{"id":102281,"date":"2024-08-26T06:04:23","date_gmt":"2024-08-26T06:04:23","guid":{"rendered":"https:\/\/science-hub.click\/%E3%83%8F%E3%82%A4%E3%83%91%E3%82%B9%E3%83%95%E3%82%A3%E3%83%AB%E3%82%BF%E3%83%BC%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC\/"},"modified":"2024-08-26T06:04:23","modified_gmt":"2024-08-26T06:04:23","slug":"%E3%83%8F%E3%82%A4%E3%83%91%E3%82%B9%E3%83%95%E3%82%A3%E3%83%AB%E3%82%BF%E3%83%BC%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=102281","title":{"rendered":"\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"<div><div><h2>\u5c0e\u5165<\/h2><div><div><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/eqw02BlVzRw\/0.jpg\" style=\"width:100%;\"\/><\/figure><div>\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u9069\u7528\u3057\u305f\u753b\u50cf\uff08\u53f3\u306e\u7d50\u679c\uff09<\/div><\/div><\/div><p><b>\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001<\/b>\u9ad8\u5468\u6ce2\u3092\u901a\u904e\u3055\u305b\u3001\u4f4e\u5468\u6ce2\u3001\u3064\u307e\u308a\u30ab\u30c3\u30c8\u30aa\u30d5<span><a href=\"https:\/\/science-hub.click\/?p=21808\">\u5468\u6ce2\u6570<\/a><\/span>\u3088\u308a\u4e0b\u306e\u5468\u6ce2\u6570\u3092\u6e1b\u8870\u3055\u305b\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u3059\u3002\u30ed\u30fc\u30ab\u30c3\u30c8<span>\u30d5\u30a3\u30eb\u30bf\u30fc<\/span>\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<b>\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u306f<\/b><span><a href=\"https:\/\/science-hub.click\/?p=81717\">\u30ed\u30fc\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc<\/a><\/span>\u306e<span><a href=\"https:\/\/science-hub.click\/?p=35670\">\u9006\u3067<\/a><\/span>\u3042\u308a\u3001\u3053\u308c\u3089 2 \u3064\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30d0\u30f3\u30c9\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u5f62\u6210\u3057\u307e\u3059\u3002<\/p><p><b>\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc<\/b>\u306e\u6982\u5ff5\u306f\u3001<span><a href=\"https:\/\/science-hub.click\/?p=25552\">\u30c7\u30fc\u30bf<\/a><\/span>(\u4fe1\u53f7) \u306b\u9069\u7528\u3055\u308c\u308b\u6570\u5b66\u7684\u5909\u63db\u3067\u3059\u3002<b>\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc<\/b>\u306e<span><a href=\"https:\/\/science-hub.click\/?p=62923\">\u5b9f\u88c5\u306f\u3001<\/a><\/span>\u30c7\u30b8\u30bf\u30eb\u307e\u305f\u306f\u96fb\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5909\u63db\u306e\u6a5f\u80fd\u306f\u3001\u9ad8\u5468\u6ce2\u6570\u306e\u307f\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3001\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570<span><i>f<\/i> <sub><i>c<\/i><\/sub><\/span>\u3088\u308a\u4e0b\u306e\u5468\u6ce2\u6570\u3092\u6e1b\u8870\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e 2 \u3064\u306e\u7406\u60f3\u7684\u306a\u52d5\u4f5c\u30e2\u30fc\u30c9 (\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u307e\u305f\u306f\u901a\u904e) \u3092\u5206\u3051\u308b\u5468\u6ce2\u6570\u3067\u3059\u3002<\/p><h2>\u7406\u60f3\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30fc<\/h2><p>\u7406\u60f3\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u3044\u308f\u3086\u308b\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3067\u30b2\u30a4\u30f3\u3092\u5373\u5ea7\u306b\u5909\u66f4 (\u7dda\u5f62\u30b9\u30b1\u30fc\u30eb\u3067 1 \u304b\u3089 0 \u307e\u305f\u306f 0 \u304b\u3089 1) \u3067\u304d\u308b\u7406\u8ad6\u4e0a\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306f\u30b2\u30a4\u30f3<i>Gmax<\/i> -3 dB \u3067\u3042\u308a\u3001\u305d\u306e\u5f8c\u3053\u306e\u30b2\u30a4\u30f3\u306f \u306b\u3088\u3063\u3066\u6e1b\u5c11\u3057\u307e\u3059\u3002 <div class=\"math-formual notranslate\">$$ {-n\\times 20 dB} $$<\/div> 10 \u5e74\u3054\u3068 (\u6b21\u6570<span><i>n<\/i><\/span>\u306e\u30d5\u30a3\u30eb\u30bf\u30fc)\u3002<\/p><h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2><p>\u3053\u306e\u3088\u3046\u306a\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u30b9\u30d4\u30fc\u30ab\u30fc\u3067\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c4\u30a4\u30fc\u30bf\u30fc\u306b\u640d\u50b7\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u4f4e\u5468\u6ce2\u3092\u30d6\u30ed\u30c3\u30af\u3057<span><a href=\"https:\/\/science-hub.click\/?p=95765\">\u306a\u304c\u3089\u3001<\/a><\/span>\u9ad8\u5468\u6ce2\u3092\u30c4\u30a4\u30fc\u30bf\u30fc\u306b\u5411\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3088\u308a\u4f4e\u3044\u5468\u6ce2\u6570\u306f\u3001\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4ecb\u3057\u3066\u5a92\u4f53\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p><p>\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u30ed\u30fc\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u5468\u6ce2\u6570\u9818\u57df\u3067\u5909\u63db\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001<span>\u30c7\u30b8\u30bf\u30eb<\/span><span><a href=\"https:\/\/science-hub.click\/?p=83333\">\u30ce\u30a4\u30ba<\/a><\/span>\u3092\u9664\u53bb\u3057\u305f\u308a\u3001\u898b\u304b\u3051\u306e\u9bae\u660e\u3055\u3092\u9ad8\u3081\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u3001\u753b\u50cf\u51e6\u7406\u3067\u3082\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><p><span><a href=\"https:\/\/science-hub.click\/?p=38204\">\u7d71\u8a08\u5b66<\/a><\/span>\u3067\u306f\u3001\u30c7\u30fc\u30bf\u7cfb\u5217\u304b\u3089\u306e\u4fe1\u53f7\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u30ed\u30fc\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><h2>\u30a2\u30ca\u30ed\u30b0\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc<\/h2><p><b>\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001<\/b>\u96fb\u5b50\u90e8\u54c1\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30ca\u30ed\u30b0\u7684\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u9023\u7d9a\u4fe1\u53f7\u306b<span><a href=\"https:\/\/science-hub.click\/?p=82055\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0<\/a><\/span>\u3067\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u56de\u8def\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u69cb\u6210\u306b\u3088\u308a\u3001\u6b21\u6570\u3001\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3001<span><a href=\"https:\/\/science-hub.click\/?p=28116\">\u30dc\u30fc\u30c9\u7dda\u56f3<\/a><\/span>\u306a\u3069\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u3055\u307e\u3056\u307e\u306a\u7279\u6027\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u53e4\u5178\u7684\u306a\u30a2\u30ca\u30ed\u30b0 \u30d5\u30a3\u30eb\u30bf\u30fc\u306f 1 \u6b21\u307e\u305f\u306f 2 \u6b21\u3067\u3059\u3002\u30a2\u30ca\u30ed\u30b0 \u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u306f\u3001\u30d0\u30bf\u30fc\u30ef\u30fc\u30b9\u3001\u30c1\u30a7\u30d3\u30b7\u30a7\u30d5\u3001\u30d9\u30c3\u30bb\u30eb\u3001\u6955\u5186\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u30d5\u30a1\u30df\u30ea\u30fc\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u3058\u30d5\u30a1\u30df\u30ea\u30fc\u306e\u30d5\u30a3\u30eb\u30bf\u306e\u5b9f\u88c5\u306f\u901a\u5e38\u3001\u540c\u3058\u56de\u8def\u69cb\u6210\u3092\u4f7f\u7528\u3057\u3066\u884c\u308f\u308c\u3001\u3053\u308c\u3089\u306f\u540c\u3058\u5f62\u5f0f\u306e<span><a href=\"https:\/\/science-hub.click\/?p=75831\">\u4f1d\u9054\u95a2\u6570<\/a><\/span>\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u5909\u5316\u3059\u308b\u306e\u306f\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u3064\u307e\u308a<span>\u96fb\u6c17\u56de\u8def<\/span>\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5024\u3067\u3059\u3002<\/p><h3><span>\u4e00\u6b21\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc<\/span><\/h3><p>1 \u6b21<b>\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001<\/b>\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570<span><i>f<\/i> <sub><i>c<\/i><\/sub><\/span>\u3068\u901a\u904e\u5e2f\u57df<span><i>K<\/i><\/span>\u3067\u306e\u30b2\u30a4\u30f3\u306b\u3088\u3063\u3066\u7279\u5fb4\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4f1d\u9054\u95a2\u6570\u306f\u3001 <span>\u03c9 <sub><i>n \u3092<\/i><\/sub><\/span><span>\u03c9 <sub><i>c<\/i><\/sub> \/ \u03c9<\/span>\u306b\u7f6e\u304d\u63db\u3048\u3066\u6b63\u898f\u5316\u3055\u308c\u305f\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u975e\u6b63\u898f\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u53d6\u5f97\u3055\u308c\u3001\u6b21\u306e\u4f1d\u9054\u95a2\u6570\u304c\u5f97\u3089\u308c\u307e\u3059\u3002 <\/p><center><div class=\"math-formual notranslate\">$$ {H(j \\omega) = \\frac{v_o}{v_i} = \\frac {Kj \\frac{\\omega}{\\omega_c}}{1+j\\frac{\\omega}{\\omega_c}}} $$<\/div><\/center><center>\u307e\u305f\u306f<br\/><span>\u03c9 = 2\u03c0 <i>f<\/i><\/span><br\/> <span>\u03c9 <sub><i>c<\/i><\/sub> = 2\u03c0 <i>f<\/i> <sub><i>c<\/i><\/sub><\/span><\/center><p>\u4f1d\u9054\u95a2\u6570\u306e\u4fc2\u6570\u3068<span><a href=\"https:\/\/science-hub.click\/?p=15396\">\u4f4d\u76f8\u306f<\/a><\/span>\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p><center><div class=\"math-formual notranslate\">$$ {|H(\\omega)| = |\\frac{v_o}{v_i}|=\\frac{K \\frac{\\omega}{\\omega_c}}{\\sqrt{1+\\big(\\frac{\\omega}{\\omega_c}\\big)^2}}} $$<\/div><\/center><center><div class=\"math-formual notranslate\">$$ {\\phi(\\omega) = \\arg H(j \\omega) =\\frac{\\pi}{2} &#8211; \\arg(1+j\\frac{\\omega}{\\omega_c})= \\frac{\\pi}{2} &#8211; \\arctan(\\frac{\\omega}{\\omega_c})} $$<\/div><\/center><p>\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u80fd\u52d5\u7684\u5b9f\u73fe\u3068\u53d7\u52d5\u7684\u5b9f\u73fe\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 <i>K \u306f<\/i>\u30d5\u30a3\u30eb\u30bf\u30fc\u30b2\u30a4\u30f3\u3067\u3059\u3002<\/p><h4><span>\u53d7\u52d5\u56de\u8def<\/span><\/h4><div><div><figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/dbpKZG3rhAg\/0.jpg\" style=\"width:100%;\"\/><\/figure><div>\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u56f3<\/div><\/div><\/div><p>\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u7269\u7406\u7684\u306b\u4f5c\u6210\u3059\u308b\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u3001 <span><a href=\"https:\/\/science-hub.click\/?p=108907\">RC \u56de\u8def<\/a><\/span>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u540d\u306e\u3068\u304a\u308a\u3001\u3053\u306e\u56de\u8def\u306f\u5bb9\u91cf<span><i>C<\/i><\/span>\u306e<span><a href=\"https:\/\/science-hub.click\/?p=8480\">\u30b3\u30f3\u30c7\u30f3\u30b5<\/a><\/span>\u3068\u62b5\u6297<span><i>R<\/i><\/span>\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089 2 \u3064\u306e\u8981\u7d20\u306f\u3001<span><a href=\"https:\/\/science-hub.click\/?p=26568\">\u4fe1\u53f7<\/a><\/span>\u306e\u30bd\u30fc\u30b9<span><i>v<\/i> <sub><i>i<\/i><\/sub><\/span>\u3068\u76f4\u5217\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u51fa\u529b\u4fe1\u53f7<span><i>v<\/i> <sub><i>o \u306f<\/i><\/sub><\/span>\u62b5\u6297\u5668\u3092\u4ecb\u3057\u3066\u56de\u5fa9\u3055\u308c\u307e\u3059\u3002\u56de\u8def\u306f\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u540c\u3058\u3067\u3059\u304c\u3001\u62b5\u6297\u3068\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u4f4d\u7f6e\u304c\u9006\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4f1d\u9054\u95a2\u6570\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001\u8981\u7d20\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30d7\u30e9\u30b9\u9818\u57df\u3067\u4f5c\u696d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u56de\u8def\u306f\u5358\u7d14\u306a<span><a href=\"https:\/\/science-hub.click\/?p=83041\">\u5206\u5727\u5668<\/a><\/span>\u3068\u306a\u308a\u3001\u6b21\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002 <\/p><center><div class=\"math-formual notranslate\">$$ { H(j \\omega) = \\frac{v_o}{v_i} = \\frac {jRC\\omega}{1+jRC\\omega}} $$<\/div><\/center><p>\u3053\u306e<span><a href=\"https:\/\/science-hub.click\/?p=66517\">\u5f0f<\/a><\/span>\u3067\u3001 <span><i>j \u306f<\/i><\/span><span><a href=\"https:\/\/science-hub.click\/?p=94201\">\u8907\u7d20\u6570<\/a><\/span>\u3001-1 \u306e<span><a href=\"https:\/\/science-hub.click\/?p=93175\">\u5e73\u65b9\u6839<\/a><\/span>\u3001 <span>\u03c9 \u306f<\/span>\u56de\u8def\u8108\u52d5\u307e\u305f\u306f\u534a\u5f84\u5468\u6ce2\u6570 (rad\/s \u3067\u8868\u3055\u308c\u307e\u3059) \u3067\u3059\u3002 RC \u56de\u8def\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p><center><div class=\"math-formual notranslate\">$$ { f_c = \\frac {1}{2\\pi RC}} $$<\/div>\u307e\u305f\u306f<div class=\"math-formual notranslate\">$$ {\\omega_c = \\frac {1}{RC} } $$<\/div><\/center><p>\u3053\u3053\u3067\u3001\u30ab\u30c3\u30c8\u30aa\u30d5\u8108\u52d5\u3067\u3042\u308b<span>\u03c9 <sub><i>c \u306f<\/i><\/sub><\/span>\u3001\u56de\u8def\u81ea\u4f53\u306e\u8108\u52d5<span>\u03c9 <sub><i>o<\/i><\/sub><\/span>\u3067\u3082\u3042\u308a\u3001\u56de\u8def\u306e\u6642\u5b9a\u6570<span>\u03c4<\/span>\u306e\u9006\u6570\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001<span><a href=\"https:\/\/science-hub.click\/?p=3750\">\u5b9f\u969b\u306b\u3001<\/a><\/span>\u4e00\u6b21\u30ed\u30fc\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u5178\u578b\u7684\u306a\u4f1d\u9054\u95a2\u6570\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p><p>\u30dc\u30fc\u30c9\u7dda\u56f3\u3067\u4f7f\u7528\u3055\u308c\u308b\u89b3\u6e2c\u53ef\u80fd\u306a\u7269\u7406\u91cf\u304b\u3089\u6b21\u306e\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p><div><div> <figure class=\"wp-block-image size-large is-style-default\">\n<img decoding=\"async\" alt=\"\" class=\"aligncenter\" onerror=\"this.style.display=none;\" src=\"https:\/\/img.youtube.com\/vi\/Z2A0nvMniBM\/0.jpg\" style=\"width:100%;\"\/><\/figure><div>\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30dc\u30fc\u30c9\u7dda<span><a href=\"https:\/\/science-hub.click\/?p=47390\">\u56f3<\/a><\/span>\uff081\u6b21\u7cfb\uff09<\/div><\/div><\/div><ul><li>\u30c7\u30b7\u30d9\u30eb\u5358\u4f4d\u306e\u30b2\u30a4\u30f3: <\/li><\/ul><center><div class=\"math-formual notranslate\">$$ { G_{dB}(\\omega) = 20 \\cdot \\log |H(j\\omega)| = -10 \\cdot \\log (1+({\\frac{\\omega_c}{\\omega}})^2) } $$<\/div><\/center><ul><li>\u30e9\u30b8\u30a2\u30f3\u5358\u4f4d\u306e\u4f4d\u76f8: <\/li><\/ul><center><div class=\"math-formual notranslate\">$$ { \\phi(\\omega) = \\arg H(\\omega) = &#8211; \\arg(1+j\\frac{\\omega_c}{\\omega}) } $$<\/div><\/center><center><div class=\"math-formual notranslate\">$$ {=  \\frac{\\pi}{2} &#8211; \\arctan(\\frac{\\omega}{\\omega_c}) } $$<\/div><\/center><p>\u6b21\u306b\u30012 \u3064\u306e\u7406\u60f3\u7684\u306a\u72b6\u6cc1\u3092\u533a\u5225\u3057\u307e\u3059\u3002<\/p><ul><li>\u3044\u3064<div class=\"math-formual notranslate\">$$ {\\omega \\ll \\omega_c} $$<\/div> : <\/li><\/ul><center><div class=\"math-formual notranslate\">$$ {G_{dB} \\sim -20 \\cdot \\log (\\frac{\\omega_c}{\\omega})} $$<\/div>\u305d\u3057\u3066<div class=\"math-formual notranslate\">$$ {\\phi \\simeq 90} $$<\/div> (\u4fe1\u53f7\u306f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u307e\u3059)<\/center><ul><li>\u3044\u3064<div class=\"math-formual notranslate\">$$ {\\omega \\gg \\omega_c} $$<\/div> : <\/li><\/ul><center><div class=\"math-formual notranslate\">$$ {G_{dB} \\simeq 0} $$<\/div>\u305d\u3057\u3066<div class=\"math-formual notranslate\">$$ {\\phi \\simeq 0} $$<\/div> \uff08\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u30d1\u30b9\u30b9\u30eb\u30fc\u3067\u3059\uff09<\/center><p> <span>\u03c9 = \u03c9 <sub><i>c<\/i><\/sub><\/span>\u306e\u5834\u5408\u3001 <span><i>G<\/i> <sub><i>d<\/i> <i>B<\/i><\/sub><\/span> = -3 dB \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p><\/div><h2 class=\"ref_link\">\u53c2\u8003\u8cc7\u6599<\/h2><ol><li><a class=\"notranslate\" href=\"https:\/\/af.wikipedia.org\/wiki\/Filter\">Filter \u2013 afrikaans<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/ar.wikipedia.org\/wiki\/%D9%85%D8%B1%D8%B4%D8%AD_(%D8%AA%D9%88%D8%B6%D9%8A%D8%AD)\">\u0645\u0631\u0634\u062d (\u062a\u0648\u0636\u064a\u062d) \u2013 arabe<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/bg.wikipedia.org\/wiki\/%D0%A4%D0%B8%D0%BB%D1%82%D1%8A%D1%80\">\u0424\u0438\u043b\u0442\u044a\u0440 \u2013 bulgare<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Filtre\">Filtre \u2013 catalan<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/da.wikipedia.org\/wiki\/Filter\">Filter \u2013 danois<\/a><\/li><li> <a class=\"notranslate\" href=\"https:\/\/de.wikipedia.org\/wiki\/Filter\">Filter \u2013 allemand<\/a><\/li><\/ol><\/div>\n<div class=\"feature-video\">\n <h2>\n  \u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n <div class=\"video-item\">\n  \n  <figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n   <div class=\"wp-block-embed__wrapper\">\n    <iframe loading=\"lazy\" title=\"\u3010\u96fb\u6c17\u56de\u8def\u3011\u307f\u3093\u306a\u77e5\u3063\u3066\u308b\uff01\u30d5\u30a3\u30eb\u30bf\u306e\u7a2e\u985e\u3068\u7279\u5fb4 #50\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Z2A0nvMniBM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n   <\/div>\n  <\/figure>\n  \n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0e\u5165 \u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u9069\u7528\u3057\u305f\u753b\u50cf\uff08\u53f3\u306e\u7d50\u679c\uff09 \u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u9ad8\u5468\u6ce2\u3092\u901a\u904e\u3055\u305b\u3001\u4f4e\u5468\u6ce2\u3001\u3064\u307e\u308a\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3088\u308a\u4e0b\u306e\u5468\u6ce2\u6570\u3092\u6e1b\u8870\u3055\u305b\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u3059\u3002\u30ed\u30fc\u30ab\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002\u30cf\u30a4\u30d1\u30b9 \u30d5\u30a3\u30eb\u30bf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":102282,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/img.youtube.com\/vi\/1PRZ6Qb4KwY\/0.jpg","fifu_image_alt":"\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac","footnotes":""},"categories":[5],"tags":[89173,89172,11,13,14,10,1263,12,8,16,15,9],"class_list":["post-102281","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dictionary","tag-saint-aubin-sur-loire","tag-chateau-de-saint-aubin-sur-loire","tag-techniques","tag-technologie","tag-news","tag-actualite","tag-filtre","tag-dossier","tag-definition","tag-sciences","tag-article","tag-explications"],"_links":{"self":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/102281"}],"collection":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=102281"}],"version-history":[{"count":0,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/posts\/102281\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=\/wp\/v2\/media\/102282"}],"wp:attachment":[{"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=102281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=102281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/science-hub.click\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=102281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}