{"id":15115,"date":"2026-05-11T13:04:03","date_gmt":"2026-05-11T11:04:03","guid":{"rendered":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/?p=15115"},"modified":"2026-05-18T15:08:06","modified_gmt":"2026-05-18T13:08:06","slug":"le-demonstrateur-signal-et-ondes-gravitationnelles-a-la-une","status":"publish","type":"post","link":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/?p=15115","title":{"rendered":"Le d\u00e9monstrateur Signal et Ondes gravitationnelles \u00e0 la Une !"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"15115\" class=\"elementor elementor-15115\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d8bbc0 e-flex e-con-boxed e-con e-parent\" data-id=\"0d8bbc0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8fe65ce elementor-widget elementor-widget-heading\" data-id=\"8fe65ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Un d\u00e9monstrateur \u00e0 vis\u00e9e p\u00e9dagogique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d8144b e-flex e-con-boxed e-con e-parent\" data-id=\"7d8144b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b59adb elementor-widget elementor-widget-text-editor\" data-id=\"5b59adb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Le d\u00e9monstrateur p\u00e9dagogique \u00ab Signal et Ondes gravitationnelles \u00bb \u00e9labor\u00e9 dans le cadre dans le cadre de l\u2019ANR Ricochet par Nicolas LE BIHAN et Pierre GRANJON est con\u00e7u pour illustrer les concepts de \u00ab\u00a0mesure de vibrations\u00a0\u00bb et de \u00ab\u00a0traitement des signaux vibratoires\u00a0\u00bb. Il permet de g\u00e9n\u00e9rer des vibrations se propageant dans une toile en lycra, de les mesurer \u00e0 l\u2019aide de capteurs puis d&rsquo;en analyser les signaux.<br \/>Il est notamment possible de faire des analogies entre les ondes membranaires produites et les ondes gravitationnelles \u00e9mises lors de la fusion de syst\u00e8mes binaires de trous noirs coalescents. Cette analogie fournit un support p\u00e9dagogique pour introduire plusieurs notions fondamentales du traitement du signal.<br \/>La conception technique du d\u00e9monstrateur \u00ab Signal et Ondes Gravitationnelles \u00bb a \u00e9t\u00e9 r\u00e9alis\u00e9e par le service m\u00e9catronique du P\u00f4le technique du laboratoire GIPSA-lab.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b23b8f6 e-flex e-con-boxed e-con e-parent\" data-id=\"b23b8f6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1cc4e55 elementor-widget elementor-widget-heading\" data-id=\"1cc4e55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Une conception m\u00e9canique rigoureuse<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-72ba6a1 e-flex e-con-boxed e-con e-parent\" data-id=\"72ba6a1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fbfd838 e-con-full e-flex e-con e-child\" data-id=\"fbfd838\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bf7b44b elementor-widget elementor-widget-image\" data-id=\"bf7b44b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"527\" src=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/2_NEWS_Photo_DemonstrateurSIOG.png\" class=\"attachment-large size-large wp-image-15119\" alt=\"\" srcset=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/2_NEWS_Photo_DemonstrateurSIOG.png 800w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/2_NEWS_Photo_DemonstrateurSIOG-300x198.png 300w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/2_NEWS_Photo_DemonstrateurSIOG-768x506.png 768w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/2_NEWS_Photo_DemonstrateurSIOG-600x395.png 600w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/2_NEWS_Photo_DemonstrateurSIOG-560x369.png 560w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Cr\u00e9dit photo Gabriel Buche GIPSA-lab<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-91740b2 e-con-full e-flex e-con e-child\" data-id=\"91740b2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f191344 elementor-widget elementor-widget-image\" data-id=\"f191344\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-1024x683.png\" class=\"attachment-large size-large wp-image-15120\" alt=\"\" srcset=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-1024x683.png 1024w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-300x200.png 300w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-768x513.png 768w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-1536x1025.png 1536w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-2048x1367.png 2048w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-600x400.png 600w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/3_NEWS_Photo_DemonstrateurSIOG-560x374.png 560w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Cr\u00e9dit photo Gabriel Buche GIPSA-lab<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d766050 e-con-full e-flex e-con e-child\" data-id=\"d766050\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-698ad65 elementor-widget elementor-widget-text-editor\" data-id=\"698ad65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La r\u00e9alisation de la partie m\u00e9canique a \u00e9t\u00e9 confi\u00e9e \u00e0 R\u00e9my Jaccaz, qui a men\u00e9 le projet en plusieurs phases structur\u00e9es.<br \/>La premi\u00e8re \u00e9tape a consist\u00e9 \u00e0 \u00e9laborer le m\u00e9canisme global du syst\u00e8me, suivi d\u2019une mod\u00e9lisation tridimensionnelle \u00e0 l\u2019aide d\u2019un logiciel de conception assist\u00e9e par ordinateur. Cette mod\u00e9lisation a permis d\u2019anticiper le comportement des pi\u00e8ces et d\u2019optimiser l\u2019architecture du dispositif.<br \/>Une seconde phase de validation num\u00e9rique a ensuite permis de v\u00e9rifier le bon fonctionnement de l\u2019assemblage, notamment le m\u00e9canisme de pliage destin\u00e9 \u00e0 faciliter le transport.<br \/>Apr\u00e8s cette validation, une nomenclature compl\u00e8te des composants a \u00e9t\u00e9 \u00e9tablie afin de lancer les commandes. Pendant l\u2019attente des pi\u00e8ces, les fichiers n\u00e9cessaires \u00e0 la fabrication assist\u00e9e par ordinateur ont \u00e9t\u00e9 pr\u00e9par\u00e9s pour l\u2019usinage sur fraiseuse num\u00e9rique.<br \/>La fabrication proprement dite a mobilis\u00e9 plusieurs techniques : fraisage, tournage, d\u00e9coupe, per\u00e7age et impression 3D. Enfin, l\u2019assemblage final a \u00e9t\u00e9 r\u00e9alis\u00e9, suivi d\u2019une s\u00e9rie de tests destin\u00e9s \u00e0 garantir que le syst\u00e8me fonctionne conform\u00e9ment aux attentes avant sa livraison.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-179ab1f e-flex e-con-boxed e-con e-parent\" data-id=\"179ab1f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db402ad elementor-widget elementor-widget-heading\" data-id=\"db402ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Une cha\u00eene d\u2019acquisition \u00e9lectronique performante<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a97c348 e-flex e-con-boxed e-con e-parent\" data-id=\"a97c348\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1c57817 e-con-full e-flex e-con e-child\" data-id=\"1c57817\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0481b98 elementor-widget elementor-widget-image\" data-id=\"0481b98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"684\" height=\"1024\" src=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-684x1024.jpg\" class=\"attachment-large size-large wp-image-15121\" alt=\"\" srcset=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-684x1024.jpg 684w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-200x300.jpg 200w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-768x1150.jpg 768w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-1025x1536.jpg 1025w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-1367x2048.jpg 1367w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-401x600.jpg 401w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-374x560.jpg 374w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0486-scaled.jpg 1709w\" sizes=\"(max-width: 684px) 100vw, 684px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ba21b1b e-con-full e-flex e-con e-child\" data-id=\"ba21b1b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e18f731 elementor-widget elementor-widget-image\" data-id=\"e18f731\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"684\" height=\"1024\" src=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-684x1024.jpg\" class=\"attachment-large size-large wp-image-15122\" alt=\"\" srcset=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-684x1024.jpg 684w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-200x300.jpg 200w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-768x1150.jpg 768w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-1025x1536.jpg 1025w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-1367x2048.jpg 1367w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-401x600.jpg 401w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-374x560.jpg 374w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0483-scaled.jpg 1709w\" sizes=\"(max-width: 684px) 100vw, 684px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f0ef4f3 e-con-full e-flex e-con e-child\" data-id=\"f0ef4f3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-21f9c37 elementor-widget elementor-widget-text-editor\" data-id=\"21f9c37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La partie \u00e9lectronique, d\u00e9velopp\u00e9e par Sylvain Geranton et Elfrich Gonzalez Arevalo, vise \u00e0 obtenir une mesure pr\u00e9cise et rapide des vibrations.<br \/>Dans un premier temps, l\u2019architecture propos\u00e9e initialement a \u00e9t\u00e9 \u00e9tudi\u00e9e et optimis\u00e9e afin d\u2019am\u00e9liorer la qualit\u00e9 de l\u2019acquisition. Les concepteurs ont retenu l\u2019utilisation d\u2019un capteur pi\u00e9zo\u00e9lectrique coupl\u00e9 \u00e0 une interface capable de transmettre les donn\u00e9es vers une application temps r\u00e9el sur ordinateur.<br \/>Le c\u0153ur du syst\u00e8me repose sur un amplificateur d\u2019instrumentation \u00e0 gain r\u00e9glable. Celui-ci amplifie le signal issu du capteur avant son passage dans un convertisseur analogique-num\u00e9rique. Cette \u00e9tape est essentielle : elle permet de transformer le signal analogique en donn\u00e9es exploitables par le microcontr\u00f4leur et l\u2019ordinateur, sans perte d\u2019information ni latence perceptible.<br \/>Deux prototypes ont \u00e9t\u00e9 r\u00e9alis\u00e9s et test\u00e9s avec succ\u00e8s. Une fois valid\u00e9, le module \u00e9lectronique a \u00e9t\u00e9 int\u00e9gr\u00e9 au dispositif m\u00e9canique. Le microcontr\u00f4leur a \u00e9t\u00e9 programm\u00e9 pour effectuer des acquisitions \u00e0 une fr\u00e9quence de 500 Hz, ce qui assure un suivi fin des vibrations. Les donn\u00e9es \u00e9chantillonn\u00e9es sont ensuite transmises via une liaison USB vers le PC.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c42501a e-flex e-con-boxed e-con e-parent\" data-id=\"c42501a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ae9db6 elementor-widget elementor-widget-heading\" data-id=\"6ae9db6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Une interface graphique pour visualiser et exploiter les donn\u00e9es<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-71ac961 e-flex e-con-boxed e-con e-parent\" data-id=\"71ac961\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0402759 elementor-widget elementor-widget-image\" data-id=\"0402759\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-1024x684.jpg\" class=\"attachment-large size-large wp-image-15124\" alt=\"\" srcset=\"https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-1024x684.jpg 1024w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-300x200.jpg 300w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-768x513.jpg 768w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-1536x1025.jpg 1536w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-2048x1367.jpg 2048w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-600x401.jpg 600w, https:\/\/www.gipsa-lab.grenoble-inp.fr\/wp-content\/uploads\/2026\/03\/DSC_0532-1-560x374.jpg 560w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Cr\u00e9dit photo Gabriel Buche GIPSA-lab<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da0598b e-flex e-con-boxed e-con e-parent\" data-id=\"da0598b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b63ab1f elementor-widget elementor-widget-text-editor\" data-id=\"b63ab1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Le syst\u00e8me s\u2019accompagne d\u2019une interface graphique permettant d\u2019observer les d\u00e9formations m\u00e9caniques en temps r\u00e9el.<br \/>Le premier objectif est la visualisation instantan\u00e9e des vibrations sous forme de courbes. Un premier champ d\u2019affichage pr\u00e9sente le signal en fonction du temps (en secondes), tandis qu\u2019un second conserve l\u2019historique des mesures pour analyser l\u2019\u00e9volution du ph\u00e9nom\u00e8ne.<br \/>Le second objectif consiste \u00e0 enregistrer les donn\u00e9es en temps r\u00e9el afin de permettre leur exploitation ult\u00e9rieure : analyse fr\u00e9quentielle, filtrage, comparaison d\u2019exp\u00e9riences ou encore travaux p\u00e9dagogiques.<br \/>L\u2019interface a \u00e9t\u00e9 cr\u00e9\u00e9e en Qt5 Designer, les actions (\u00ab events \u00bb en Anglais) de l\u2019interface graphique ont \u00e9t\u00e9 cod\u00e9es en Python et PyQt. L\u2019outil Pyuic5, a permis le passage de l\u2019interface en Qt5 (C++) vers du code en Python. Cette interface utilise le protocole USB vers RS-232 pour la transmission des donn\u00e9es. Les outils de d\u00e9veloppement ont \u00e9t\u00e9 Visual Studio Code 1.110.0, PyQt5, Qt5 Designer et Python 3.13.12.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9e491af e-flex e-con-boxed e-con e-parent\" data-id=\"9e491af\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8b8f309 elementor-widget elementor-widget-heading\" data-id=\"8b8f309\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Un outil scientifique accessible et reproductible<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-33331a4 e-flex e-con-boxed e-con e-parent\" data-id=\"33331a4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb5eeeb elementor-widget elementor-widget-text-editor\" data-id=\"bb5eeeb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Ce d\u00e9monstrateur a \u00e9t\u00e9 pens\u00e9 dans une logique d\u2019accessibilit\u00e9 et de reproductibilit\u00e9. Son co\u00fbt limit\u00e9, sa transportabilit\u00e9 et la disponibilit\u00e9 des solutions techniques employ\u00e9es favorisent sa reproduction par d\u2019autres \u00e9tablissements ou \u00e9quipes p\u00e9dagogiques.<br \/>En r\u00e9unissant m\u00e9canique, \u00e9lectronique, informatique, physique et traitement du signal, ce dispositif constitue un exemple remarquable d\u2019approche pluridisciplinaire. Il permet non seulement d\u2019illustrer concr\u00e8tement des concepts abstraits, mais aussi de susciter la curiosit\u00e9 scientifique \u2014 de la vibration d\u2019une membrane aux collisions titanesques de trous noirs dans l\u2019Univers.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cc7cc79 e-flex e-con-boxed e-con e-parent\" data-id=\"cc7cc79\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-257d1ecb e-con-full e-flex e-con e-child\" data-id=\"257d1ecb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6b5021d0 e-con-full e-flex e-con e-child\" data-id=\"6b5021d0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c83d0cc elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"3c83d0cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-readme\" viewBox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M528.3 46.5H388.5c-48.1 0-89.9 33.3-100.4 80.3-10.6-47-52.3-80.3-100.4-80.3H48c-26.5 0-48 21.5-48 48v245.8c0 26.5 21.5 48 48 48h89.7c102.2 0 132.7 24.4 147.3 75 .7 2.8 5.2 2.8 6 0 14.7-50.6 45.2-75 147.3-75H528c26.5 0 48-21.5 48-48V94.6c0-26.4-21.3-47.9-47.7-48.1zM242 311.9c0 1.9-1.5 3.5-3.5 3.5H78.2c-1.9 0-3.5-1.5-3.5-3.5V289c0-1.9 1.5-3.5 3.5-3.5h160.4c1.9 0 3.5 1.5 3.5 3.5v22.9zm0-60.9c0 1.9-1.5 3.5-3.5 3.5H78.2c-1.9 0-3.5-1.5-3.5-3.5v-22.9c0-1.9 1.5-3.5 3.5-3.5h160.4c1.9 0 3.5 1.5 3.5 3.5V251zm0-60.9c0 1.9-1.5 3.5-3.5 3.5H78.2c-1.9 0-3.5-1.5-3.5-3.5v-22.9c0-1.9 1.5-3.5 3.5-3.5h160.4c1.9 0 3.5 1.5 3.5 3.5v22.9zm259.3 121.7c0 1.9-1.5 3.5-3.5 3.5H337.5c-1.9 0-3.5-1.5-3.5-3.5v-22.9c0-1.9 1.5-3.5 3.5-3.5h160.4c1.9 0 3.5 1.5 3.5 3.5v22.9zm0-60.9c0 1.9-1.5 3.5-3.5 3.5H337.5c-1.9 0-3.5-1.5-3.5-3.5V228c0-1.9 1.5-3.5 3.5-3.5h160.4c1.9 0 3.5 1.5 3.5 3.5v22.9zm0-60.9c0 1.9-1.5 3.5-3.5 3.5H337.5c-1.9 0-3.5-1.5-3.5-3.5v-22.8c0-1.9 1.5-3.5 3.5-3.5h160.4c1.9 0 3.5 1.5 3.5 3.5V190z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tEn savoir plus\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2ed92e0d e-con-full e-flex e-con e-child\" data-id=\"2ed92e0d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-21fd383b elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"21fd383b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/echosciences.nouvelle-aquitaine.science\/evenements\/dernieres-nouvelles-du-cosmos-2\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Lisez l'article \u00ab De bonnes ondes du cosmos jusque dans les salles de classe \u00bb paru dans ECHOSCIENCES Grenoble et sur le Site web d\u00e9l\u00e9gation Alpes<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Un d\u00e9monstrateur \u00e0 vis\u00e9e p\u00e9dagogique Le d\u00e9monstrateur p\u00e9dagogique \u00ab Signal et Ondes gravitationnelles \u00bb \u00e9labor\u00e9 dans le cadre dans le cadre de l\u2019ANR Ricochet par Nicolas LE BIHAN et Pierre GRANJON est con\u00e7u pour illustrer les concepts de \u00ab\u00a0mesure de vibrations\u00a0\u00bb et de \u00ab\u00a0traitement des signaux vibratoires\u00a0\u00bb. Il permet de g\u00e9n\u00e9rer des vibrations se propageant [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":15514,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[73],"tags":[],"class_list":["post-15115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communique"],"lang":"fr","translations":{"fr":15115},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=\/wp\/v2\/posts\/15115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15115"}],"version-history":[{"count":16,"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=\/wp\/v2\/posts\/15115\/revisions"}],"predecessor-version":[{"id":19953,"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=\/wp\/v2\/posts\/15115\/revisions\/19953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=\/wp\/v2\/media\/15514"}],"wp:attachment":[{"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gipsa-lab.grenoble-inp.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}