{"id":1036,"date":"2015-07-03T17:08:11","date_gmt":"2015-07-03T13:38:11","guid":{"rendered":"http:\/\/bioemm.com\/?p=1036"},"modified":"2015-07-03T17:08:11","modified_gmt":"2015-07-03T13:38:11","slug":"%d9%87%d9%85%d9%88%d8%a7%d8%b1-%d8%b3%d8%a7%d8%b2%db%8c-%d8%af%d8%b1%d8%ac%d9%87-%d8%af%d9%88%d9%85-%d9%85%db%8c%d8%af%d8%a7%d9%86-b0-%d8%af%d8%b1-%d8%a7%d9%85-%d8%a2%d8%b1-%d8%a2%db%8c-2nd-order-sh","status":"publish","type":"post","link":"https:\/\/aghaeifar.ir\/?p=1036","title":{"rendered":"\u0647\u0645\u0648\u0627\u0631 \u0633\u0627\u0632\u06cc \u062f\u0631\u062c\u0647 \u062f\u0648\u0645 \u0645\u06cc\u062f\u0627\u0646 B0 \u062f\u0631 \u0627\u0645 \u0622\u0631 \u0622\u06cc &#8211; \u06f2nd order shimming"},"content":{"rendered":"<p style=\"text-align: justify;\">\u062f\u0631 MRI \u0645\u0641\u0647\u0648\u0645 Shimming \u0648 Shim\u00a0 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0645\u0639\u0646\u06cc \u0647\u0645\u06af\u0646 \u06a9\u0631\u062f\u0646 \u0645\u06cc\u062f\u0627\u0646 \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc B0 \u0627\u0633\u062a. \u0627\u0632 \u0627\u0648\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0647\u0645\u06af\u0646 \u0628\u0648\u062f\u0646 \u0627\u06cc\u0646 \u0645\u06cc\u062f\u0627\u0646 \u062e\u06cc\u0644\u06cc \u0645\u0647\u0645 \u0627\u0633\u062a \u0648 \u0648\u062c\u0648\u062f \u0647\u0631 \u06af\u0648\u0646\u0647 \u0627\u0639\u0648\u062c\u0627\u062c \u0645\u06cc \u062a\u0648\u0646\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0622\u0631\u062a\u06cc\u0641\u06a9\u062a \u062f\u0631 \u062a\u0635\u0627\u0648\u06cc\u0631 \u0646\u0647\u0627\u06cc\u06cc \u0628\u0634\u0648\u062f. \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u062f\u0631 \u0627\u0633\u06a9\u0646\u0631\u0647\u0627\u06cc \u06a9\u0644\u06cc\u0646\u06cc\u06a9\u06cc \u062a\u0627 \u062f\u0648 \u062f\u0631\u062c\u0647 \u0647\u0645\u0648\u0627\u0631 \u0633\u0627\u0632\u06cc \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u062f\u0631 \u0633\u062e\u062a \u0627\u0641\u0632\u0627\u0631 \u0627\u0633\u06a9\u0646\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. shimming \u062f\u0631\u062c\u0647 \u06f1 \u06cc\u0627 first order shimming \u0645\u0642\u062f\u0627\u0631 \u0622\u0641\u0633\u062a \u062f\u0631 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 \u0647\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u0647 \u062a\u0627 \u0628\u062f\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631 \u0645\u0642\u062f\u0627\u0631 \u0645\u06cc\u062f\u0627\u0646 B0 \u0631\u0648 \u0647\u0645\u06af\u0646 \u06a9\u0646\u0647. \u062f\u0631 Shimming \u062f\u0631\u062c\u0647 \u062f\u0648\u0645 \u0645\u0646\u062d\u0646\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062f\u0631 \u0641\u0636\u0627\u06cc \u062f\u0627\u062e\u0644 \u0627\u0633\u06a9\u0646\u0631 \u0627\u0632 \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0647 \u0644\u0627\u067e\u0644\u0627\u0633 \u062f\u0631 \u0645\u062e\u062a\u0635\u0627\u062a \u06a9\u0631\u0648\u06cc \u062d\u0627\u0635\u0644 \u0645\u06cc\u0634\u0647. \u0628\u0647 \u0642\u0633\u0645\u062a \u0632\u0627\u0648\u06cc\u0647 \u0627\u06cc \u062d\u0644 \u0627\u06cc\u0646 \u062c\u0648\u0627\u0628 \u0627\u0635\u0637\u0644\u0627\u062d\u0627 spherical harmonics \u06af\u0641\u062a\u0647 \u0645\u06cc\u0634\u0647. \u0645\u0646\u0645 \u062c\u0632\u0626\u06cc\u0627\u062a \u062d\u0644\u0634 \u0631\u0648 \u0628\u0647 \u06cc\u0627\u062f \u0646\u062f\u0627\u0631\u0645 \u0627\u0645\u0627 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u06f5 \u062a\u0627\u0628\u0639 \u062f\u0631\u062c\u0647 \u062f\u0648\u0645 \u062d\u0627\u0635\u0644 \u0645\u06cc\u0634\u0647 \u06a9\u0647 \u062f\u0631 shimming \u062f\u0631\u062c\u0647 \u062f\u0648\u0645 \u0628\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0647\u0631 \u06a9\u062f\u0648\u0645 \u0627\u0632 \u0627\u06cc\u0646\u0647\u0627 \u0645\u06cc \u0634\u0647 \u0628\u0647 \u0646\u0648\u0639\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a\u06cc \u062f\u0631 \u0645\u06cc\u062f\u0627\u0646 \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc \u062f\u0627\u062e\u0644 \u0627\u0633\u06a9\u0646\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f. \u06cc\u0627\u062f\u0645\u0648\u0646 \u0646\u0631\u0647 \u0647\u062f\u0641 \u0647\u0645\u06af\u0646 \u06a9\u0631\u062f\u0646 \u0645\u06cc\u062f\u0627\u0646 \u062f\u0627\u062e\u0644 \u0627\u0633\u06a9\u0646\u0631 \u0627\u0633\u062a.<\/p>\n<p style=\"text-align: justify;\">\u0627\u06cc\u0646 \u062a\u0648\u0627\u0628\u0639 \u0639\u0628\u0627\u0631\u062a \u0647\u0633\u062a\u0646\u062f \u0627\u0632 (\u0627\u0632 \u062f\u0631\u062c\u0647 \u06cc \u06f1 \u062a\u0627 \u06f3):<\/p>\n<div style=\"width: 467px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"\" src=\"http:\/\/aghaeifar.ir\/wp-content\/uploads\/2015\/07\/sphericalharmonicsorders.png\" alt=\"\" width=\"457\" height=\"641\" \/><p class=\"wp-caption-text\">Jezzard P. Shim coil design, limitations and implications (pdf). Abstracts from the International Society of Magnetic Resonance in Medicine (ISMRM) Annual Meeting, May, 2006.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">\u0622\u0632\u0645\u0627\u06cc\u0634\u06cc \u06a9\u0647 \u0686\u0646\u062f \u0631\u0648\u0632 \u0642\u0628\u0644 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u0645 \u0631\u0648 \u0646\u062a\u06cc\u062c\u0647 \u0627\u0634 \u0631\u0648 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0642\u0631\u0627\u0631 \u0645\u06cc \u062f\u0647\u0645. \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 \u0647\u0627\u06cc\u06cc \u06a9\u0647 Shimming \u062f\u0631\u062c\u0647 \u062f\u0648\u0645 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0627\u062f\u0646\u062f \u0631\u0648 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0645 \u0648 \u0633\u067e\u0633 \u06cc\u06a9 map \u0627\u0632 \u0645\u06cc\u062f\u0627\u0646 B0 \u062f\u0627\u062e\u0644 \u0627\u0633\u06a9\u0646\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u0648\u0627\u0644\u06cc \u067e\u0627\u0644\u0633 GRE \u0627\u0632 \u06cc\u06a9 \u062d\u062c\u0645 \u06f2\u06f2 \u062f\u0631 \u06f2\u06f2 \u062f\u0631 \u06f2\u06f2 \u0633\u0627\u0646\u062a\u06cc \u0645\u062a\u0631\u06cc \u0628\u0627 \u06f4\u06f9 \u0627\u0633\u0644\u0627\u06cc\u062f \u06af\u0631\u0641\u062a\u0645. \u0646\u062a\u0627\u06cc\u062c \u0631\u0648 \u062f\u0631 \u062a\u0635\u0627\u0648\u06cc\u0631 \u0632\u06cc\u0631 \u0645\u06cc \u062a\u0648\u0646\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc\u062f. \u06a9\u0627\u0645\u0644\u0627 \u0645\u0646\u0637\u0628\u0642 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 Shimming \u062f\u0631\u062c\u0647 \u062f\u0648 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p style=\"text-align: justify;\">\u062d\u062f\u0633 \u0628\u0632\u0646\u06cc\u062f \u0647\u0631 \u0634\u06a9\u0644 \u0645\u0631\u06cc\u0648\u0637 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0631 \u06a9\u062f\u0627\u0645 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 shimming \u062f\u0631\u062c\u0647 \u06f2 \u0627\u0633\u062a.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" src=\"http:\/\/aghaeifar.ir\/wp-content\/uploads\/2015\/07\/0ijrqac.png\" alt=\"\" width=\"1034\" height=\"912\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" src=\"http:\/\/aghaeifar.ir\/wp-content\/uploads\/2015\/07\/3ysk42c.png\" alt=\"\" width=\"1115\" height=\"973\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" src=\"http:\/\/aghaeifar.ir\/wp-content\/uploads\/2015\/07\/fk0dj3d.png\" alt=\"\" width=\"1128\" height=\"973\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" src=\"http:\/\/aghaeifar.ir\/wp-content\/uploads\/2015\/07\/jxci3hr.png\" alt=\"\" width=\"1073\" height=\"973\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" src=\"http:\/\/aghaeifar.ir\/wp-content\/uploads\/2015\/07\/vdiiiaf.png\" alt=\"\" width=\"1090\" height=\"924\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u062f\u0631 MRI \u0645\u0641\u0647\u0648\u0645 Shimming \u0648 Shim\u00a0 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0645\u0639\u0646\u06cc \u0647\u0645\u06af\u0646 \u06a9\u0631\u062f\u0646 \u0645\u06cc\u062f\u0627\u0646 \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc B0 \u0627\u0633\u062a. \u0627\u0632 \u0627\u0648\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0647\u0645\u06af\u0646 \u0628\u0648\u062f\u0646 \u0627\u06cc\u0646 \u0645\u06cc\u062f\u0627\u0646 \u062e\u06cc\u0644\u06cc \u0645\u0647\u0645 \u0627\u0633\u062a \u0648 \u0648\u062c\u0648\u062f \u0647\u0631 \u06af\u0648\u0646\u0647 \u0627\u0639\u0648\u062c\u0627\u062c \u0645\u06cc \u062a\u0648\u0646\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0622\u0631\u062a\u06cc\u0641\u06a9\u062a \u062f\u0631 \u062a\u0635\u0627\u0648\u06cc\u0631 \u0646\u0647\u0627\u06cc\u06cc \u0628\u0634\u0648\u062f. \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u062f\u0631 \u0627\u0633\u06a9\u0646\u0631\u0647\u0627\u06cc \u06a9\u0644\u06cc\u0646\u06cc\u06a9\u06cc \u062a\u0627 \u062f\u0648 \u062f\u0631\u062c\u0647 \u0647\u0645\u0648\u0627\u0631 \u0633\u0627\u0632\u06cc \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u06cc\u0646\u0627\u0645\u06cc\u06a9\u06cc \u062f\u0631 \u0633\u062e\u062a \u0627\u0641\u0632\u0627\u0631 \u0627\u0633\u06a9\u0646\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. shimming \u062f\u0631\u062c\u0647 \u06f1 \u06cc\u0627 first order shimming \u0645\u0642\u062f\u0627\u0631 \u0622\u0641\u0633\u062a \u062f\u0631 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 \u0647\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u0647 \u062a\u0627 \u0628\u062f\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631 \u0645\u0642\u062f\u0627\u0631 \u0645\u06cc\u062f\u0627\u0646 B0 \u0631\u0648 \u0647\u0645\u06af\u0646 \u06a9\u0646\u0647. \u062f\u0631 Shimming \u062f\u0631\u062c\u0647 \u062f\u0648\u0645 \u0645\u0646\u062d\u0646\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062f\u0631 \u0641\u0636\u0627\u06cc \u062f\u0627\u062e\u0644 \u0627\u0633\u06a9\u0646\u0631 \u0627\u0632 \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0647 \u0644\u0627\u067e\u0644\u0627\u0633 \u062f\u0631&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":1106,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_cloudinary_featured_overwrite":false},"categories":[28],"tags":[117,83,116,115,118,121,82,119,110,120],"_links":{"self":[{"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=\/wp\/v2\/posts\/1036"}],"collection":[{"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1036"}],"version-history":[{"count":0,"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=\/wp\/v2\/posts\/1036\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=\/wp\/v2\/media\/1106"}],"wp:attachment":[{"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aghaeifar.ir\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}