{"id":214724,"date":"2024-08-19T14:43:24","date_gmt":"2024-08-19T14:43:24","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=214724"},"modified":"2024-08-19T14:43:24","modified_gmt":"2024-08-19T14:43:24","slug":"%e9%9b%bb%e7%a3%81%e6%b3%a2%e3%81%ae%e6%9c%89%e5%ae%b3%e3%81%aa%e5%bd%b1%e9%9f%bf%e3%82%92%e6%9c%80%e5%b0%8f%e9%99%90%e3%81%ab%e6%8a%91%e3%81%88%e3%82%8b%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%81%a8","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e9%9b%bb%e7%a3%81%e6%b3%a2%e3%81%ae%e6%9c%89%e5%ae%b3%e3%81%aa%e5%bd%b1%e9%9f%bf%e3%82%92%e6%9c%80%e5%b0%8f%e9%99%90%e3%81%ab%e6%8a%91%e3%81%88%e3%82%8b%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%81%a8\/","title":{"rendered":"\u96fb\u78c1\u6ce2\u306e\u6709\u5bb3\u306a\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u8a2d\u8a08\u65b9\u6cd5"},"content":{"rendered":"<p class=\"sidekick\">\u96fb\u78c1\u6ce2\u306e\u6709\u5bb3\u306a\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u8a2d\u8a08\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3002\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306a\u5bfe\u7b56\u3092\u5b66\u3079\u307e\u3059\u3002<\/p>\n<h2>\u96fb\u78c1\u6ce2\u306e\u6709\u5bb3\u306a\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u8a2d\u8a08\u65b9\u6cd5<\/h2>\n<p>\u96fb\u78c1\u6ce2 (Electromagnetic Waves) \u306f\u3001\u65e5\u5e38\u751f\u6d3b\u306e\u4e2d\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u643a\u5e2f\u96fb\u8a71\u3001Wi-Fi \u30eb\u30fc\u30bf\u30fc\u3001\u96fb\u5b50\u30ec\u30f3\u30b8\u306a\u3069\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u96fb\u78c1\u6ce2\u306f\u4e00\u90e8\u306e\u5065\u5eb7\u554f\u984c\u3084\u96fb\u5b50\u6a5f\u5668\u306e\u8aa4\u52d5\u4f5c\u306e\u539f\u56e0\u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u96fb\u78c1\u6ce2\u306e\u6709\u5bb3\u306a\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u8a2d\u8a08\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b7\u30fc\u30eb\u30c9\u306e\u4f7f\u7528<\/h2>\n<p>\u96fb\u78c1\u6ce2\u304c\u6f0f\u308c\u51fa\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u30b7\u30fc\u30eb\u30c9 (Shielding) \u304c\u52b9\u679c\u7684\u3067\u3059\u3002\u30b7\u30fc\u30eb\u30c9\u306f\u96fb\u78c1\u6ce2\u3092\u53cd\u5c04\u3001\u5438\u53ce\u3001\u307e\u305f\u306f\u6e1b\u8870\u3059\u308b\u6750\u6599\u3067\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4ee3\u8868\u7684\u306a\u30b7\u30fc\u30eb\u30c9\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u91d1\u5c5e\u30b7\u30fc\u30eb\u30c9: \u9285\u3084\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306a\u3069\u306e\u5c0e\u96fb\u6027\u304c\u9ad8\u3044\u91d1\u5c5e\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u91d1\u5c5e\u306f\u96fb\u78c1\u6ce2\u3092\u52b9\u679c\u7684\u306b\u53cd\u5c04\u3057\u3001\u30b7\u30fc\u30eb\u30c9\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/li>\n<li>\u5438\u53ce\u30b7\u30fc\u30eb\u30c9: \u70ad\u7d20\u7e4a\u7dad\u3084\u7279\u5b9a\u306e\u30dd\u30ea\u30de\u30fc\u3092\u542b\u3080\u6750\u6599\u3092\u4f7f\u7528\u3057\u3001\u96fb\u78c1\u6ce2\u3092\u5438\u53ce\u3059\u308b\u3053\u3068\u3067\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u96fb\u5b50\u6a5f\u5668\u306e\u914d\u7f6e\u3068\u8ddd\u96e2<\/h2>\n<p>\u96fb\u5b50\u6a5f\u5668\u306e\u914d\u7f6e\u3084\u8ddd\u96e2\u3082\u5f71\u97ff\u3092\u6e1b\u3089\u3059\u306e\u306b\u91cd\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u5bfe\u7b56\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u6a5f\u5668\u9593\u306e\u8ddd\u96e2\u3092\u4fdd\u3064: \u96fb\u5b50\u6a5f\u5668\u540c\u58eb\u306e\u8ddd\u96e2\u3092\u3067\u304d\u308b\u3060\u3051\u5e83\u3052\u308b\u3053\u3068\u3067\u3001\u96fb\u78c1\u6ce2\u306e\u4ea4\u5dee\u5e72\u6e09\u3092\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002<\/li>\n<li>\u969c\u58c1\u3092\u8a2d\u3051\u308b: \u58c1\u3084\u5e8a\u306a\u3069\u3092\u5229\u7528\u3057\u3066\u7269\u7406\u7684\u306a\u969c\u58c1\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u3001\u96fb\u78c1\u6ce2\u306e\u76f4\u9032\u3092\u59a8\u3052\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6280\u8853<\/h2>\n<p>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6280\u8853\u3082\u96fb\u78c1\u6ce2\u306e\u5f71\u97ff\u3092\u6e1b\u5c11\u3055\u305b\u308b\u305f\u3081\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u4f4e\u901a\u30d5\u30a3\u30eb\u30bf (Low-pass filter): \u9ad8\u5468\u6ce2\u6210\u5206\u3092\u9664\u53bb\u3057\u3001\u4f4e\u5468\u6ce2\u6210\u5206\u3060\u3051\u3092\u901a\u904e\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9ad8\u5468\u6ce2\u6210\u5206\u306b\u3088\u308b\u5e72\u6e09\u3092\u6291\u3048\u307e\u3059\u3002<\/li>\n<li>\u30d0\u30f3\u30c9\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf (Band-pass filter): \u7279\u5b9a\u306e\u5468\u6ce2\u6570\u7bc4\u56f2\u5185\u306e\u4fe1\u53f7\u3060\u3051\u3092\u901a\u904e\u3055\u305b\u3001\u305d\u308c\u4ee5\u5916\u306e\u5468\u6ce2\u6570\u3092\u906e\u65ad\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u9069\u5207\u306a\u30a2\u30fc\u30b9 (Grounding)<\/h2>\n<p>\u9069\u5207\u306a\u30a2\u30fc\u30b9\u6280\u8853\u3082\u91cd\u8981\u3067\u3059\u3002\u30a2\u30fc\u30b9\u7dda\u3092\u9069\u5207\u306b\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u306f\u3001\u96fb\u78c1\u6ce2\u306e\u6d41\u51fa\u3084\u4e0d\u5fc5\u8981\u306a\u96fb\u6ce2\u306e\u5438\u53ce\u3092\u9632\u3050\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b7\u30f3\u30b0\u30eb\u30dd\u30a4\u30f3\u30c8\u30a2\u30fc\u30b9(Single-point grounding): \u5168\u3066\u306e\u6a5f\u5668\u3092\u4e00\u3064\u306e\u5171\u901a\u30a2\u30fc\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30eb\u30fc\u30d7\u96fb\u6d41\u304c\u767a\u751f\u3059\u308b\u30ea\u30b9\u30af\u3092\u6e1b\u5c11\u3055\u305b\u307e\u3059\u3002<\/li>\n<li>\u30de\u30eb\u30c1\u30dd\u30a4\u30f3\u30c8\u30a2\u30fc\u30b9(Multi-point grounding): \u8a2d\u7f6e\u5834\u6240\u306b\u5fdc\u3058\u3066\u8907\u6570\u306e\u30a2\u30fc\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3001\u5c40\u6240\u7684\u306a\u96fb\u4f4d\u5dee\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u96fb\u78c1\u6ce2\u306e\u6709\u5bb3\u306a\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u306f\u3001\u30b7\u30fc\u30eb\u30c9\u3001\u96fb\u5b50\u6a5f\u5668\u306e\u914d\u7f6e\u3068\u8ddd\u96e2\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6280\u8853\u3001\u9069\u5207\u306a\u30a2\u30fc\u30b9\u306a\u3069\u3001\u69d8\u3005\u306a\u65b9\u6cd5\u304c\u6709\u52b9\u3067\u3059\u3002\u3053\u308c\u3089\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u8a2d\u8a08\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u96fb\u78c1\u6ce2\u306e\u6709\u5bb3\u306a\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u8a2d\u8a08\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3002\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306a\u5bfe\u7b56\u3092\u5b66\u3079\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":[102],"tags":[],"class_list":["post-214724","post","type-post","status-publish","format-standard","hentry","category-102","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- 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