{"id":241648,"date":"2025-12-05T09:38:04","date_gmt":"2025-12-05T06:38:04","guid":{"rendered":"https:\/\/enox.com.tr\/?p=241648"},"modified":"2025-12-11T14:52:17","modified_gmt":"2025-12-11T11:52:17","slug":"uydu-yuk-testlerinde-dogrulugu-artirmak-planar-near-field-olcumlerinin-gucu","status":"publish","type":"post","link":"https:\/\/enox.com.tr\/tr\/uydu-yuk-testlerinde-dogrulugu-artirmak-planar-near-field-olcumlerinin-gucu\/","title":{"rendered":"Uydu Y\u00fck Testlerinde Do\u011frulu\u011fu Art\u0131rmak: Planar Near-Field \u00d6l\u00e7\u00fcmlerinin G\u00fcc\u00fc"},"content":{"rendered":"<div id=\"attachment_241649\" style=\"width: 1419px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-241649\" class=\"wp-image-241649 size-full\" src=\"https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-1.png\" alt=\"\" width=\"1409\" height=\"498\" srcset=\"https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-1.png 1409w, https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-1-1280x452.png 1280w, https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-1-980x346.png 980w, https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-1-480x170.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1409px, 100vw\" \/><p id=\"caption-attachment-241649\" class=\"wp-caption-text\"><span style=\"color: #00263a;\">\u015eekil 1. Tipik \u201cbent-pipe\u201d uydu y\u00fck mimarisi<\/span><\/p><\/div>\n<p><span style=\"color: #00263a;\">[Uydu Y\u00fck Testleri] Uydu haberle\u015fme sistemlerinde kullan\u0131lan <strong>\u201c<\/strong>bent-pipe\u201d transponder mimarisi, sinyallerin al\u0131nd\u0131\u011f\u0131 frekanstan farkl\u0131 bir bantta yeniden iletilmesini sa\u011flayarak sistem tasar\u0131m\u0131nda b\u00fcy\u00fck esneklik sunar. Ancak bu yap\u0131n\u0131n test edilmesi, \u00f6zellikle End-to-End (E2E) parametrelerin \u00f6l\u00e7\u00fcm\u00fcnde y\u00fcksek do\u011fruluk gerektirir. Saturating Flux Density (SFD), Equivalent Isotropic Radiated Power (EIRP), Gain Flatness (G\/F) ve Gain over Temperature (G\/T) gibi \u00f6l\u00e7\u00fcmler; hem anten eri\u015fimi hem de lokal osilat\u00f6r (LO) ba\u011flant\u0131 noktalar\u0131n\u0131n eri\u015filebilirli\u011fine ba\u011fl\u0131 olarak de\u011fi\u015fen belirsizliklere sahiptir<\/span><\/p>\n<p><span style=\"color: #00263a;\">MVG\u2019nin Planar Near-Field (PNF) \u00f6l\u00e7\u00fcm yakla\u015f\u0131m\u0131, bu karma\u015f\u0131k yap\u0131da do\u011frulu\u011fu korumak i\u00e7in optimize edilmi\u015ftir. Klasik kompakt menzil (CATR) sistemlerinden farkl\u0131 olarak PNF, hem uplink hem downlink antenlerinin faz ve genlik da\u011f\u0131l\u0131m\u0131n\u0131 y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fckle haritalayabilir.<\/span><\/p>\n<div id=\"attachment_241651\" style=\"width: 1174px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-241651\" class=\"wp-image-241651 size-full\" src=\"https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-2.png\" alt=\"\" width=\"1164\" height=\"910\" srcset=\"https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-2.png 1164w, https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-2-980x766.png 980w, https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-2-480x375.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1164px, 100vw\" \/><p id=\"caption-attachment-241651\" class=\"wp-caption-text\"><span style=\"color: #00263a;\">\u015eekil 2. Anten ve LO eri\u015fiminin sa\u011fland\u0131\u011f\u0131 test senaryosu<\/span><\/p><\/div>\n<p><span style=\"color: #00263a;\">MVG\u2019nin \u00e7al\u0131\u015fmas\u0131na g\u00f6re, test eri\u015fimi tam olan sistemlerde \u00f6l\u00e7\u00fcm belirsizli\u011fi \u00b10.35 dB seviyesindeyken, eri\u015fimi k\u0131s\u0131tl\u0131 sistemlerde bu de\u011fer \u00b10.76 dB\u2019ye kadar \u00e7\u0131kabiliyor. Bu fark, faz g\u00fcr\u00fclt\u00fcs\u00fc, yans\u0131ma hatalar\u0131 ve g\u00fc\u00e7 kalibrasyonlar\u0131ndaki belirsizliklerden kaynaklan\u0131yor<\/span><\/p>\n<div id=\"attachment_241653\" style=\"width: 1163px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-241653\" class=\"wp-image-241653 size-full\" src=\"https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-3.png\" alt=\"\" width=\"1153\" height=\"910\" srcset=\"https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-3.png 1153w, https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-3-980x773.png 980w, https:\/\/enox.com.tr\/wp-content\/uploads\/2025\/12\/Gorsel-3-480x379.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1153px, 100vw\" \/><p id=\"caption-attachment-241653\" class=\"wp-caption-text\"><span style=\"color: #00263a;\">\u015eekil 3. Planar Near-Field y\u00f6ntemiyle entegre y\u00fck \u00f6l\u00e7\u00fcm\u00fc kurulumu<\/span><\/p><\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #00263a;\">Sonu\u00e7 olarak, <strong>Planar Near-Field teknolojisi<\/strong>, uydu y\u00fcklerinin sistem seviyesinde do\u011frulanmas\u0131 i\u00e7in en g\u00fcvenilir \u00e7\u00f6z\u00fcmlerden biri haline gelmi\u015ftir. ENOX\u2019un temsilcisi oldu\u011fu <strong>Microwave Vision Group (MVG)<\/strong>, uzay g\u00f6revlerinde kullan\u0131lan y\u00fcksek frekansl\u0131 antenlerin ve karma\u015f\u0131k transponder sistemlerinin testinde, m\u00fchendislik do\u011frulu\u011funu art\u0131ran \u00e7\u00f6z\u00fcmler sunmaya devam ediyor. Bu teknolojiler, savunma, uzay ve haberle\u015fme projelerinde \u00f6l\u00e7\u00fcm g\u00fcvenilirli\u011fini ve tasar\u0131m verimlili\u011fini ayn\u0131 anda m\u00fcmk\u00fcn k\u0131l\u0131yor.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uydu Y\u00fck Testleri Uydu haberle\u015fme sistemlerinde kullan\u0131lan \u201cbent-pipe\u201d transponder mimarisi, sinyallerin al\u0131nd\u0131\u011f\u0131 frekanstan farkl\u0131 bir bantta yeniden iletilmesini sa\u011flayarak sistem tasar\u0131m\u0131nda b\u00fcy\u00fck esneklik sunar. <\/p>\n","protected":false},"author":1,"featured_media":241649,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[62],"tags":[],"class_list":["post-241648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/posts\/241648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/comments?post=241648"}],"version-history":[{"count":2,"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/posts\/241648\/revisions"}],"predecessor-version":[{"id":241685,"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/posts\/241648\/revisions\/241685"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/media\/241649"}],"wp:attachment":[{"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/media?parent=241648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/categories?post=241648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enox.com.tr\/tr\/wp-json\/wp\/v2\/tags?post=241648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}