{"id":209032,"date":"2024-03-21T14:05:33","date_gmt":"2024-03-21T14:05:33","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e4%bd%8d%e7%9b%b8%e4%bd%99%e8%a3%95%e3%81%ae%e5%85%ac%e5%bc%8f-%e5%ae%9a%e7%be%a9%e3%80%81%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95%e3%80%81%e5%bf%9c%e7%94%a8\/"},"modified":"2024-05-17T15:06:07","modified_gmt":"2024-05-17T15:06:07","slug":"%e4%bd%8d%e7%9b%b8%e4%bd%99%e8%a3%95%e3%81%ae%e5%85%ac%e5%bc%8f-%e5%ae%9a%e7%be%a9%e3%80%81%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95%e3%80%81%e5%bf%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e4%bd%8d%e7%9b%b8%e4%bd%99%e8%a3%95%e3%81%ae%e5%85%ac%e5%bc%8f-%e5%ae%9a%e7%be%a9%e3%80%81%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95%e3%80%81%e5%bf%9c%e7%94%a8\/","title":{"rendered":"\u4f4d\u76f8\u4f59\u88d5\u306e\u516c\u5f0f | \u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u5fdc\u7528"},"content":{"rendered":"<p class=\"sidekick\">\u4f4d\u76f8\u4f59\u88d5\u306e\u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u4e26\u3073\u306b\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u3084\u7523\u696d\u7528\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u5fdc\u7528\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h2>\u4f4d\u76f8\u4f59\u88d5\u306e\u516c\u5f0f | \u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u5fdc\u7528<\/h2>\n<p>\u7269\u7406\u5b66\u3084\u5de5\u5b66\u306e\u5206\u91ce\u3067\u306f\u3001\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u300c\u4f4d\u76f8\u4f59\u88d5\u300d\u3068\u3044\u3046\u6982\u5ff5\u304c\u3057\u3070\u3057\u3070\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4f4d\u76f8\u4f59\u88d5\u306e\u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u305d\u3057\u3066\u5b9f\u969b\u306e\u5fdc\u7528\u4f8b\u306b\u3064\u3044\u3066\u7c21\u6f54\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u4f4d\u76f8\u4f59\u88d5\u306e\u5b9a\u7fa9<\/h2>\n<p>\u4f4d\u76f8\u4f59\u88d5 (Phase Margin) \u306f\u3001\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u6307\u6a19\u3067\u3059\u3002\u4f4d\u76f8\u4f59\u88d5\u306f\u3001\u9589\u30eb\u30fc\u30d7\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u30b2\u30a4\u30f3\u4ea4\u5dee\u5468\u6ce2\u6570 (Gain Crossover Frequency) \u306b\u304a\u3051\u308b\u4f4d\u76f8\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u4f1d\u9054\u95a2\u6570\u306e\u4f4d\u76f8\u304c -180\u00b0 \u306b\u306a\u308b\u3068\u3053\u308d\u304b\u3089\u3001\u5b9f\u969b\u306e\u4f4d\u76f8\u304c\u3069\u308c\u3060\u3051\u4f59\u88d5\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<h2>\u8a08\u7b97\u65b9\u6cd5<\/h2>\n<p>\u4f4d\u76f8\u4f59\u88d5\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\uff1a<\/p>\n<p>1. **\u5468\u6ce2\u6570\u5fdc\u7b54\u3092\u30d7\u30ed\u30c3\u30c8\u3059\u308b**:<br \/>\n   \u307e\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5468\u6ce2\u6570\u5fdc\u7b54\u3092\u30dc\u30fc\u30c9\u7dda\u56f3 (Bode plot) \u3068\u3057\u3066\u30d7\u30ed\u30c3\u30c8\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u30b2\u30a4\u30f3\u30d7\u30ed\u30c3\u30c8\u3068\u4f4d\u76f8\u30d7\u30ed\u30c3\u30c8\u306e2\u3064\u306e\u30b0\u30e9\u30d5\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>2. **\u30b2\u30a4\u30f3\u4ea4\u5dee\u5468\u6ce2\u6570\u3092\u7279\u5b9a\u3059\u308b**:<br \/>\n   \u30b2\u30a4\u30f3\u30d7\u30ed\u30c3\u30c8\u3067\u3001\u30b2\u30a4\u30f3\u304c 1 (0 dB) \u306b\u306a\u308b\u5468\u6ce2\u6570 \\( \\omega_{gc} \\) \u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/p>\n<p>3. **\u4f4d\u76f8\u3092\u78ba\u8a8d\u3059\u308b**:<br \/>\n   \u305d\u306e\u30b2\u30a4\u30f3\u4ea4\u5dee\u5468\u6ce2\u6570\u306b\u5bfe\u5fdc\u3059\u308b\u4f4d\u76f8 \\( \\phi \\) \u3092\u4f4d\u76f8\u30d7\u30ed\u30c3\u30c8\u304b\u3089\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>4. **\u4f4d\u76f8\u4f59\u88d5\u3092\u8a08\u7b97\u3059\u308b**:<br \/>\n   \u4f4d\u76f8\u4f59\u88d5 (\\( \\text{PM} \\)) \u306f\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\uff1a<br \/>\n   \\[<br \/>\n   \\text{PM} = 180^\\circ + \\phi(\\omega_{gc})<br \/>\n   \\]<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30b2\u30a4\u30f3\u4ea4\u5dee\u5468\u6ce2\u6570\u3067\u306e\u4f4d\u76f8\u304c -120\u00b0 \u3067\u3042\u308c\u3070\u3001\u4f4d\u76f8\u4f59\u88d5\u306f<br \/>\n\\[<br \/>\n\\text{PM} = 180^\\circ + (-120^\\circ) = 60^\\circ<br \/>\n\\]<br \/>\n\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5fdc\u7528\u4f8b<\/h2>\n<p>\u4f4d\u76f8\u4f59\u88d5\u306f\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3059\uff1a<\/p>\n<p>1. **\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08**:<br \/>\n   \u4f8b\u3048\u3070\u3001\u81ea\u52d5\u8eca\u306e\u30af\u30eb\u30fc\u30ba\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3084\u30ed\u30dc\u30c3\u30c8\u30a2\u30fc\u30e0\u306e\u904b\u52d5\u5236\u5fa1\u306a\u3069\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u9069\u5207\u306a\u4f4d\u76f8\u4f59\u88d5\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u4f4d\u76f8\u4f59\u88d5\u304c\u5927\u304d\u3044\u307b\u3069\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u5916\u4e71\u3084\u30ce\u30a4\u30ba\u306b\u5bfe\u3057\u3066\u5b89\u5b9a\u3057\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<p>2. **\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30eb\u30fc\u30d7\u306e\u8a2d\u8a08**:<br \/>\n   \u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30f3\u30d7\u3084\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3001\u591a\u304f\u306e\u96fb\u5b50\u56de\u8def\u3067\u306f\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30eb\u30fc\u30d7\u306e\u5b89\u5b9a\u6027\u304c\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u4f4d\u76f8\u4f59\u88d5\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30eb\u30fc\u30d7\u304c\u671b\u307e\u3057\u3044\u52d5\u4f5c\u3092\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>3. **\u7523\u696d\u7528\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3**:<br \/>\n   \u7523\u696d\u6a5f\u5668\u3084\u30d7\u30ed\u30bb\u30b9\u5236\u5fa1\u306b\u304a\u3044\u3066\u3082\u3001\u4f4d\u76f8\u4f59\u88d5\u306f\u91cd\u8981\u306a\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002\u88fd\u9020\u88c5\u7f6e\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u9069\u5207\u306a\u4f4d\u76f8\u4f59\u88d5\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4f4d\u76f8\u4f59\u88d5\u306f\u3001\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u6307\u6a19\u3067\u3059\u3002\u305d\u306e\u5b9a\u7fa9\u3068\u8a08\u7b97\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306b\u9069\u7528\u3059\u308b\u969b\u306e\u8a2d\u8a08\u3084\u89e3\u6790\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u4f4d\u76f8\u4f59\u88d5\u3092\u9069\u5207\u306b\u8a55\u4fa1\u3057\u7dad\u6301\u3059\u308b\u3053\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f4d\u76f8\u4f59\u88d5\u306e\u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u4e26\u3073\u306b\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u3084\u7523\u696d\u7528\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u5fdc\u7528\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[96],"tags":[97],"class_list":["post-209032","post","type-post","status-publish","format-standard","hentry","category-96","tag-97","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f4d\u76f8\u4f59\u88d5\u306e\u516c\u5f0f | \u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u5fdc\u7528<\/title>\n<meta name=\"description\" content=\"\u4f4d\u76f8\u4f59\u88d5\u306e\u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u4e26\u3073\u306b\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u3084\u7523\u696d\u7528\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u5fdc\u7528\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/ja\/%e4%bd%8d%e7%9b%b8%e4%bd%99%e8%a3%95%e3%81%ae%e5%85%ac%e5%bc%8f-%e5%ae%9a%e7%be%a9%e3%80%81%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95%e3%80%81%e5%bf%9c%e7%94%a8\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta 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