{"id":1530,"date":"2026-10-27T08:00:00","date_gmt":"2026-10-26T23:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1530"},"modified":"2026-10-24T08:20:57","modified_gmt":"2026-10-23T23:20:57","slug":"qs-acoustic-impedance-transmission-20261024","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1530","title":{"rendered":"\u97f3\u97ff\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3001\u900f\u904e\u3057\u305f\u97f3\u5727\u304c\u5927\u304d\u304f\u3066\u3082\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u5897\u3048\u306a\u3044"},"content":{"rendered":"

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    \u7c92\u5b50\u901f\u5ea6\u306e\u5b9f\u52b9\u5024\u3082\u3001\u5165\u5c04\u6ce2\u306e0.001 m\/s\u304b\u3089\u900f\u904e\u6ce2\u306e0.0004 m\/s\u3078\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u900f\u904e\u6ce2\u306f\u5727\u529b\u304c\u5927\u304d\u304f\u3066\u3082\u3001\u5a92\u8cea\u306e\u52d5\u304d\u304c\u5c0f\u3055\u3044\u3002\u3053\u306e\u4e21\u65b9\u3092\u639b\u3051\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u904b\u3076\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n

    \u9006\u304b\u3089\u5165\u308b\u3068\u3001\u5909\u308f\u308b\u3082\u306e\u30fb\u5909\u308f\u3089\u306a\u3044\u3082\u306e<\/h2>\n

    \u540c\u3058\u5883\u754c\u3078\u9006\u5074\u304b\u3089\u97f3\u3092\u5165\u308c\u308b\u3068\u3001\u97f3\u5727\u4fc2\u6570\u306f\u5909\u308f\u308a\u307e\u3059\u3002\u6b21\u306e\u8868\u306f\u3001\u3069\u3061\u3089\u306e\u5411\u304d\u3082\u305d\u308c\u305e\u308c\u306e\u5165\u5c04\u6ce2\u3092\u57fa\u6e96<\/strong>\u306b\u3057\u305f\u6bd4\u8f03\u3067\u3059\u3002<\/p>\n

    \n\n\n\n\n\n\n
    \u9032\u3080\u5411\u304d<\/th>\n\u97f3\u5727\u53cd\u5c04 r<\/th>\n\u97f3\u5727\u900f\u904e t<\/th>\n\u53cd\u5c04 R<\/th>\n\u900f\u904e T<\/th>\n<\/tr>\n<\/thead>\n
    \u5c0f\u3055\u3044z \u2192 4\u500d\u306ez<\/td>\n0.6<\/td>\n1.6<\/td>\n36%<\/td>\n64%<\/td>\n<\/tr>\n
    \u5927\u304d\u3044z \u2192 1\/4\u306ez<\/td>\n\u22120.6<\/td>\n0.4<\/td>\n36%<\/td>\n64%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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    \u4e8c\u3064\u306e z<\/em> \u304c\u7b49\u3057\u3051\u308c\u3070\u3001\u3053\u306e\u30e2\u30c7\u30eb\u3067\u306f\u53cd\u5c04\u306f\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u5bc6\u5ea6\u3068\u97f3\u901f\u304c\u305d\u308c\u305e\u308c\u540c\u3058\u3067\u306a\u304f\u3066\u3082\u3001\u7a4d\u306e \u03c1c<\/em> \u304c\u4e00\u81f4\u3059\u308c\u3070\u3001\u5782\u76f4\u5165\u5c04\u6642\u306e\u53cd\u5c04\u3092\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n

    \u6e2c\u5b9a\u3084\u6750\u6599\u306e\u6bd4\u8f03\u3067\u898b\u843d\u3068\u3057\u305f\u304f\u306a\u3044\u6761\u4ef6<\/h2>\n

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    \u672c\u7a3f\u306e\u5f0f\u306f\u3001\u5fae\u5c0f\u632f\u5e45\u306e\u5e73\u9762\u6ce2\u3001\u5747\u8cea\u3067\u5438\u53ce\u306e\u306a\u3044\u4e8c\u3064\u306e\u6d41\u4f53\u3001\u5e73\u3089\u306a\u5883\u754c\u3078\u306e\u5782\u76f4\u5165\u5c04\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u5411\u3053\u3046\u5074\u304b\u3089\u518d\u53cd\u5c04\u304c\u623b\u3063\u3066\u304f\u308b\u5c64\u69cb\u9020\u3001\u5438\u53ce\u306e\u3042\u308b\u6750\u6599\u3001\u659c\u3081\u5165\u5c04\u3001\u305b\u3093\u65ad\u6ce2\u3082\u4f1d\u308f\u308b\u56fa\u4f53\u3067\u306f\u3001\u539a\u3055\u30fb\u5468\u6ce2\u6570\u30fb\u89d2\u5ea6\u306a\u3069\u3092\u542b\u3080\u5225\u306e\u691c\u8a0e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

    \u97f3\u5727\u3068\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u540c\u3058\u7269\u5dee\u3057\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5883\u754c\u3092\u307e\u305f\u3050\u6bd4\u8f03\u3067\u306f\u3001\u300c\u5727\u529b\u304c\u4f55\u500d\u304b\u300d\u3068\u300c\u5165\u5c04\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u4f55\u5272\u304c\u9032\u3093\u3060\u304b\u300d\u3092\u5206\u3051\u308b\u3068\u3001\u898b\u304b\u3051\u306e\u5897\u5e45\u3092\u8aad\u307f\u9055\u3048\u305a\u306b\u6e08\u307f\u307e\u3059\u3002<\/p>\n

    \u51fa\u5178<\/h2>\n
      \n
    1. Oelze, ECE\/TAM373 Notes, Chapter 6 \u2013 Reflection and Transmission<\/a>\uff08University of Illinois\u63b2\u8f09\u3001PDF 1\u301c5\u30da\u30fc\u30b8\uff09\u3002<\/li>\n
    2. UNSW Physclips, Acoustic impedance, intensity and power<\/a>\uff08\u6bd4\u97f3\u97ff\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3001\u97f3\u306e\u5f37\u3055\u3001\u5b9f\u52b9\u5024\u3068\u5b9a\u5728\u6ce2\u306e\u8aac\u660e\uff09\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

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