{"id":524,"date":"2021-06-28T16:31:10","date_gmt":"2021-06-28T14:31:10","guid":{"rendered":"https:\/\/graphonautedelespace.fr\/?p=524"},"modified":"2021-06-28T16:34:25","modified_gmt":"2021-06-28T14:34:25","slug":"episode-6-segment-sol-dune-mission-spatiale","status":"publish","type":"post","link":"https:\/\/graphonautedelespace.fr\/?p=524","title":{"rendered":"[EPISODE 6] Segment sol d’une mission spatiale"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.8.2″ background_color=”#FFFFFF” background_enable_image=”off” custom_margin=”|||” custom_padding=”0px|||||”][et_pb_row _builder_version=”4.8.2″ _module_preset=”default” positioning=”none” position_origin_r=”top_right” z_index=”0″ width=”100%” max_width=”1902px” custom_padding=”0px|||||”][et_pb_column type=”4_4″ _builder_version=”4.8.2″ _module_preset=”default”][et_pb_image src=”https:\/\/web.archive.org\/web\/20181213183325im_\/http:\/\/scenario-terre.space\/wp-content\/uploads\/2018\/01\/banniere-S5-fb.png” _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=”Ligne” _builder_version=”4.8.2″ _module_preset=”default”][et_pb_column type=”4_4″ _builder_version=”4.8.2″ _module_preset=”default”][et_pb_blurb title=”%91EPISODE 6%93 Spin-off lunaire” use_icon=”on” font_icon=”%%103%%” icon_color=”rgba(0,0,0,0.61)” use_circle=”on” circle_color=”rgba(0,0,0,0.16)” use_icon_font_size=”on” icon_font_size=”30px” _builder_version=”4.8.2″ _module_preset=”default” header_font=”Trebuchet|300|||||||” text_orientation=”center”][\/et_pb_blurb][et_pb_text _builder_version=”4.8.2″ _module_preset=”default” text_font=”Trebuchet||||||||” text_text_color=”#FFFFFF” header_font=”Nasalization||||||||” header_text_align=”center” header_text_color=”#ffffff” header_font_size=”50px” text_orientation=”center”]<\/p>\n

<\/em>Segment sol d’une mission spatiale
<\/em><\/span><\/h1>\n

[\/et_pb_text][et_pb_divider color=”#000000″ _builder_version=”4.8.2″ _module_preset=”default” width=”21%” module_alignment=”center”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.8.2″ _module_preset=”default”][et_pb_column type=”4_4″ _builder_version=”4.8.2″ _module_preset=”default”][et_pb_text _builder_version=”4.8.2″ _module_preset=”default” text_font=”Trebuchet||||||||”]<\/p>\n

Dans le cadre d\u2019une mission spatiale, le Segment Sol est l\u2019organisation humaine et mate\u0301rielle localise\u0301e sur le sol dont une partie est en relation avec le satellite en orbite et l\u2019autre traite les donn\u00e9es re\u00e7ues.<\/strong><\/p>\n

Le Segment Sol (Ground Segment en anglais) exploite l\u2019instrument d\u2019observation dans le satellite : il planifie, programme et transmet le planning des observations, puis re\u0301ceptionne les donne\u0301es mesure\u0301es par l\u2019instrument. Le Segment Sol traite \u00e9galement les donne\u0301es (notamment les e\u0301talonne), les analyse, les archive, et les transmet a\u0300 la communaute\u0301 scientifique pertinente.<\/p>\n

[\/et_pb_text][et_pb_image src=”https:\/\/scenarioterre.files.wordpress.com\/2017\/09\/view_of_esoc_main_building_node_full_image_2.jpg” _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][et_pb_text _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n

Vue du b\u00e2timent principal de l\u2019ESOC, le centre des op\u00e9rations de l\u2019Agence spatiale europ\u00e9enne. <\/em>
L\u2019ESOC est situ\u00e9 \u00e0 Darmstadt, en Allemagne.<\/em><\/p>\n

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Par conse\u0301quent, le Segment Sol est ce qui assure la transduction des donne\u0301es au travers d\u2019un enchai\u0302nement complexe d\u2019ope\u0301rations. Cette de\u0301finition ope\u0301ratoire englobe la de\u0301finition du segment sol la plus commune\u0301ment apporte\u0301e par les sites des missions spatiales qui insiste sur les moyens qui le constituent. Ainsi, on peut lire que \u00ab le Segment Sol regroupe l\u2019ensemble des moyens sol ne\u0301cessaires a\u0300 l\u2019envoi et a\u0300 la re\u0301ception des informations e\u0301change\u0301es avec le satellite et aux traitements des donne\u0301es rec\u0327ues.\u00bb<\/em><\/p>\n

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Une telle de\u0301finition est cependant lacunaire au sens ou\u0300 elle ne rend pas compte de la dimension humaine et organisationnelle du segment sol, ni ne rend compte de sa fonction essentielle ; le fait qu\u2019il soit en charge de l\u2019envoi et de la re\u0301ception des donne\u0301es n\u2019indique pas en effet son but scientifique.<\/p>\n

[\/et_pb_text][et_pb_image src=”https:\/\/scenarioterre.files.wordpress.com\/2017\/09\/herschel.png?w=1000″ _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][et_pb_text _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n

Premi\u00e8re image de l\u2019observatoire spatial Herschel g\u00e9n\u00e9r\u00e9e \u00e0 partir des donn\u00e9es re\u00e7ues et trait\u00e9es par le Segment Sol de l\u2019instrument PACS sur Herschel.<\/em><\/p>\n

<\/em><\/p>\n

<\/em><\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n

Voici comment le Segment Sol pour l\u2019instrument MIRIM sur le futur James Webb Space Telescope est envisag\u00e9 :<\/p>\n

[\/et_pb_text][et_pb_video src=”https:\/\/vimeo.com\/238061572″ _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_video][et_pb_text _builder_version=”4.8.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n

 <\/p>\n

par Vincent Minier<\/p>\n

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