{"id":611803,"date":"2024-11-05T22:57:38","date_gmt":"2024-11-05T22:57:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-28902-12012\/"},"modified":"2024-11-05T22:57:38","modified_gmt":"2024-11-05T22:57:38","slug":"iso-28902-12012","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-28902-12012\/","title":{"rendered":"ISO 28902-1:2012"},"content":{"rendered":"<p>La pr\u00e9sente partie de l&#039;ISO 28902 sp\u00e9cifie principalement les exigences relatives aux mesurages lidar de la<\/p>\n<p>port\u00e9e visuelle pour la d\u00e9termination de la port\u00e9e optique m\u00e9t\u00e9orologique (POM) dans diverses directions. Le<\/p>\n<p>terme \u00ablidar pour port\u00e9e visuelle\u00bb est utilis\u00e9 dans la pr\u00e9sente partie de l&#039;ISO 28902 pour d\u00e9signer les syst\u00e8mes<\/p>\n<p>lidar qui effectuent le mesurage de la port\u00e9e visuelle, commun\u00e9ment appel\u00e9 aussi mesurage de la visibilit\u00e9.<\/p>\n<p>En raison d&#039;approximations physiques, la d\u00e9termination quantitative de la port\u00e9e optique m\u00e9t\u00e9orologique est<\/p>\n<p>limit\u00e9e \u00e0 une plage comprise entre 30 m et 2 000 m. Pour cette plage, la pr\u00e9sente partie de l&#039;ISO 28902<\/p>\n<p>sp\u00e9cifie la performance des syst\u00e8mes lidar pour port\u00e9e visuelle utilisant la m\u00e9thode d&#039;int\u00e9gration de la port\u00e9e<\/p>\n<p>visuelle bas\u00e9e sur l&#039;extinction de lumi\u00e8re. Les param\u00e8tres suivants peuvent \u00eatre calcul\u00e9s d&#039;apr\u00e8s la port\u00e9e<\/p>\n<p>optique m\u00e9t\u00e9orologique dans diverses directions:<\/p>\n<p>a) port\u00e9e visuelle horizontale;<\/p>\n<p>b) port\u00e9e visuelle verticale;<\/p>\n<p>c) port\u00e9e visuelle oblique.<\/p>\n<p>NOTE Les mesurages de visibilit\u00e9 sont fortement li\u00e9s aux d\u00e9finitions historiques de visibilit\u00e9, elles-m\u00eames associ\u00e9es<\/p>\n<p>\u00e0 des observateurs humains. La technique lidar \u00e9tend les d\u00e9finitions \u00e0 plusieurs conditions telles que les conditions de<\/p>\n<p>lumi\u00e8re du jour et de nuit.<\/p>\n<p>De plus, ce principe de mesurage permet \u00e0 l&#039;utilisateur d&#039;obtenir des informations relatives \u00e0 la hauteur de<\/p>\n<p>la base des nuages, la hauteur de la couche limite, aux bancs de brouillard et aux profils d&#039;a\u00e9rosols gr\u00e2ce<\/p>\n<p>\u00e0 l&#039;att\u00e9nuation du signal par la vapeur d&#039;eau et\/ou les a\u00e9rosols. L&#039;Annexe C donne des exemples de ces<\/p>\n<p>applications.<\/p>\n<p>La pr\u00e9sente partie de l&#039;ISO 28902 peut \u00eatre appliqu\u00e9e dans les domaines suivants:<\/p>\n<p>\u2014 stations m\u00e9t\u00e9orologiques;<\/p>\n<p>\u2014 a\u00e9roports;<\/p>\n<p>\u2014 ports;<\/p>\n<p>\u2014 voies navigables;<\/p>\n<p>\u2014 routes et autoroutes;<\/p>\n<p>\u2014 automobile;<\/p>\n<p>\u2014 plates-formes p\u00e9troli\u00e8res.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Qualit\u00e9 de l&#8217;air \u2014 M\u00e9t\u00e9orologie de l&#8217;environnement \u2014 Partie 1: T\u00e9l\u00e9d\u00e9tection de la port\u00e9e visuelle par lidar bas\u00e9e sur le sol<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2012-01<\/td>\n<td>40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":611816,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[118,208,2634],"product_tag":[],"class_list":{"0":"post-611803","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-07-060","7":"product_cat-13-040-99","8":"product_cat-iso","10":"first","11":"instock","12":"sold-individually","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/611803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/611816"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=611803"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=611803"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=611803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}