{"id":209222,"date":"2024-03-21T14:06:41","date_gmt":"2024-03-21T14:06:41","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e3%83%89%e3%83%83%e3%83%97%e3%83%a9%e3%83%bc%e5%8a%b9%e6%9e%9c%e3%81%ae%e5%bc%8f-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95\/"},"modified":"2024-05-17T15:09:02","modified_gmt":"2024-05-17T15:09:02","slug":"%e3%83%89%e3%83%83%e3%83%97%e3%83%a9%e3%83%bc%e5%8a%b9%e6%9e%9c%e3%81%ae%e5%bc%8f-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%89%e3%83%83%e3%83%97%e3%83%a9%e3%83%bc%e5%8a%b9%e6%9e%9c%e3%81%ae%e5%bc%8f-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u5f0f | \u89e3\u8aac\u3068\u8a08\u7b97\u65b9\u6cd5"},"content":{"rendered":"<p class=\"sidekick\">\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u5f0f\u3068\u57fa\u672c\u539f\u7406\u3092\u89e3\u8aac\u3057\u3001\u5177\u4f53\u7684\u306a\u8a08\u7b97\u65b9\u6cd5\u3092\u4f8b\u3092\u901a\u3057\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3002\u97f3\u6ce2\u3084\u5149\u6ce2\u306b\u9069\u7528\u3055\u308c\u308b\u7269\u7406\u73fe\u8c61\u3092\u7406\u89e3\u3059\u308b\u3002<\/p>\n<h2>\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u5f0f | \u89e3\u8aac\u3068\u8a08\u7b97\u65b9\u6cd5<\/h2>\n<p>\u7686\u3055\u3093\u306f\u6551\u6025\u8eca\u304c\u901a\u308a\u904e\u304e\u308b\u3068\u304d\u306b\u30b5\u30a4\u30ec\u30f3\u306e\u97f3\u304c\u9ad8\u304f\u306a\u3063\u305f\u308a\u4f4e\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u306e\u3092\u611f\u3058\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304b\uff1f\u3053\u308c\u304c\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u4e00\u4f8b\u3067\u3059\u3002\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306f\u3001\u97f3\u6e90\u3068\u89b3\u6e2c\u8005\u306e\u76f8\u5bfe\u904b\u52d5\u306b\u3088\u3063\u3066\u3001\u97f3\u6ce2\u306e\u5468\u6ce2\u6570\u3084\u6ce2\u9577\u304c\u5909\u308f\u308b\u73fe\u8c61\u3067\u3059\u3002\u96fb\u78c1\u6ce2\u306e\u5834\u5408\u3082\u540c\u69d8\u306e\u52b9\u679c\u304c\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u57fa\u672c\u7684\u306a\u539f\u7406\u3068\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306f\u3001\u97f3\u6e90\u304c\u89b3\u6e2c\u8005\u306b\u5411\u304b\u3063\u3066\u52d5\u304f\u3068\u304d\u3001\u97f3\u6ce2\u306e\u5468\u6ce2\u6570\u304c\u9ad8\u304f\u306a\u308b\u3001\u3064\u307e\u308a\u30d4\u30c3\u30c1\u304c\u9ad8\u304f\u306a\u308b\u73fe\u8c61\u3067\u3059\u3002\u9006\u306b\u3001\u97f3\u6e90\u304c\u89b3\u6e2c\u8005\u304b\u3089\u9060\u3056\u304b\u308b\u3068\u3001\u5468\u6ce2\u6570\u304c\u4f4e\u304f\u306a\u308a\u3001\u30d4\u30c3\u30c1\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u539f\u7406\u306f\u97f3\u3060\u3051\u3067\u306a\u304f\u3001\u5149\u3084\u96fb\u78c1\u6ce2\u306b\u3082\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u5f0f<\/h2>\n<p>\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u5f0f\u306f\u4ee5\u4e0b\u306e\u5f0f\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u97f3\u6ce2\u306e\u5834\u5408\u3001\u97f3\u6e90\u304c\u89b3\u6e2c\u8005\u306b\u5411\u304b\u3063\u3066\u79fb\u52d5\u3059\u308b\u5834\u5408\u306e\u5468\u6ce2\u6570\u306e\u5909\u5316\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<p>\\( f&#8217; = \\frac{f (v + v_o)}{v &#8211; v_s} \\)<\/p>\n<p>\u3053\u3053\u3067\uff1a<\/p>\n<ul>\n<li>\\( f&#8217; \\)\uff1a\u89b3\u6e2c\u3055\u308c\u308b\u5468\u6ce2\u6570<\/li>\n<li>\\( f \\)\uff1a\u97f3\u6e90\u306e\u767a\u3059\u308b\u5468\u6ce2\u6570<\/li>\n<li>\\( v \\)\uff1a\u97f3\u306e\u901f\u5ea6\uff08\u7a7a\u6c17\u4e2d\u3067\u306f\u7d04343 m\/s\uff09<\/li>\n<li>\\( v_o \\)\uff1a\u89b3\u6e2c\u8005\u306e\u901f\u5ea6\uff08\u97f3\u6e90\u306b\u5bfe\u3057\u3066\u6b63\u306e\u65b9\u5411\uff09<\/li>\n<li>\\( v_s \\)\uff1a\u97f3\u6e90\u306e\u901f\u5ea6\uff08\u89b3\u6e2c\u8005\u306b\u5bfe\u3057\u3066\u6b63\u306e\u65b9\u5411\uff09<\/li>\n<\/ul>\n<p>\u97f3\u6e90\u304c\u89b3\u6e2c\u8005\u304b\u3089\u9060\u3056\u304b\u308b\u5834\u5408\u306f\u3001\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<p>\\( f&#8217; = \\frac{f (v &#8211; v_o)}{v + v_s} \\)<\/p>\n<h2>\u8a08\u7b97\u65b9\u6cd5\u306e\u4f8b<\/h2>\n<p>\u5177\u4f53\u7684\u306a\u4f8b\u3092\u901a\u3057\u3066\u8a08\u7b97\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u3001\u6551\u6025\u8eca\uff08\u97f3\u6e90\uff09\u304c30 m\/s\u306e\u901f\u5ea6\u3067\u89b3\u6e2c\u8005\u306b\u5411\u304b\u3063\u3066\u79fb\u52d5\u3057\u3066\u304a\u308a\u3001\u89b3\u6e2c\u8005\u306f\u9759\u6b62\u3057\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u6551\u6025\u8eca\u306e\u30b5\u30a4\u30ec\u30f3\u306e\u5143\u306e\u5468\u6ce2\u6570\u306f700 Hz\u3067\u3059\u3002<\/p>\n<p>\u89b3\u6e2c\u3055\u308c\u308b\u5468\u6ce2\u6570 \\( f&#8217; \\) \u3092\u6c42\u3081\u308b\u305f\u3081\u306e\u5f0f\u306f\uff1a<\/p>\n<p>\\( f&#8217; = \\frac{700 \\times (343 + 0)}{343 &#8211; 30} \\)<\/p>\n<p>\u3053\u308c\u3092\u8a08\u7b97\u3059\u308b\u3068\uff1a<\/p>\n<p>\\( f&#8217; = \\frac{700 \\times 343}{313} \\approx 767.1 \\text{Hz} \\)<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u6551\u6025\u8eca\u304c\u8fd1\u3065\u3044\u3066\u3044\u308b\u3068\u304d\u306b\u89b3\u6e2c\u8005\u304c\u805e\u304f\u30b5\u30a4\u30ec\u30f3\u306e\u97f3\u306f\u7d04767.1 Hz\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5149\u306e\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c<\/h2>\n<p>\u5149\u306e\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306f\u5929\u6587\u5b66\u3084\u5b87\u5b99\u7269\u7406\u5b66\u3067\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u5149\u306e\u5834\u5408\u306f\u3001\u5149\u6e90\u3068\u89b3\u6e2c\u8005\u306e\u76f8\u5bfe\u901f\u5ea6\u304c\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3042\u308b\u305f\u3081\u3001\u76f8\u5bfe\u8ad6\u7684\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u3082\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5149\u306e\u5834\u5408\u306e\u4e00\u822c\u7684\u306a\u5f0f\u306f\uff1a<\/p>\n<p>\\( f&#8217; = f \\sqrt{\\frac{1 + \\frac{v}{c}}{1 &#8211; \\frac{v}{c}}} \\)<\/p>\n<p>\u3053\u3053\u3067\uff1a<\/p>\n<ul>\n<li>\\( c \\)\uff1a\u5149\u306e\u901f\u5ea6\uff08\u7d04299,792,458 m\/s\uff09<\/li>\n<li>\\( v \\)\uff1a\u5149\u6e90\u306e\u901f\u3055<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306f\u3001\u97f3\u6ce2\u3084\u96fb\u78c1\u6ce2\u304c\u97f3\u6e90\u3068\u89b3\u6e2c\u8005\u306e\u76f8\u5bfe\u904b\u52d5\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u73fe\u8c61\u3067\u3059\u3002\u305d\u306e\u57fa\u672c\u7684\u306a\u539f\u7406\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u65e5\u5e38\u751f\u6d3b\u3084\u5b87\u5b99\u898f\u6a21\u306e\u73fe\u8c61\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3059\u308b\u624b\u52a9\u3051\u3068\u306a\u308a\u307e\u3059\u3002\u8a08\u7b97\u3082\u6bd4\u8f03\u7684\u7c21\u5358\u306a\u306e\u3067\u3001\u662f\u975e\u6311\u6226\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c9\u30c3\u30d7\u30e9\u30fc\u52b9\u679c\u306e\u5f0f\u3068\u57fa\u672c\u539f\u7406\u3092\u89e3\u8aac\u3057\u3001\u5177\u4f53\u7684\u306a\u8a08\u7b97\u65b9\u6cd5\u3092\u4f8b\u3092\u901a\u3057\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3002\u97f3\u6ce2\u3084\u5149\u6ce2\u306b\u9069\u7528\u3055\u308c\u308b\u7269\u7406\u73fe\u8c61\u3092\u7406\u89e3\u3059\u308b\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-209222","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":"<!-- 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