{"id":167531,"date":"2024-04-27T12:36:40","date_gmt":"2024-04-27T12:36:40","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e9%80%b2%e8%a1%8c%e6%b3%a2%e7%ae%a1\/"},"modified":"2024-05-11T12:08:18","modified_gmt":"2024-05-11T12:08:18","slug":"%e9%80%b2%e8%a1%8c%e6%b3%a2%e7%ae%a1","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e9%80%b2%e8%a1%8c%e6%b3%a2%e7%ae%a1\/","title":{"rendered":"\u9032\u884c\u6ce2\u7ba1"},"content":{"rendered":"<p class=\"sidekick\">\u9032\u884c\u6ce2\u7ba1\u306f\u30de\u30a4\u30af\u30ed\u6ce2\u304b\u3089\u8d85\u9ad8\u5468\u6ce2\u3092\u5897\u5e45\u3059\u308b\u96fb\u5b50\u7ba1\u3067\u3001\u30ec\u30fc\u30c0\u30fc\u3084\u901a\u4fe1\u885b\u661f\u306b\u4e0d\u53ef\u6b20\u306a\u88c5\u7f6e\u3067\u3059\u3002\u96fb\u5b50\u30d3\u30fc\u30e0\u3068\u96fb\u78c1\u6ce2\u306e\u76f8\u4e92\u4f5c\u7528\u304c\u57fa\u672c\u539f\u7406\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/05\/\u9032\u884c\u6ce2\u7ba1.png\" alt=\"\u9032\u884c\u6ce2\u7ba1\"\/><\/p>\n<h2>\u9032\u884c\u6ce2\u7ba1\u3068\u306f<\/h2>\n<p>\u9032\u884c\u6ce2\u7ba1\uff08\u3057\u3093\u3053\u3046\u306f\u304b\u3093\u3001Traveling Wave Tube, TWT\uff09\u306f\u3001\u96fb\u5b50\u7ba1\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u30de\u30a4\u30af\u30ed\u6ce2\u304b\u3089\u8d85\u9ad8\u5468\u6ce2\u306e\u7bc4\u56f2\u306e\u4fe1\u53f7\u3092\u5897\u5e45\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u88c5\u7f6e\u3067\u3059\u3002\u30ec\u30fc\u30c0\u30fc\u30b7\u30b9\u30c6\u30e0\u3001\u901a\u4fe1\u885b\u661f\u3001\u653e\u9001\u6a5f\u5668\u306a\u3069\u306e\u5206\u91ce\u3067\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u9032\u884c\u6ce2\u7ba1\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>\u9032\u884c\u6ce2\u7ba1\u306e\u52d5\u4f5c\u539f\u7406\u306f\u3001\u96fb\u5b50\u30d3\u30fc\u30e0\u3068\u96fb\u78c1\u6ce2\u304c\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u4fe1\u53f7\u3092\u5897\u5e45\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u88c5\u7f6e\u306f\u3001\u4e3b\u306b\u96fb\u5b50\u9283\u3001\u6e1b\u901f\u69cb\u9020\u3001\u96c6\u96fb\u5668\u306e\u4e09\u3064\u306e\u4e3b\u8981\u306a\u90e8\u5206\u304b\u3089\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><b>\u96fb\u5b50\u9283<\/b>: \u9ad8\u901f\u306e\u96fb\u5b50\u30d3\u30fc\u30e0\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n<li><b>\u6e1b\u901f\u69cb\u9020\uff08\u9045\u5ef6\u7dda\uff09<\/b>: \u96fb\u5b50\u30d3\u30fc\u30e0\u3068\u540c\u3058\u901f\u5ea6\u3067\u9032\u3080\u96fb\u78c1\u6ce2\uff08\u901a\u79f0\uff1a\u9032\u884c\u6ce2\uff09\u304c\u901a\u904e\u3059\u308b\u305f\u3081\u306e\u90e8\u5206\u3067\u3059\u3002\u9069\u5207\u306a\u76f8\u4e92\u4f5c\u7528\u3092\u884c\u3046\u305f\u3081\u306b\u306f\u3001\u96fb\u78c1\u6ce2\u304c\u96fb\u5b50\u30d3\u30fc\u30e0\u306b\u5bfe\u3057\u3066\u9045\u308c\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><b>\u96c6\u96fb\u5668<\/b>: \u96fb\u5b50\u30d3\u30fc\u30e0\u3092\u96c6\u3081\u3001\u4f59\u5270\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5438\u53ce\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u9032\u884c\u6ce2\u7ba1\u5185\u3067\u306e\u96fb\u78c1\u6ce2\u306e\u5897\u5e45\u306f\u3001\u96fb\u5b50\u9283\u304b\u3089\u5c04\u51fa\u3055\u308c\u305f\u96fb\u5b50\u30d3\u30fc\u30e0\u304c\u3001\u9045\u5ef6\u7dda\u3092\u901a\u904e\u3059\u308b\u969b\u306e\u6ce2\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u306b\u3088\u3063\u3066\u8d77\u3053\u308a\u307e\u3059\u3002\u96fb\u5b50\u30d3\u30fc\u30e0\u306f\u6e1b\u901f\u69cb\u9020\u306b\u6cbf\u3063\u3066\u9032\u307f\u3001\u305d\u306e\u9014\u4e2d\u3067\u96fb\u78c1\u6ce2\u306e\u96fb\u5834\u306b\u3088\u3063\u3066\u52a0\u901f\u307e\u305f\u306f\u6e1b\u901f\u3055\u308c\u307e\u3059\u3002\u96fb\u5b50\u30d3\u30fc\u30e0\u306e\u901f\u5ea6\u5909\u5316\u306b\u3088\u308a\u3001\u96fb\u5b50\u30d3\u30fc\u30e0\u5185\u306e\u96fb\u5b50\u9593\u306e\u8ddd\u96e2\u304c\u5909\u308f\u308a\u3001\u96fb\u5b50\u5bc6\u5ea6\u306e\u5909\u52d5\u304c\u751f\u3058\u307e\u3059\u3002\u3053\u306e\u96fb\u5b50\u5bc6\u5ea6\u5909\u52d5\u304c\u5897\u5927\u3057\u3001\u305d\u306e\u7d50\u679c\u3068\u3057\u3066\u5f37\u5316\u3055\u308c\u305f\u96fb\u78c1\u6ce2\u304c\u653e\u51fa\u3055\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n<h2>\u9032\u884c\u6ce2\u7ba1\u306e\u6570\u5b66\u7684\u8868\u73fe<\/h2>\n<p>\u9032\u884c\u6ce2\u7ba1\u306e\u5897\u5e45\u30d7\u30ed\u30bb\u30b9\u3092\u6570\u5b66\u7684\u306b\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u96fb\u5b50\u30d3\u30fc\u30e0\u3068\u96fb\u78c1\u6ce2\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u8a18\u8ff0\u3059\u308b\u65b9\u7a0b\u5f0f\u3092\u7528\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u5b50\u30d3\u30fc\u30e0\u306e\u904b\u52d5\u91cfp\u3068\u3001\u305d\u306e\u904b\u52d5\u91cf\u304c\u6642\u9593t\u306b\u304a\u3044\u3066\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u304b\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\\[ \\frac{dp}{dt} = -eE \\]<\/p>\n<p>\u3053\u3053\u3067\u3001<i>e<\/i>\u306f\u96fb\u5b50\u306e\u96fb\u8377\u3001<i>E<\/i>\u306f\u96fb\u78c1\u6ce2\u306e\u96fb\u5834\u3092\u8868\u3057\u307e\u3059\u3002\u96fb\u5b50\u30d3\u30fc\u30e0\u304c\u96fb\u5834\u306b\u3088\u3063\u3066\u52a0\u901f\u3055\u308c\u308b\u3068\u3001\u904b\u52d5\u91cf\u304c\u5897\u52a0\u3057\u3001\u305d\u306e\u7d50\u679c\u3068\u3057\u3066\u96fb\u5b50\u30d3\u30fc\u30e0\u306e\u901f\u5ea6\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u96fb\u5b50\u30d3\u30fc\u30e0\u5185\u306e\u96fb\u5b50\u5bc6\u5ea6n\u306e\u5909\u52d5\u306f\u3001\u96fb\u6d41\u5bc6\u5ea6J\u306e\u5909\u52d5\u306b\u95a2\u9023\u3057\u3001\u305d\u308c\u304c\u96fb\u78c1\u6ce2\u306e\u632f\u5e45\u3092\u5897\u52a0\u3055\u305b\u308b\u3068\u3044\u3046\u539f\u7406\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\\[ J = -en \\cdot v \\]<\/p>\n<p>\u3053\u3053\u3067\u3001<i>v<\/i>\u306f\u96fb\u5b50\u30d3\u30fc\u30e0\u306e\u901f\u5ea6\u3067\u3059\u3002<\/p>\n<h2>\u9032\u884c\u6ce2\u7ba1\u306e\u5fdc\u7528<\/h2>\n<p>\u9032\u884c\u6ce2\u7ba1\u306f\u3001\u305d\u306e\u9ad8\u3044\u5897\u5e45\u80fd\u529b\u3068\u5e83\u5e2f\u57df\u7279\u6027\u304b\u3089\u3001\u591a\u304f\u306e\u30cf\u30a4\u30c6\u30af\u7523\u696d\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u901a\u4fe1\u885b\u661f\u3067\u306f\u3001\u9001\u4fe1\u3055\u308c\u308b\u4fe1\u53f7\u3092\u5897\u5e45\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u5730\u4e0a\u3068\u306e\u901a\u4fe1\u3092\u652f\u3048\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30ec\u30fc\u30c0\u30fc\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u30ec\u30fc\u30c0\u30fc\u6ce2\u306e\u9001\u4fe1\u529b\u3092\u9ad8\u3081\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u304a\u308a\u3001\u822a\u7a7a\u6a5f\u306e\u822a\u884c\u5b89\u5168\u3084\u6c17\u8c61\u89b3\u6e2c\u306e\u7cbe\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u73fe\u4ee3\u79d1\u5b66\u6280\u8853\u306e\u767a\u5c55\u306b\u304a\u3044\u3066\u3001\u9032\u884c\u6ce2\u7ba1\u306f\u4fe1\u53f7\u4f1d\u9001\u306e\u5f37\u5316\u3068\u3044\u3046\u70b9\u3067\u6b20\u304b\u305b\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4e00\u3064\u3067\u3059\u3002\u7269\u7406\u5b66\u3084\u5de5\u5b66\u306e\u89b3\u70b9\u304b\u3089\u3001\u96fb\u5b50\u3068\u96fb\u78c1\u6ce2\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u89e3\u660e\u3059\u308b\u3053\u3068\u306f\u3001\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u3055\u3089\u306b\u767a\u5c55\u3055\u305b\u308b\u9375\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9032\u884c\u6ce2\u7ba1\u306f\u30de\u30a4\u30af\u30ed\u6ce2\u304b\u3089\u8d85\u9ad8\u5468\u6ce2\u3092\u5897\u5e45\u3059\u308b\u96fb\u5b50\u7ba1\u3067\u3001\u30ec\u30fc\u30c0\u30fc\u3084\u901a\u4fe1\u885b\u661f\u306b\u4e0d\u53ef\u6b20\u306a\u88c5\u7f6e\u3067\u3059\u3002\u96fb\u5b50\u30d3\u30fc\u30e0\u3068\u96fb\u78c1\u6ce2\u306e\u76f8\u4e92\u4f5c\u7528\u304c\u57fa\u672c\u539f\u7406\u3002<\/p>\n","protected":false},"author":1,"featured_media":190555,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[90],"tags":[91],"class_list":["post-167531","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-90","tag-91","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- 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