{"id":434126,"date":"2023-10-09T17:52:47","date_gmt":"2023-10-09T15:52:47","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=434126"},"modified":"2023-10-09T17:52:47","modified_gmt":"2023-10-09T15:52:47","slug":"une-carte-de-detection-de-mouvement-qui-utilise-la-technologie-doppler-shift","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/une-carte-de-detection-de-mouvement-qui-utilise-la-technologie-doppler-shift\/","title":{"rendered":"Une carte de d\u00e9tection de mouvement qui utilise la technologie Doppler Shift"},"content":{"rendered":"<h3><span style=\"font-size: 16px;\"><a href=\"http:\/\/www.mikroe.com\">MikroElektronika<\/a> a introduit une nouvelle carte Click de d\u00e9tection de mouvement, pour faciliter le d\u00e9veloppement d\u2019applications pour les alarmes d\u2019intrusion, les portes automatiques, la d\u00e9tection de pr\u00e9sence, et bien plus encore.<\/span><\/h3>\n<p>La carte <a href=\"https:\/\/www.mikroe.com\/microwave-4-click\">Microwave 4 Click<\/a> utilise le ph\u00e9nom\u00e8ne Doppler Shift pour d\u00e9tecter le mouvement. Il est bas\u00e9 sur le PD-V12, un \u00e9metteur-r\u00e9cepteur micro-ondes miniature haute fr\u00e9quence de Ningbo Pdlux Electronic Technology. Ce capteur de mouvement est un module \u00e9metteur-r\u00e9cepteur Doppler bi-statique en bande K. Il est log\u00e9 dans un bo\u00eetier m\u00e9tallique et dispose d&rsquo;un oscillateur \u00e0 r\u00e9sonateur (CRO) int\u00e9gr\u00e9, offrant un fonctionnement stable tout en am\u00e9liorant sa capacit\u00e9 de r\u00e9ception du signal frontal et en r\u00e9duisant sa zone aveugle. Le Microwave 4 Click d\u00e9tecte le d\u00e9calage de fr\u00e9quence entre le signal \u00e9mis et le signal re\u00e7u r\u00e9fl\u00e9chi par un objet en mouvement dans le champ de vision de l&rsquo;\u00e9metteur-r\u00e9cepteur.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Changer facilement les p\u00e9riph\u00e9riques<\/strong><\/p>\n<p>Les \u00e9missions de puissance rayonn\u00e9e (EIRP) de &lt;3 mW au maximum sont conformes aux r\u00e9glementations FCC et CE. Les tensions dues au bruit au port de sortie mesur\u00e9es \u00e0 l\u2019int\u00e9rieur d\u2019une chambre an\u00e9cho\u00efque sont mesur\u00e9es de 10 Hz \u00e0 100 Hz. La force du signal re\u00e7u (RSS) est mesur\u00e9e avec une perte totale sur le trajet 1 voie de 70 dB. Le module utilise deux antennes (pour RX et TX) avec un gain maximum de 0 dBi et est con\u00e7u pour \u00eatre install\u00e9 de mani\u00e8re \u00e0 lui permettre de fonctionner \u00e0 moins de 20 cm des utilisateurs ou des personnes \u00e0 proximit\u00e9.<\/p>\n<p>Les cartes Click permettent aux ing\u00e9nieurs de conception de changer facilement les p\u00e9riph\u00e9riques, r\u00e9duisant ainsi le temps de d\u00e9veloppement de plusieurs mois. La norme de socket <a href=\"https:\/\/www.mikroe.com\/mikrobus\">mikroBUS<\/a> permet \u00e0 n&rsquo;importe quelle carte Click d&rsquo;\u00eatre instantan\u00e9ment connect\u00e9e au microcontr\u00f4leur ou au microprocesseur d&rsquo;une carte m\u00e8re. De nombreuses soci\u00e9t\u00e9s leader de microcontr\u00f4leurs, notamment Microchip, NXP, Infineon, Dialog, STM, Analog Devices, Renesas et Toshiba, incluent d\u00e9sormais le socket mikroBUS sur leurs cartes de d\u00e9veloppement.<\/p>\n<p><a href=\"http:\/\/www.mikroe.com\">www.mikroe.com<\/a><\/p>\n<p><u><a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\">Suivre ECInews sur Google news<\/a><\/u><\/p>\n","protected":false},"excerpt":{"rendered":"<p>MikroElektronika a introduit une nouvelle carte Click de d\u00e9tection de mouvement, pour faciliter le d\u00e9veloppement d\u2019applications pour les alarmes d\u2019intrusion, les portes automatiques, la d\u00e9tection de pr\u00e9sence, et bien plus encore. La carte Microwave 4 Click utilise le ph\u00e9nom\u00e8ne Doppler Shift pour d\u00e9tecter le mouvement. Il est bas\u00e9 sur le PD-V12, un \u00e9metteur-r\u00e9cepteur micro-ondes miniature [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":434127,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[894],"domains":[47],"ppma_author":[1154],"class_list":["post-434126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-boards-embedded-cards-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Une carte de d\u00e9tection de mouvement qui utilise la technologie...<\/title>\n<meta name=\"description\" content=\"MikroElektronika a introduit une nouvelle carte Click de d\u00e9tection de mouvement, pour faciliter le d\u00e9veloppement d\u2019applications pour les alarmes...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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