{"id":2694,"date":"2025-10-15T19:38:13","date_gmt":"2025-10-15T10:38:13","guid":{"rendered":"https:\/\/www.physics.okayama-u.ac.jp\/ishino-lab\/details\/wordpress\/product\/web\/?page_id=2694"},"modified":"2025-10-15T20:06:04","modified_gmt":"2025-10-15T11:06:04","slug":"litebird","status":"publish","type":"page","link":"https:\/\/www.physics.okayama-u.ac.jp\/ishino-lab\/details\/wordpress\/product\/web\/study-2\/litebird\/","title":{"rendered":"LiteBIRD \u5b87\u5b99\u671b\u9060\u93e1"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.isas.jaxa.jp\/missions\/spacecraft\/future\/litebird.html\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">LiteBIRD<\/mark><\/a>\u306fJAXA\u4e3b\u5c0e\u306e\u5b87\u5b99\u671b\u9060\u93e1\u8a08\u753b\u3067\u300134-448 GHz\u306e\u30de\u30a4\u30af\u30ed\u6ce2\u30fb\u30df\u30ea\u6ce2\u5e2f\u57df\u30673\u5e74\u9593\u5b87\u5b99\u5168\u5929\u306eCMB\u3092\u9688\u306a\u304f\u89b3\u6e2c\u3057\u307e\u3059\u3002\u7279\u306bCMB\u306e\u504f\u5149\u89b3\u6e2c\u306b\u7279\u5316\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001CMB\u306eB\u30e2\u30fc\u30c9\u89b3\u6e2c\u3092\u76ee\u7684\u3068\u3057\u305f\u4e16\u754c\u521d\u30fb\u4e16\u754c\u6700\u9ad8\u611f\u5ea6\u306e\u5b87\u5b99\u671b\u9060\u93e1\u3068\u3057\u30662032\u5e74\u5ea6\u306b\u6253\u3061\u4e0a\u3052\u304c\u4e88\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002LiteBIRD\u306e\u89b3\u6e2c\u304b\u3089CMB\u306eB\u30e2\u30fc\u30c9\u504f\u5149\u306e\u5f37\u5ea6\u304c\u660e\u3089\u304b\u306b\u306a\u308c\u3070\u3001B\u30e2\u30fc\u30c9\u306e\u8d77\u6e90\u3067\u3042\u308b\u539f\u59cb\u91cd\u529b\u6ce2\u306e\u5f37\u5ea6(\u30c6\u30f3\u30bd\u30eb\u30fb\u30b9\u30ab\u30e9\u30fc\u6bd4 <em>r<\/em>)\u3092\u63a8\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u6211\u3005\u306e\u5b87\u5b99\u3092\u5f62\u4f5c\u3063\u305f\u30a4\u30f3\u30d5\u30ec\u30fc\u30b7\u30e7\u30f3\u6a21\u578b\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"494\" src=\"https:\/\/www.physics.okayama-u.ac.jp\/ishino-lab\/details\/wordpress\/product\/web\/app\/uploads\/2024\/05\/litebird_main3-1024x494.jpg\" alt=\"\" class=\"wp-image-792\" srcset=\"https:\/\/www.physics.okayama-u.ac.jp\/ishino-lab\/details\/wordpress\/product\/web\/app\/uploads\/2024\/05\/litebird_main3-1024x494.jpg 1024w, https:\/\/www.physics.okayama-u.ac.jp\/ishino-lab\/details\/wordpress\/product\/web\/app\/uploads\/2024\/05\/litebird_main3-300x145.jpg 300w, https:\/\/www.physics.okayama-u.ac.jp\/ishino-lab\/details\/wordpress\/product\/web\/app\/uploads\/2024\/05\/litebird_main3-768x370.jpg 768w, https:\/\/www.physics.okayama-u.ac.jp\/ishino-lab\/details\/wordpress\/product\/web\/app\/uploads\/2024\/05\/litebird_main3.jpg 1500w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">LiteBIRD \u3067\u306e\u7cfb\u7d71\u8aa4\u5dee\u306e\u7814\u7a76<\/h2>\n\n\n\n<p 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class=\"wp-block-paragraph\">LiteBIRD\u306b\u304a\u3044\u3066\u3082\u3001\u691c\u51fa\u5668\u306e\u5229\u5f97\u3084\u89b3\u6e2c\u65b9\u5411\u306e\u4e0d\u5b9a\u6027\u306a\u3069\u69d8\u3005\u306a\u7cfb\u7d71\u8aa4\u5dee\u3068\u305d\u306e\u8981\u56e0\u304c\u8003\u3048\u3089\u308c\u3066\u304a\u308a\u3001\u6211\u3005\u306f\u7cfb\u7d71\u8aa4\u5dee\u306e\u6570\u7406\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3001\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u6570\u5024\u8a08\u7b97\u3067\u7279\u5b9a\u306e\u7cfb\u7d71\u8aa4\u5dee\u304cB\u30e2\u30fc\u30c9\u504f\u5149\u89b3\u6e2c\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u898b\u7a4d\u3082\u308a\u3001\u89b3\u6e2c\u6a5f\u5668\u3078\u306e\u8981\u6c42\u7cbe\u5ea6\u3092\u7b97\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u5ea6\u306a\u6570\u5b66\u7684\u624b\u6cd5\u3092\u7528\u3044\u3066\u771f\u306e\u4fe1\u53f7\u3068\u7cfb\u7d71\u8aa4\u5dee\u3092\u5206\u96e2\u3057\u3001CMB\u504f\u5149\u89b3\u6e2c\u3092\u9ad8\u7cbe\u5ea6\u5316\u3059\u308b\u65b0\u305f\u306a\u30c7\u30fc\u30bf\u89e3\u6790\u624b\u6cd5\u306e\u958b\u767a\u306b\u3082\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u89e3\u6790\u3067 GPU \u3092\u6d3b\u7528\u3059\u308b\u7814\u7a76<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7d71\u8aa4\u5dee\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u6211\u3005\u306f<strong>GPU<\/strong>(Graphics Processing Unit)\u3082\u6d3b\u7528\u3057\u307e\u3059\u3002CMB\u306e\u30c7\u30fc\u30bf\u89e3\u6790\u306b\u306f\u3001\u81a8\u5927\u306a\u91cf\u306e\u8a08\u7b97\u304c\u5fc5\u8981\u3068\u3055\u308c\u3001\u9ad8\u901f\u304b\u3064\u52b9\u7387\u7684\u306a\u51e6\u7406\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002GPU\u306f\u305d\u306e\u9ad8\u3044\u4e26\u5217\u51e6\u7406\u80fd\u529b\u306b\u3088\u308a\u3001\u4e00\u5ea6\u306b\u591a\u304f\u306e\u8a08\u7b97\u3092\u540c\u6642\u306b\u5b9f\u884c\u3067\u304d\u308b\u305f\u3081\u3001\u5927\u898f\u6a21\u3067\u8907\u96d1\u306a\u8a08\u7b97\u3092\u5287\u7684\u306b\u52b9\u7387\u5316\u3057\u3001\u5f93\u6765\u306eCPU\u3067\u306f\u975e\u5e38\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u8a08\u7b97\u3092\u8fc5\u901f\u306b\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u89e3\u6790\u6642\u9593\u304c\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u3001\u3088\u308a\u52b9\u7387\u7684\u306bCMB\u306e\u30c7\u30fc\u30bf\u89e3\u6790\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 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wp-block-details-is-layout-flow\"><summary>\u5b87\u5b99\u306b\u306fCMB\u306b\u9650\u3089\u305a\u3001\u69d8\u3005\u306a\u8d77\u6e90\u3092\u6301\u3064\u30de\u30a4\u30af\u30ed\u6ce2\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306fCMB\u304c\u80cc\u666f\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u524d\u65b9\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u304b\u3089<strong>&#8220;\u524d\u666f\u653e\u5c04&#8221;<\/strong>\u3068\u547c\u3070\u308c\u307e\u3059\u3002CMB\u3092\u89b3\u6e2c\u3059\u308b\u969b\u306b\u306f\u524d\u666f\u653e\u5c04\u304c\u6df7\u3058\u3063\u3066\u89b3\u6e2c\u3055\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u524d\u666f\u653e\u5c04\u3092\u5206\u96e2\u307e\u305f\u306f\u9664\u53bb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u524d\u666f\u653e\u5c04\u306e\u5f37\u5ea6\u306fCMB\u306b\u5bfe\u3057\u3066\u975e\u5e38\u306b\u5f37\u3044\u305f\u3081\u3001CMB\u306e\u307f\u3092\u89b3\u6e2c\u3059\u308b\u305f\u3081\u306b\u306f\u524d\u666f\u653e\u5c04\u3092\u9ad8\u7cbe\u5ea6\u3067\u5206\u96e2\u30fb\u9664\u53bb\u3059\u308b\u624b\u6cd5\u304c\u5fc5\u8981\u3067\u3059\u3002\u5206\u96e2\u30fb\u9664\u53bb\u624b\u6cd5\u306f\u591a\u5c90\u306b\u6e21\u308a\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306b\u306fCMB\u3068\u524d\u666f\u653e\u5c04\u304c\u7570\u306a\u308b\u6027\u8cea\u3092\u6301\u3064\u3053\u3068\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u5b87\u5b99\u306e\u30a4\u30f3\u30d5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u306f\u3001CMB\u306e\u504f\u5149\u3092\u9ad8\u7cbe\u5ea6\u3067\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u6211\u3005\u306fCMB\u3068\u524d\u666f\u653e\u5c04\u3092\u9ad8\u7cbe\u5ea6\u3067\u5206\u96e2\u30fb\u9664\u53bb\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u3066\u7814\u7a76\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/summary>\n<p 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has-vivid-green-cyan-color\"><strong>\u30b7\u30f3\u30af\u30ed\u30c8\u30ed\u30f3(Synchrotron)<\/strong><\/mark>\uff1a<br>\u30b7\u30f3\u30af\u30ed\u30c8\u30ed\u30f3\u653e\u5c04\u306f\u3001\u76f8\u5bfe\u8ad6\u7684\u306a\u96fb\u5b50\u304c\u9280\u6cb3\u78c1\u5834\u306e\u4e2d\u3067\u87ba\u65cb\u904b\u52d5\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u767a\u751f\u3059\u308b\u653e\u5c04\u3067\u3059\u3002\u3053\u306e\u904b\u52d5\u306b\u3088\u308a\u3001\u96fb\u5b50\u306f\u5e83\u7bc4\u56f2\u306e\u5468\u6ce2\u6570\u3067\u96fb\u78c1\u6ce2\u3092\u653e\u51fa\u3057\u3001\u7d50\u679c\u3068\u3057\u3066\u504f\u5149\u3092\u6301\u3064\u96fb\u6ce2\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u504f\u5149\u306e\u7279\u6027\u306f\u3001\u96fb\u5b50\u306e\u901f\u5ea6\u3084\u78c1\u5834\u306e\u5f37\u3055\u3068\u65b9\u5411\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" 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