u00e0i ngh\u00ecn khung h\u00ecnh. \u0110\u1ed1i v\u1edbi c\u1ea3m bi\u1ebfn ADNS-3080 c\u1ee7a Avago th\u00ec s\u1ed1 khung h\u00ecnh n\u00e0y v\u00e0o kho\u1ea3ng 2000-6500, \u1edf phi\u00ean b\u1ea3n \u0111\u1ea7u c\u1ee7a c\u1ea3m bi\u1ebfn n\u00e0y th\u00ec s\u1ed1 khung h\u00ecnh nh\u1ecf nh\u1ea5t r\u01a1i v\u00e0o kho\u1ea3ng 500.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp h\u00ecnh \u1ea3nh nh\u01b0 Avago \u00e1p d\u1ee5ng v\u00e0o c\u1ea3m bi\u1ebfn, th\u00ec m\u1ed7i khung h\u00ecnh \u0111\u1ec1u c\u00f3 1 \u0111\u1ed9 ph\u00e2n gi\u1ea3i c\u1ed1 \u0111\u1ecbnh (pixel resolution ho\u1eb7c pixel matrix) \u0111\u1ed1i v\u1edbi m\u1ed7i lo\u1ea1i c\u1ea3m bi\u1ebfn nh\u1ea5t \u0111\u1ecbnh, nh\u1eb1m gi\u00fap cho vi\u1ec7c theo d\u00f5i (track) chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a mouse c\u00f9ng v\u1edbi FPS (frames per second). \u0110\u1ed1i v\u1edbi nh\u1eefng c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c public th\u00ec th\u00f4ng s\u1ed1 n\u00e0y c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong datasheet c\u1ee7a nsx cung c\u1ea5p. \u1ede ADNS-3080, th\u00ec c\u1ee9 m\u1ed7i khung h\u00ecnh c\u1ea3m bi\u1ebfn s\u1ebd thu \u0111\u01b0\u1ee3c m\u1ed9t ma tr\u1eadn \u0111i\u1ec3m \u1ea3nh (pixel matrix) c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i l\u00e0 30&#215;30 pixels.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-19621 aligncenter\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-2.jpg\" alt=\"C\u1ea5u t\u1ea1o c\u00f4ng ngh\u1ec7 v\u00e0 th\u00f4ng s\u1ed1 c\u00f3 trong c\u00e1c lo\u1ea1i gaming mouse (Ph\u1ea7n 2)\" width=\"720\" height=\"276\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-2.jpg 720w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-2-300x115.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-2-696x267.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-2-600x230.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" title=\"\"><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"JitterRipple\"><\/span><strong>Jitter\/Ripple<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Jitter, Ripple \u0111\u1ec1u \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 n\u00f3i \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng khi xu\u1ea5t hi\u1ec7n b\u1ea5t k\u00ec d\u1eef li\u1ec7u c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng (count units) n\u00e0o \u0111\u01b0\u1ee3c thu th\u1eadp b\u1edfi c\u1ea3m bi\u1ebfn b\u1ecb ch\u1ec7ch h\u01b0\u1edbng so v\u1edbi v\u1ecb tr\u00ed g\u1ed1c ban \u0111\u1ea7u, l\u00e0m cho con tr\u1ecf chu\u1ed9t di chuy\u1ec3n m\u1ed9t c\u00e1ch r\u1ea5t th\u1ea5t th\u01b0\u1eddng. L\u1ed7i n\u00e0y th\u00f4ng th\u01b0\u1eddng x\u1ea3y ra khi m\u00e0 c\u1ea3m bi\u1ebfn b\u1ecb \u0111\u1ea9y t\u1edbi gi\u1edbi h\u1ea1n ph\u1ea3n h\u1ed3i \u0111\u01a1n v\u1ecb \u0111\u1ebfm (report count units). Nh\u01b0 \u1edf m\u1ee5c IV m\u00ecnh c\u00f3 n\u00f3i t\u00f9y t\u1eebng lo\u1ea1i c\u1ea3m bi\u1ebfn m\u00e0 c\u00f3 t\u1eebng ma tr\u1eadn \u0111i\u1ec3m \u1ea3nh (pixel matrix) kh\u00e1c nhau, v\u00e0 vi\u1ec7c ph\u1ea3n h\u1ed3i \u0111\u01a1n v\u1ecb \u0111\u1ebfm (report count units) ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o ma tr\u1eadn n\u00e0y. Vi\u1ec7c n\u00e2ng m\u1ee9c DPI\/CPI l\u00ean c\u00e0ng cao c\u00e0ng khi\u1ebfn cho qu\u00e1 tr\u00ecnh n\u1ed9i suy (interpolation) c\u1ee7a c\u1ea3m bi\u1ebfn c\u00e0ng l\u1edbn \u0111\u1ec3 cho ra \u0111\u01b0\u1ee3c \u0111\u1ed9 ph\u00e2n gi\u1ea3i hay \u0111\u01a1n v\u1ecb \u0111\u1ebfm (count units) t\u01b0\u01a1ng \u1ee9ng, k\u1ebft qu\u1ea3 l\u00e0 c\u00e0ng nhi\u1ec1u &#8220;noise&#8221; xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh qu\u00e9t b\u1ec1 m\u1eb7t c\u1ee7a c\u1ea3m bi\u1ebfn.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-19623\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-3.jpg\" alt=\"C\u1ea5u t\u1ea1o c\u00f4ng ngh\u1ec7 v\u00e0 th\u00f4ng s\u1ed1 c\u00f3 trong c\u00e1c lo\u1ea1i gaming mouse (Ph\u1ea7n 2)\" width=\"720\" height=\"479\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-3.jpg 720w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-3-300x200.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-3-696x463.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-3-631x420.jpg 631w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/02\/C\u1ea5u-t\u1ea1o-c\u00f4ng-ngh\u1ec7-v\u00e0-th\u00f4ng-s\u1ed1-c\u00f3-trong-c\u00e1c-lo\u1ea1i-gaming-mouse-Ph\u1ea7n-2-3-600x399.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" title=\"\"><\/p>\n<p>M\u1ed9t con gaming mouse b\u1ecb hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y s\u1ebd cho ra nh\u1eefng \u0111\u01b0\u1eddng v\u1ebd th\u1ea5t th\u01b0\u1eddng, d\u1ec5 nh\u1eadn th\u1ea5y \u0111\u01b0\u1ee3c l\u00e0 khi v\u1ebd tr\u00ean MS Paint. N\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft ch\u1eafc \u0111\u01b0\u1ee3c chu\u1ed9t c\u1ee7a m\u00ecnh c\u00f3 b\u1ecb hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y kh\u00f4ng, th\u00ec ch\u1ec9 c\u1ea7n m\u1edf MS Paint l\u00ean, ch\u1ecdn pencil tool v\u00e0 v\u1ebd l\u00ean m\u1eb7t page tr\u1eafng. N\u1ebfu mouse b\u1ea1n s\u1eed d\u1ee5ng xu\u1ea5t hi\u1ec7n l\u1ed7i n\u00e0y, trong khi b\u1ea3n th\u00e2n n\u00f3 tr\u01b0\u1edbc \u0111\u00e2y ko b\u1ecb th\u00ec c\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 lau s\u1ea1ch lens (th\u1ea5u k\u00ednh) b\u1eb1ng kh\u0103n \u0111\u00e3 th\u1ea5m \u1ea9m n\u01b0\u1edbc \u1ea5m, k\u1ebf \u0111\u1ebfn l\u00e0 lau s\u1ea1ch l\u1ea1i mouse pad.<\/p>\n<p><em>C\u00f2n ti\u1ebfp&#8230;<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu nh\u01b0 \u1edf ph\u1ea7n tr\u01b0\u1edbc ch\u1ec9 d\u1eebng l\u1ea1i \u1edf nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n, d\u1ec5 g\u1eb7p d\u1ec5 hi\u1ec3u, th\u00ec \u1edf ph\u1ea7n 2 n\u00e0y xin m\u1eddi anh em c\u00f9ng t\u00f4i \u0111i s\u00e2u h\u01a1n v\u00e0o c\u00e1c kh\u00e1i ni\u1ec7m c\u00f3 th\u1ec3 gi\u00fap ch\u00fang ta \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c hi\u1ec7u n\u0103ng th\u1ef1c s\u1ef1 c\u1ee7a m\u1ed9t gaming mouse. Ph\u1ea7n 1:\u00a0https:\/\/phongvu.vn\/cong-nghe\/cau-tao-cong-nghe-va-thong-so-co-trong-cac-loai-gaming-mouse-phan-1\/ Angle [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19625,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/19594"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=19594"}],"version-history":[{"count":11,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/19594\/revisions"}],"predecessor-version":[{"id":19628,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/19594\/revisions\/19628"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/19625"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=19594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=19594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=19594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}