{"id":810,"date":"2020-02-18T09:59:07","date_gmt":"2020-02-18T09:59:07","guid":{"rendered":"http:\/\/box5154.temp.domains\/~rbteccom\/?page_id=810"},"modified":"2024-05-29T18:09:44","modified_gmt":"2024-05-29T22:09:44","slug":"vad-ar-distribuerad-akustisk-avkanning-das","status":"publish","type":"page","link":"https:\/\/www.rbtec.com\/sv\/perimetersensorer-och-underjordiskt-skydd\/produkter-for-detektering-av-intrang-i-stangsel\/raysense-fiberoptiskt-sakerhetssystem-for-perimeterstangsel\/vad-ar-distribuerad-akustisk-avkanning-das\/","title":{"rendered":"FAQ RaySense kabel f\u00f6r fiberoptisk sensor"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div      class=\"vc_row wpb_row section vc_row-fluid  grid_section\" style='background-color:#ffffff; padding-top:45px; padding-bottom:45px; text-align:left;'><div class=\"section_inner clearfix\"><div class='section_inner_margin clearfix'><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h1 style=\"text-align: center;\">Vanliga fr\u00e5gor och svar om RaySense distribuerade akustiska sensor (DAS)<\/h1>\n\n\t\t<\/div> \n\t<\/div> \t<div class=\"vc_empty_space\"  style=\"height: 25px\" ><span\n\t\t\tclass=\"vc_empty_space_inner\">\n\t\t\t<span class=\"empty_space_image\"  ><\/span>\n\t\t<\/span><\/div>\n\n\n\t<div class=\"wpb_video_widget wpb_content_element vc_clearfix   vc_video-aspect-ratio-169 vc_video-el-width-90 vc_video-align-center\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2 class=\"wpb_heading wpb_video_heading\">Demonstrationsvideo av RaySense-systemet och dess kapacitet<\/h2>\n\t\t\t<div class=\"wpb_video_wrapper\"><iframe title=\"AI Fiber Optic Sensing - RaySense DAS Fiber Optic Security System\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/jZGhoieX-UY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><div      class=\"vc_row wpb_row section vc_row-fluid  vc_custom_1717020438228 grid_section\" style='background-color:#ffffff; padding-top:45px; padding-bottom:45px; text-align:left;'><div class=\"section_inner clearfix\"><div class='section_inner_margin clearfix'><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element  vc_custom_1717020286483\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2 style=\"text-align: center;\">Vad \u00e4r DAS (Distributed Acoustic Sensing)?<\/h2>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><\/div><\/div><\/div><div      class=\"vc_row wpb_row section vc_row-fluid  vc_custom_1717020514691 grid_section\" style='background-color:#ffffff; padding-top:45px; padding-bottom:45px; text-align:left;'><div class=\"section_inner clearfix\"><div class='section_inner_margin clearfix'><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element  vc_custom_1717020483915\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p style=\"text-align: left;\"><strong>Distribuerad akustisk avk\u00e4nning (DAS)<\/strong> \u00e4r en banbrytande teknik som omvandlar optiska standardfibrer till en omfattande upps\u00e4ttning av mycket k\u00e4nsliga akustiska sensorer. Genom att utnyttja befintliga fiberoptiska kablar ger DAS kontinuerlig akustisk data i realtid \u00f6ver stora avst\u00e5nd, vilket ger o\u00f6vertr\u00e4ffad precision och tillf\u00f6rlitlighet. I den h\u00e4r artikeln g\u00e5r vi n\u00e4rmare in p\u00e5 DAS, dess olika till\u00e4mpningar och dess m\u00e5nga f\u00f6rdelar, och visar varf\u00f6r den ligger i framkant n\u00e4r det g\u00e4ller modern sensorteknik.<\/p>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><\/div><\/div><\/div><div      class=\"vc_row wpb_row section vc_row-fluid  vc_custom_1717020416253 grid_section\" style='background-color:#ffffff; padding-top:45px; padding-bottom:45px; text-align:left;'><div class=\"section_inner clearfix\"><div class='section_inner_margin clearfix'><div class=\"wpb_column vc_column_container vc_col-sm-6\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h4>Hur distribuerad akustisk avk\u00e4nning (DAS) fungerar<\/h4>\n<ol>\n<li><strong>Utnyttja optisk fiber<\/strong>: K\u00e4rnan i DAS-tekniken \u00e4r optiska standardfibrer f\u00f6r telekommunikation, som redan anv\u00e4nds i stor utstr\u00e4ckning och \u00e4r l\u00e4tta att installera i olika milj\u00f6er. Dessa fibrer anv\u00e4nds normalt f\u00f6r data\u00f6verf\u00f6ring men kan utan modifieringar anv\u00e4ndas f\u00f6r akustisk avk\u00e4nning.<\/li>\n<li><strong>Laserpulsteknik<\/strong>: En laserpuls, som genereras av en DAS interrogator-enhet, s\u00e4nds genom den optiska fibern. N\u00e4r pulsen fortplantar sig l\u00e4ngs fibern interagerar den med de sm\u00e5 defekterna och variationerna i fiberns glasstruktur.<\/li>\n<li><strong>Backscatter-fenomenet<\/strong>: Dessa interaktioner g\u00f6r att en liten del av ljuset sprids tillbaka mot interrogatorenheten i en process som kallas Rayleigh-spridning. M\u00f6nstret f\u00f6r detta bak\u00e5tspridda ljus inneh\u00e5ller kritisk information om vibrationerna och de akustiska signalerna l\u00e4ngs fibern.<\/li>\n<li><strong>Avancerad signalbehandling<\/strong>: DAS interrogator-enheten analyserar det bak\u00e5tspridda ljuset f\u00f6r att uppt\u00e4cka f\u00f6r\u00e4ndringar som induceras av akustiska vibrationer. Genom att exakt m\u00e4ta den tid det tar f\u00f6r det bak\u00e5tspridda ljuset att \u00e5terv\u00e4nda kan systemet exakt best\u00e4mma platsen f\u00f6r och arten av dessa f\u00f6r\u00e4ndringar l\u00e4ngs fibern.<\/li>\n<li><strong>Generering av akustiska data<\/strong>: Variationerna i det bak\u00e5tspridda ljuset motsvarar de akustiska signaler som interagerar med fibern. Avancerade algoritmer bearbetar dessa data f\u00f6r att producera detaljerad information om den akustiska milj\u00f6n, vilket g\u00f6r det m\u00f6jligt att uppt\u00e4cka specifika h\u00e4ndelser och f\u00f6rh\u00e5llanden.<\/li>\n<\/ol>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-6\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h4>Till\u00e4mpningar av distribuerad akustisk avk\u00e4nning (DAS)<\/h4>\n<ol>\n<li><strong>Seismisk \u00f6vervakning<\/strong>: DAS-tekniken anv\u00e4nds inom olje- och gasindustrin f\u00f6r att genomf\u00f6ra seismiska unders\u00f6kningar. Den m\u00f6jligg\u00f6r uppt\u00e4ckt och kartl\u00e4ggning av underjordiska resurser och ger kontinuerlig \u00f6vervakning av integriteten hos brunnar och r\u00f6rledningar. Denna f\u00f6rm\u00e5ga \u00e4r avg\u00f6rande f\u00f6r att f\u00f6rhindra l\u00e4ckage och andra potentiella faror.<\/li>\n<li><strong>\u00d6vervakning av infrastruktur<\/strong>: DAS anv\u00e4nds ofta f\u00f6r att \u00f6vervaka tillst\u00e5ndet hos kritisk infrastruktur som r\u00f6rledningar, j\u00e4rnv\u00e4gar och broar. Genom att detektera vibrationer och r\u00f6relser kan DAS identifiera potentiella problem som l\u00e4ckage, strukturella svagheter och obeh\u00f6riga aktiviteter, vilket m\u00f6jligg\u00f6r underh\u00e5ll och ingripande i r\u00e4tt tid.<\/li>\n<li><strong>S\u00e4kerhet och \u00f6vervakning<\/strong>: DAS erbjuder en effektiv l\u00f6sning f\u00f6r perimeters\u00e4kerhet i k\u00e4nsliga omr\u00e5den, inklusive gr\u00e4nser, milit\u00e4ra installationer och kritiska anl\u00e4ggningar. Tekniken kan uppt\u00e4cka och lokalisera intr\u00e5ng genom att k\u00e4nna av fotsteg, fordonsr\u00f6relser och andra st\u00f6rningar, vilket ger ett robust s\u00e4kerhetslager.<\/li>\n<li><strong>Milj\u00f6\u00f6vervakning<\/strong>: DAS spelar en viktig roll i milj\u00f6studier genom att \u00f6vervaka naturfenomen som jordb\u00e4vningar, jordskred och aktiviteter under markytan i realtid. Dessa realtidsdata \u00e4r ov\u00e4rderliga f\u00f6r system f\u00f6r tidig varning och strategier f\u00f6r katastrofinsatser.<\/li>\n<li><strong>\u00d6vervakning av trafik<\/strong>: DAS-system placeras ut l\u00e4ngs v\u00e4garna f\u00f6r att \u00f6vervaka trafikfl\u00f6det, fordonshastigheter och vilka typer av fordon som passerar, baserat p\u00e5 deras akustiska signaturer. Denna till\u00e4mpning underl\u00e4ttar trafikledning, minskning av trafikstockningar och planering av transportinfrastruktur.<\/li>\n<\/ol>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><\/div><\/div><\/div><div      class=\"vc_row wpb_row section vc_row-fluid  vc_custom_1717020560973 grid_section\" style='background-color:#ffffff; padding-top:45px; padding-bottom:45px; text-align:left;'><div class=\"section_inner clearfix\"><div class='section_inner_margin clearfix'><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h4>Till\u00e4mpningar av distribuerad akustisk avk\u00e4nning (DAS)<\/h4>\n<ol>\n<li><strong>Seismisk \u00f6vervakning<\/strong>: DAS-tekniken anv\u00e4nds inom olje- och gasindustrin f\u00f6r att genomf\u00f6ra seismiska unders\u00f6kningar. Den m\u00f6jligg\u00f6r uppt\u00e4ckt och kartl\u00e4ggning av underjordiska resurser och ger kontinuerlig \u00f6vervakning av integriteten hos brunnar och r\u00f6rledningar. Denna f\u00f6rm\u00e5ga \u00e4r avg\u00f6rande f\u00f6r att f\u00f6rhindra l\u00e4ckage och andra potentiella faror.<\/li>\n<li><strong>\u00d6vervakning av infrastruktur<\/strong>: DAS anv\u00e4nds ofta f\u00f6r att \u00f6vervaka tillst\u00e5ndet hos kritisk infrastruktur som r\u00f6rledningar, j\u00e4rnv\u00e4gar och broar. Genom att detektera vibrationer och r\u00f6relser kan DAS identifiera potentiella problem som l\u00e4ckage, strukturella svagheter och obeh\u00f6riga aktiviteter, vilket m\u00f6jligg\u00f6r underh\u00e5ll och ingripande i r\u00e4tt tid.<\/li>\n<li><strong>S\u00e4kerhet och \u00f6vervakning<\/strong>: DAS erbjuder en effektiv l\u00f6sning f\u00f6r perimeters\u00e4kerhet i k\u00e4nsliga omr\u00e5den, inklusive gr\u00e4nser, milit\u00e4ra installationer och kritiska anl\u00e4ggningar. Tekniken kan uppt\u00e4cka och lokalisera intr\u00e5ng genom att k\u00e4nna av fotsteg, fordonsr\u00f6relser och andra st\u00f6rningar, vilket ger ett robust s\u00e4kerhetslager.<\/li>\n<li><strong>Milj\u00f6\u00f6vervakning<\/strong>: DAS spelar en viktig roll i milj\u00f6studier genom att \u00f6vervaka naturfenomen som jordb\u00e4vningar, jordskred och aktiviteter under markytan i realtid. Dessa realtidsdata \u00e4r ov\u00e4rderliga f\u00f6r system f\u00f6r tidig varning och strategier f\u00f6r katastrofinsatser.<\/li>\n<li><strong>\u00d6vervakning av trafik<\/strong>: DAS-system placeras ut l\u00e4ngs v\u00e4garna f\u00f6r att \u00f6vervaka trafikfl\u00f6det, fordonshastigheter och vilka typer av fordon som passerar, baserat p\u00e5 deras akustiska signaturer. Denna till\u00e4mpning underl\u00e4ttar trafikledning, minskning av trafikstockningar och planering av transportinfrastruktur.<\/li>\n<\/ol>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><\/div><\/div><\/div><div      class=\"vc_row wpb_row section vc_row-fluid  grid_section\" style='background-color:#ffffff; padding-top:45px; padding-bottom:45px; text-align:left;'><div class=\"section_inner clearfix\"><div class='section_inner_margin clearfix'><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"qode-accordion-holder clearfix qode-accordion qode-initial\">\n\t<h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Vilka delar inneh\u00e5ller ett fiberoptiskt system?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>RaySense-fiberoptiska s\u00e4kerhetssystem inneh\u00e5ller vanligtvis sensorkabel i \u00f6nskad l\u00e4ngd, slutlinjenhet och laserenhet \/ server (APU). Andra tillbeh\u00f6r \u00e4r valfria och m\u00e5ste l\u00e4ggas till separat.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Hur l\u00e5ng staket eller mark kan RaySense-systemet \u00f6vervaka?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Den maximala l\u00e4ngden \u00e4r 100 km men RaySense-produktfamiljen s\u00e4ljs i 1 eller 2 kanaler och varje kanal kan \u00f6vervaka 5 km till 100 km.<br \/>\nF\u00f6r att t\u00e4cka en l\u00e4ngre perimeter kan flera system (APU) kombineras f\u00f6r att t\u00e4cka hela perimeterlinjen.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Vad h\u00e4nder om sensorkabeln klipps eller g\u00e5r s\u00f6nder?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Om den fiberoptiska sensorkabeln kapas utl\u00f6ses ett larm p\u00e5 den exakta platsen f\u00f6r kapningen eller felet. RaySense DAS-system detekterar \u00e4ven upp till platsen f\u00f6r avbrottet. Om systemet installeras i en 2-kanalig redundant konfiguration som \u00e4r motst\u00e5ndskraftig mot kapning, kommer ingen signalf\u00f6rlust eller detektering att ske vid en enda kapning.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Hur exakt \u00e4r RaySense-detektorn?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Detektionsprestanda och detektionsnoggrannhet \u00e4r \u00b13 m (10 ft) p\u00e5 vanliga kedjel\u00e4nkst\u00e4ngsel. Tv\u00e5 st\u00f6rningar m\u00e5ste vara \u00e5tskilda med minst 20 meter (65 fot) f\u00f6r att rapporteras separat eftersom vibrationer p\u00e5 staketet kan f\u00e4rdas i sidled och p\u00e5verka en st\u00f6rre del av kabeln.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Kan sensorns k\u00e4nslighet justeras?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Ja, visst! RaySense artificiella intelligens (AI) g\u00f6r det mesta av jobbet! Men om det beh\u00f6vs finjusteringar finns det m\u00f6jlighet att st\u00e4lla in mjukvarutilldelbara och justerbara zoner. Varje zon kan ha sin egen k\u00e4nslighet och sina egna detekteringskarakt\u00e4rer.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Beh\u00f6ver systemet kalibrera innan jag kan anv\u00e4nda det?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>RaySense \u00e4r ett mycket sofistikerat system som kan detektera och analysera mycket l\u00e5nga kablar. En certifierad tekniker m\u00e5ste utf\u00f6ra en kalibreringsprocess f\u00f6r att anpassa systemets prestanda till varje plats.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Kan vind eller regn orsaka falska larm?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><strong>S\u00e5 fungerar RaySense-systemet:<\/strong> Distribuerade akustiska avk\u00e4nningssensorer (DAS) &quot;lyssnar&quot; p\u00e5 kabelakustiken och kan best\u00e4mma genom att j\u00e4mf\u00f6ra signalen med en stor databas med signaturer som hur den akustiska signaturen ser ut som klippning, kl\u00e4ttring, gr\u00e4vning, fordon och mer.<\/p>\n<p>Vibrationer orsakade av vind, regn och sm\u00e5 djur plockas vanligtvis inte upp av systemet eftersom de inte matchar databasen med akustiska signaturer som vi vill uppt\u00e4cka.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Kan RaySense fungera p\u00e5 n\u00e5gon fiberoptisk kabel?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>RaySense-systemet fungerar genom att \u00f6vervaka en vanlig fiberoptisk kabel med enkelmod. Det \u00e4r teoretiskt m\u00f6jligt att \u00f6vervaka vilken fiberoptisk kabel som helst, men av s\u00e4kerhetssk\u00e4l rekommenderas starkt att man anv\u00e4nder specialkabeln RBtec, som \u00e4r s\u00e4rskilt utformad f\u00f6r utomhusbruk, direkt nedgr\u00e4vning och s\u00e4kerhetsapplikationer. I situationer d\u00e4r kunden redan har en fiberoptisk kabel och inget annat alternativ finns tillg\u00e4ngligt \u00e4r det dock fortfarande m\u00f6jligt att anv\u00e4nda den.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><h4 class=\"clearfix qode-title-holder\">\n<span class=\"qode-tab-title\">\n\t    <span class=\"qode-tab-title-inner\">\n        Om kabeln blev kapad, kan den repareras?    <\/span>\n<\/span>\n<span class=\"qode-accordion-mark\">\n    <span class=\"qode-accordion-mark-icon\">\n        <span class=\"icon_plus\"><\/span>\n        <span class=\"icon_minus-06\"><\/span>\n    <\/span>\n<\/span>\n<\/h4>\n<div  class=\"qode-accordion-content\" >\n    <div class=\"qode-accordion-content-inner\">\n        \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><strong>ja! <\/strong>Liksom vilken fiberkabel som helst kan RaySense-kabeln repareras med en fusionsklyvning.<\/p>\n\n\t\t<\/div> \n\t<\/div>     <\/div>\n<\/div><\/div>\t<div class=\"vc_empty_space\"  style=\"height: 25px\" ><span\n\t\t\tclass=\"vc_empty_space_inner\">\n\t\t\t<span class=\"empty_space_image\"  ><\/span>\n\t\t<\/span><\/div>\n\n\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2 style=\"text-align: center;\">Har du andra fr\u00e5gor? v\u00e4nligen kontakta oss p\u00e5\u00a0<a href=\"mailto:Info@rbtec.com\">Info@rbtec.com<\/a><\/h2>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><\/div><\/div><\/div><div      class=\"vc_row wpb_row section vc_row-fluid\" style=' text-align:left;'><div class=\"full_section_inner clearfix\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Vanliga fr\u00e5gor och svar om RaySense distribuerade akustiska sensor (DAS) Demonstrationsvideo av RaySense-systemet och dess funktioner Vad \u00e4r distribuerad akustisk sensor (DAS)? Distributed Acoustic Sensing (DAS) \u00e4r en banbrytande teknik som omvandlar optiska standardfibrer till en omfattande upps\u00e4ttning av mycket k\u00e4nsliga...","protected":false},"author":1,"featured_media":0,"parent":566,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full_width.php","meta":{"footnotes":""},"class_list":["post-810","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Distributed Acoustic Sensing (DAS)? - RBtec Perimeter Security Systems<\/title>\n<meta name=\"description\" content=\"Discover the power of Distributed Acoustic Sensing (DAS), a revolutionary technology transforming standard optical fibers into sensitive acoustic sensors. Learn how DAS works, its diverse applications in seismic monitoring, infrastructure maintenance, security, environmental studies, and traffic management, and the numerous advantages it offers for real-time, extensive acoustic data collection. 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