{"id":202,"date":"2026-08-18T23:47:56","date_gmt":"2026-08-18T15:47:56","guid":{"rendered":"https:\/\/www.bgdyx.com\/?p=202"},"modified":"2026-08-18T23:48:00","modified_gmt":"2026-08-18T15:48:00","slug":"%e6%88%90%e9%83%bd%e5%ae%b6%e5%ba%ad%e5%bd%b1%e9%99%a2%e9%9a%94%e9%9f%b3%e6%80%8e%e4%b9%88%e5%81%9a%ef%bc%9f%e4%b8%93%e4%b8%9a%e5%a3%b0%e5%ad%a6%e5%b7%a5%e7%a8%8b%e5%b8%88%e7%9a%84%e6%96%bd%e5%b7%a5","status":"publish","type":"post","link":"https:\/\/www.bgdyx.com\/index.php\/2026\/08\/18\/%e6%88%90%e9%83%bd%e5%ae%b6%e5%ba%ad%e5%bd%b1%e9%99%a2%e9%9a%94%e9%9f%b3%e6%80%8e%e4%b9%88%e5%81%9a%ef%bc%9f%e4%b8%93%e4%b8%9a%e5%a3%b0%e5%ad%a6%e5%b7%a5%e7%a8%8b%e5%b8%88%e7%9a%84%e6%96%bd%e5%b7%a5\/","title":{"rendered":"\u6210\u90fd\u5bb6\u5ead\u5f71\u9662\u9694\u97f3\u600e\u4e48\u505a\uff1f\u4e13\u4e1a\u58f0\u5b66\u5de5\u7a0b\u5e08\u7684\u65bd\u5de5\u65b9\u6848"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u270d\ufe0f \u5f20\u4e4b\u5f6c \u00b7 \u6280\u672f\u603b\u76d1\u3000\ud83c\udfe2 \u6210\u90fd\u5b8f\u5a01\u89c6\u542c\u79d1\u6280\u6709\u9650\u516c\u53f8\u3000\ud83d\udcc5 2026-08-018<br>\ud83d\udd16 \u8d28\u91cf\u5b9a\u5f8b \u00b7 STC\/Rw \u00b7 \u53cc\u5c42\u5899\u5171\u632f \u00b7 \u77ed\u677f\u6548\u5e94<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\u505a\u5bb6\u5ead\u5f71\u9662\u9694\u97f3\u65b9\u6848\uff0c\u6211\u89c1\u8fc7\u592a\u591a&#8221;\u6750\u6599\u5806\u5f97\u5f88\u8db3\u3001\u6548\u679c\u5374\u4e0d\u8fbe\u6807&#8221;\u7684\u6848\u4f8b\uff1a\u9f99\u9aa8\u7528\u4e86\u53cc\u5c42\u3001\u77f3\u818f\u677f\u52a0\u4e86\u4e09\u5c42\u3001\u5ca9\u68c9\u585e\u5f97\u6ee1\u6ee1\u5f53\u5f53\uff0c\u4e1a\u4e3b\u6295\u5165\u4e0d\u5c0f\uff0c\u7ed3\u679c\u90bb\u5c45\u8fd8\u662f\u6765\u6572\u95e8\u3002\u95ee\u9898\u5f80\u5f80\u4e0d\u5728&#8221;\u7528\u4e86\u591a\u5c11\u6750\u6599&#8221;\uff0c\u800c\u5728<strong>\u6ca1\u6709\u6309\u7269\u7406\u89c4\u5f8b\u53bb\u6838\u7b97<\/strong>\u2014\u2014\u9694\u58f0\u662f\u4e00\u95e8\u53ef\u4ee5\u7cbe\u786e\u8ba1\u7b97\u7684\u5de5\u7a0b\u5b66\u79d1\uff0c\u4e0d\u662f&#8221;\u8d8a\u539a\u8d8a\u597d&#8221;\u7684\u7ecf\u9a8c\u5806\u6599\uff0c\u4e00\u5b9a\u8981\u7528\u79d1\u5b66\u7684\u624b\u6bb5\uff0c\u628a\u94b1\u7528\u5728\u5200\u5203\u4e0a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7bc7\u6587\u7ae0\u6211\u4f1a\u628a\u9694\u58f0\u8bbe\u8ba1\u4e2d\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u3001\u4f46\u51b3\u5b9a\u6210\u8d25\u7684\u4e09\u6761\u7269\u7406\u539f\u7406\u8bb2\u6e05\u695a\uff1a<em>\u8d28\u91cf\u5b9a\u5f8b<\/em> \u51b3\u5b9a\u4e86\u5355\u5c42\u5899\u4f53\u7684\u9694\u58f0\u57fa\u7ebf\uff0c<em>\u8d28\u91cf-\u5f39\u7c27-\u8d28\u91cf\u5171\u632f<\/em> \u51b3\u5b9a\u4e86\u53cc\u5c42\u5899\u4f53\u4f1a\u4e0d\u4f1a\u5728\u67d0\u4e2a\u9891\u7387&#8221;\u5e2e\u5012\u5fd9&#8221;\uff0c<em>\u590d\u5408\u6784\u4ef6\u77ed\u677f\u6548\u5e94<\/em> \u51b3\u5b9a\u4e86\u4e00\u6247\u95e8\u80fd\u4e0d\u80fd\u62d6\u57ae\u6574\u5835\u5899\u7684\u9694\u58f0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u7f6e\u6982\u5ff5\uff1a\u5438\u58f0 \u2260 \u9694\u58f0\uff0cSTC \u2260 Rw<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5148\u5398\u6e05\u4e24\u4e2a\u4e0d\u80fd\u6df7\u7528\u7684\u6982\u5ff5\uff1a<\/strong> \u5438\u58f0\uff08Sound Absorption\uff09\u662f\u5173\u4e8e\u4e00\u4e2a\u7a7a\u95f4\u7684\u95ee\u9898\uff0c\u89e3\u51b3\u7684\u662f\u5ba4\u5185\u6df7\u54cd\u65f6\u95f4\u548c\u97f3\u8d28\u6e05\u6670\u5ea6\uff0c\u9760\u591a\u5b54\u6750\u6599\u5438\u6536\u623f\u95f4\u5185\u90e8\u7684\u53cd\u5c04\u58f0\uff1b\u9694\u58f0\uff08Sound Insulation \/ Isolation\uff09\u662f\u7a7a\u95f4\u4e0e\u7a7a\u95f4\u4e4b\u95f4\u7684\u58f0\u97f3\u7684\u4f20\u9012\uff0c\u89e3\u51b3\u7684\u662f\u58f0\u80fd\u5411\u5916\u4f20\u64ad\u7684\u95ee\u9898\uff0c\u9760\u9762\u5bc6\u5ea6\u3001\u5f39\u6027\u89e3\u8026\u548c\u5bc6\u5c01\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9694\u58f0\u91cf\u7684\u56fd\u9645\u901a\u7528\u8bc4\u4ef7\u6307\u6807\u662f <strong>STC\uff08Sound Transmission Class\uff0c\u4f9d\u636e ASTM E413 \u8ba1\u7b97\uff09<\/strong>\uff0c\u4e2d\u56fd\u6807\u51c6\u4f53\u7cfb\u4e2d\u5bf9\u5e94\u7684\u662f <strong>Rw \u53ca\u5176\u9891\u8c31\u4fee\u6b63\u91cf Rw+C \/ Rw+Ctr\uff08\u53c2\u7167 ISO 717-1\uff09<\/strong>\u3002\u5bb6\u5ead\u5f71\u9662\u9694\u5899\u7684\u57fa\u7840\u76ee\u6807\u5efa\u8bae <strong>STC \u2265 55<\/strong>\uff0c\u9ad8\u7aef\u9879\u76ee\u6216\u5bf9\u90bb\u91cc\u5173\u7cfb\u9ad8\u5ea6\u654f\u611f\u7684\u573a\u666f\u5efa\u8bae <strong>STC \u2265 60<\/strong>\uff1b\u56fd\u5bb6\u6807\u51c6\u300a\u6c11\u7528\u5efa\u7b51\u9694\u58f0\u8bbe\u8ba1\u89c4\u8303\u300b\uff08GB 50118-2010\uff09\u5bf9\u4f4f\u5b85\u5206\u6237\u5899\u3001\u697c\u677f\u7684\u7a7a\u6c14\u58f0\u9694\u58f0\u7ed9\u51fa\u4e86\u5f3a\u5236\u5e95\u7ebf\u8981\u6c42\uff0c\u91cf\u7ea7\u5927\u81f4\u5728 Rw+C \u2248 45 dB \u5de6\u53f3\uff0c\u5bb6\u5ead\u5f71\u9662\u4f5c\u4e3a\u9ad8\u5f3a\u5ea6\u58f0\u6e90\u623f\u95f4\uff0c\u5b9e\u9645\u76ee\u6807\u5fc5\u987b\u663e\u8457\u9ad8\u4e8e\u8fd9\u4e00\u6c11\u7528\u5e95\u7ebf\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>STC \u4e0e Rw \u4e0d\u662f\u540c\u4e00\u56de\u4e8b\uff0c\u9009\u578b\u65f6\u8981\u6ce8\u610f\uff1a<\/strong> STC \u4f9d\u636e ASTM E413 \u8ba1\u7b97\uff0c\u5176\u53c2\u8003\u66f2\u7ebf\u5bf9\u4f4e\u9891\u7f3a\u9677\u7684\u60e9\u7f5a\u4e0a\u9650\u8f83\u5c0f\uff08\u5355\u4e2a 1\/3 \u500d\u9891\u7a0b\u504f\u5dee\u6263\u5206\u4e0a\u9650\u7ea6 8 dB\uff0c\u603b\u504f\u5dee\u6263\u5206\u4e0a\u9650\u7ea6 32 dB\uff09\uff1b\u800c ISO 717-1 \u4f53\u7cfb\u4e2d\u7684 Rw+C\uff08\u5c24\u5176 Rw+Ctr\uff0c\u9488\u5bf9\u4ea4\u901a\u566a\u58f0\u7b49\u4f4e\u9891\u4e3b\u5bfc\u7684\u9891\u8c31\u505a\u4fee\u6b63\uff09\u5bf9\u4f4e\u9891\u8868\u73b0\u66f4\u654f\u611f\u3002\u8fd9\u610f\u5473\u7740<strong>\u540c\u4e00\u4e2a\u8f7b\u8d28\u53cc\u5c42\u5899\u6784\u9020\uff0c\u6807\u79f0 STC \u53ef\u80fd&#8221;\u770b\u8d77\u6765\u8fbe\u6807&#8221;\uff0c\u4f46\u6362\u7b97\u5230 Rw+Ctr \u6216\u505a\u5206\u9891\u5b9e\u6d4b\uff0c\u4f4e\u9891\u6bb5\u7684\u771f\u5b9e\u77ed\u677f\u4f1a\u88ab\u66f4\u6e05\u695a\u5730\u66b4\u9732\u51fa\u6765<\/strong>\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u8d28\u91cf\u5b9a\u5f8b\uff1a\u5355\u5c42\u5899\u9694\u58f0\u7684\u7269\u7406\u57fa\u7ebf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u5c42\u5899\u4f53\uff08\u6216\u697c\u677f\uff09\u7684\u9694\u58f0\u80fd\u529b\uff0c\u7531\u58f0\u5b66\u4e2d\u6700\u57fa\u7840\u7684<strong>\u8d28\u91cf\u5b9a\u5f8b\uff08Mass Law\uff09<\/strong>\u51b3\u5b9a\u3002\u58f0\u6ce2\u5165\u5c04\u5230\u4e00\u9762\u5747\u5300\u3001\u65e0\u9650\u5927\u3001\u4ec5\u53d7\u8d28\u91cf\u63a7\u5236\uff08\u5ffd\u7565\u5f2f\u66f2\u521a\u5ea6\u548c\u963b\u5c3c\uff09\u7684\u8584\u677f\u65f6\uff0c\u4f20\u9012\u635f\u5931\u53ef\u7528\u4e0b\u5f0f\u4f30\u7b97\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u51fa\u5904\uff1aL. Cremer\uff0c1942 \u5e74\u63d0\u51fa\u7684\u73b0\u573a\u5165\u5c04 \/ \u65e0\u89c4\u5219\u5165\u5c04\u4fee\u6b63\u516c\u5f0f\uff0c\u6536\u5f55\u4e8e Beranek &amp; V\u00e9r, <em>Noise and Vibration Control Engineering<\/em>, 2nd ed., Wiley, 2006\uff1b\u4ea6\u89c1 Cyril M. Harris, <em>Noise Control in Buildings<\/em>, McGraw-Hill, 1994<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8d28\u91cf\u5b9a\u5f8b\uff08\u73b0\u573a \/ \u65e0\u89c4\u5219\u5165\u5c04\uff0c\u5de5\u7a0b\u5e38\u7528\u5f0f\uff09<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=TL%20%3D%2020%5Clg(m%20%5Ccdot%20f)%20-%2047.5%20%5Cquad%20%5Ctext%7B(dB)%7D%0A%5C%5C\" alt=\"TL = 20\\lg(m \\cdot f) - 47.5 \\quad \\text{(dB)}\n\\\\\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=TL\" alt=\"TL\">\uff1a\u4f20\u9012\u635f\u5931 \/ \u9694\u58f0\u91cf\uff08dB\uff09<\/li>\n\n\n\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=m\" alt=\"m\">\uff1a\u5899\u4f53\u9762\u5bc6\u5ea6\uff08kg\/m\u00b2\uff09<\/li>\n\n\n\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f\" alt=\"f\">\uff1a\u58f0\u6ce2\u9891\u7387\uff08Hz\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u516c\u5f0f\u63ed\u793a\u4e86\u4e24\u6761\u94c1\u5f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8d28\u91cf\u6bcf\u589e\u52a0\u4e00\u500d\uff0c\u9694\u58f0\u91cf\u63d0\u5347\u7ea6 6 dB<\/strong>\uff08\u56e0\u4e3a <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=20%5Clg%202%20%5Capprox%206.02\" alt=\"20\\lg 2 \\approx 6.02\">\uff09<\/li>\n\n\n\n<li><strong>\u9891\u7387\u6bcf\u63d0\u9ad8\u4e00\u4e2a\u500d\u9891\u7a0b\uff08\u7ffb\u500d\uff09\uff0c\u9694\u58f0\u91cf\u4e5f\u63d0\u5347\u7ea6 6 dB<\/strong>\u2014\u2014\u53cd\u8fc7\u6765\u8bf4\uff0c\u9891\u7387\u8d8a\u4f4e\uff0c\u9694\u58f0\u8d8a\u96be\uff0c\u8fd9\u662f\u4f4e\u9891&#8221;\u7a7f\u5899\u900f\u697c&#8221;\u7684\u6839\u672c\u7269\u7406\u539f\u56e0\uff0c\u4e0e\u8bbe\u5907\u597d\u574f\u65e0\u5173<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u697c\u677f\u9694\u58f0\u91cf\u5bf9\u7167\u8868\uff08\u9762\u5bc6\u5ea6 250 kg\/m\u00b2\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u6210\u90fd\u4f4f\u5b85\u5e38\u89c1\u7684\u7ea6 100\uff5e110 mm \u539a\u94a2\u7b4b\u6df7\u51dd\u571f\u697c\u677f\u4e3a\u4f8b\uff08\u94a2\u7b4b\u6df7\u51dd\u571f\u5bc6\u5ea6\u7ea6 2400\uff5e2500 kg\/m\u00b3\uff0c\u5bf9\u5e94\u9762\u5bc6\u5ea6\u7ea6 250 kg\/m\u00b2\uff09\uff0c\u4ee3\u5165\u516c\u5f0f\u53ef\u5f97\u5404\u9891\u6bb5\u7684\u7406\u8bba\u9694\u58f0\u91cf\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-center\" data-align=\"center\">\u9891\u7387<\/th><th class=\"has-text-align-center\" data-align=\"center\">250 kg\/m\u00b2 \u697c\u677f\u7406\u8bba TL<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u76f8\u5bf9 63 Hz \u7684\u63d0\u5347<\/th><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">63 Hz\uff08\u4f4e\u97f3\u70ae\u6838\u5fc3\u9891\u6bb5\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 36.4 dB<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u57fa\u51c6<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">125 Hz<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 42.4 dB<\/td><td class=\"has-text-align-center\" data-align=\"center\">+6 dB<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">250 Hz<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 48.4 dB<\/td><td class=\"has-text-align-center\" data-align=\"center\">+12 dB<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">500 Hz<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 54.4 dB<\/td><td class=\"has-text-align-center\" data-align=\"center\">+18 dB<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1000 Hz<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 60.4 dB<\/td><td class=\"has-text-align-center\" data-align=\"center\">+24 dB<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4000 Hz<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 72.5 dB<\/td><td class=\"has-text-align-center\" data-align=\"center\">+36 dB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>36.4 dB \u591f\u4e0d\u591f\uff1f<\/strong> \u5bb6\u5ead\u5f71\u9662\u5f00\u5230\u53c2\u8003\u7535\u5e73\uff0885 dB SPL\uff0cTHX \u6807\u51c6\uff09\u53e0\u52a0\u52a8\u6001\u4f59\u91cf\uff0c\u4f4e\u9891\u77ac\u6001\u5cf0\u503c\u5e38\u89c1\u5230 100 dB \u4ee5\u4e0a\uff0c\u5373\u4fbf\u697c\u677f\u5355\u72ec\u63d0\u4f9b 36 dB \u9694\u58f0\uff0c\u4f20\u5230\u697c\u4e0b\u7684\u58f0\u538b\u7ea7\u4ecd\u53ef\u80fd\u5728 60 dB \u4ee5\u4e0a\uff0c\u8fdc\u8d85\u591c\u95f4\u4f4f\u5b85\u5ba4\u5185\u5141\u8bb8\u566a\u58f0\uff08GB\/T 50356 \u4e2d\u591c\u95f4\u5367\u5ba4\u566a\u58f0\u9650\u503c\u7ea6 30\uff5e35 dB\uff09\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48<strong>\u4ec5\u9760\u539f\u59cb\u7ed3\u6784\u697c\u677f \/ \u5899\u4f53\u6c38\u8fdc\u4e0d\u591f<\/strong>\uff0c\u5fc5\u987b\u53e0\u52a0\u5f39\u6027\u89e3\u8026\u9644\u52a0\u7ed3\u6784\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u8d28\u91cf-\u5f39\u7c27-\u8d28\u91cf\u5171\u632f\uff1a\u53cc\u5c42\u5899\u7684\u9690\u85cf\u9677\u9631<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cc\u5c42\u5899\uff08\u539f\u5899 + \u7a7a\u6c14\u5c42 \/ \u5f39\u6027\u5c42 + \u65b0\u5899\u677f\uff09\u4e4b\u6240\u4ee5\u80fd\u8d85\u8d8a\u5355\u5c42\u8d28\u91cf\u5b9a\u5f8b\u7684\u9694\u58f0\u4e0a\u9650\uff0c\u662f\u56e0\u4e3a\u5b83\u5728<strong>\u5171\u632f\u9891\u7387\u4ee5\u4e0a<\/strong>\u7684\u9891\u6bb5\uff0c\u4e24\u5c42\u5899\u677f\u4e4b\u95f4\u7684\u7a7a\u6c14\u5f39\u6027\u5c42\u4f1a\u989d\u5916\u63d0\u4f9b\u9694\u58f0\u589e\u76ca\u3002\u4f46\u8fd9\u662f\u4e00\u628a\u53cc\u5203\u5251\uff1a\u5728<strong>\u5171\u632f\u9891\u7387 \u9644\u8fd1<\/strong>\uff0c\u4e24\u5c42\u5899\u677f\u4f1a\u540c\u76f8\u632f\u52a8\u3001\u5982\u540c\u4e00\u4e2a\u6574\u4f53\uff0c\u9694\u58f0\u589e\u76ca\u5b8c\u5168\u6d88\u5931\uff0c\u5b9e\u6d4b\u9694\u58f0\u91cf\u751a\u81f3\u53ef\u80fd\u4f4e\u4e8e\u540c\u7b49\u603b\u8d28\u91cf\u7684\u5355\u5c42\u5899\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u7cfb\u7edf\u7684\u56fa\u6709\u9891\u7387\u7531\u4ee5\u4e0b\u5de5\u7a0b\u8fd1\u4f3c\u516c\u5f0f\u7ed9\u51fa\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u51fa\u5904\uff1aCyril M. Harris, <em>Noise Control in Buildings<\/em>, McGraw-Hill, 1994\uff1b\u4ea6\u89c1 F. Fahy, <em>Foundations of Engineering Acoustics<\/em>, Academic Press, 2001<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8d28\u91cf-\u5f39\u7c27-\u8d28\u91cf\u5171\u632f\u9891\u7387\uff08\u53cc\u5c42\u677f + \u7a7a\u6c14\u5c42\uff09<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0%20%5Capprox%2060%5Csqrt%7B%5Cleft(%5Cfrac%7B1%7D%7Bm_1%7D%2B%5Cfrac%7B1%7D%7Bm_2%7D%5Cright)%5Cfrac%7B1%7D%7Bd%7D%7D%20%5Cquad%20%5Ctext%7B(Hz)%7D%0A%5C%5C\" alt=\"f_0 \\approx 60\\sqrt{\\left(\\frac{1}{m_1}+\\frac{1}{m_2}\\right)\\frac{1}{d}} \\quad \\text{(Hz)}\n\\\\\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=m_1\" alt=\"m_1\">\u3001<img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=m_2\" alt=\"m_2\">\uff1a\u4e24\u4fa7\u5899\u677f\u7684\u9762\u5bc6\u5ea6\uff08kg\/m\u00b2\uff09<\/li>\n\n\n\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=d\" alt=\"d\">\uff1a\u7a7a\u6c14\u5c42\u539a\u5ea6\uff08m\uff09<\/li>\n\n\n\n<li>\u5e38\u6570 60 \u6e90\u81ea 20\u00b0C \u6807\u51c6\u5927\u6c14\u538b\u4e0b\u7a7a\u6c14\u7684\u7279\u6027\u963b\u6297<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u4e2a\u771f\u5b9e\u5b58\u5728\u7684\u8bbe\u8ba1\u9677\u9631<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u5e38\u89c1\u7684&#8221;\u539f\u5899\uff08\u89c6\u4e3a\u8db3\u591f\u91cd\uff0c<img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=1%2Fm_1%20%5Capprox%200\" alt=\"1\/m_1 \\approx 0\">\uff09+ 50 mm \u7a7a\u6c14\u5c42 + \u5355\u4fa7\u9519\u4f4d\u53cc\u5c42 12 mm \u77f3\u818f\u677f\uff08\u9762\u5bc6\u5ea6\u7ea6 18 kg\/m\u00b2\uff09&#8221;\u6784\u9020\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0%20%5Capprox%2060%5Csqrt%7B%5Cfrac%7B1%7D%7B18%20%5Ctimes%200.05%7D%7D%20%5Capprox%2063%20%5Ctext%7B%20Hz%7D%0A%5C%5C\" alt=\"f_0 \\approx 60\\sqrt{\\frac{1}{18 \\times 0.05}} \\approx 63 \\text{ Hz}\n\\\\\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd9\u4e2a\u5171\u632f\u9891\u7387\u6070\u597d\u843d\u5728 63 Hz \u9644\u8fd1<\/strong>\u2014\u2014\u6b63\u662f\u6210\u90fd\u4f4f\u5b85\u4f4e\u9891\u8f70\u5934\u7684\u5371\u9669\u9891\u6bb5\uff08\u6210\u90fd\u4f4f\u5b85 2.8 m \u5c42\u9ad8\u7684\u4e00\u9636\u8f74\u5411\u623f\u95f4\u6a21\u5f0f\u7ea6 61 Hz\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u4e0d\u6838\u7b97\u8fd9\u4e2a\u53c2\u6570\uff0c\u4f60\u65b0\u505a\u7684\u53cc\u5c42\u9694\u58f0\u5899\u53ef\u80fd\u6070\u597d\u5728\u623f\u95f4\u6700\u9700\u8981\u9694\u58f0\u7684\u90a3\u4e2a\u9891\u7387\u4e0a&#8221;\u5e2e\u5012\u5fd9&#8221;\uff0c\u662f\u5178\u578b\u7684&#8221;\u94b1\u82b1\u4e86\u3001\u4f46\u7279\u5b9a\u9891\u7387\u53cd\u800c\u66f4\u5435&#8221;\u7684\u771f\u5b9e\u6848\u4f8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u540c\u6784\u9020\u65b9\u6848\u7684 f\u2080 \u5bf9\u6bd4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u51b3\u601d\u8def\u5f88\u76f4\u63a5\uff1a\u8ba9 <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0\" alt=\"f_0\"> \u8fdc\u79bb\u5173\u6ce8\u9891\u6bb5\u3002\u5de5\u7a0b\u4e0a\u901a\u5e38\u8981\u6c42 <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0\" alt=\"f_0\"> \u4f4e\u4e8e\u6700\u4f4e\u5173\u6ce8\u9891\u7387\u7684 1\/2\uff5e1\/3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u6784\u9020\u65b9\u6848<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u7a7a\u6c14\u5c42\u539a\u5ea6<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u5899\u677f\u9762\u5bc6\u5ea6<\/th><th class=\"has-text-align-center\" data-align=\"center\">f\u2080 \u8ba1\u7b97\u503c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u8bc4\u4ef7<\/th><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u5355\u4fa7\u53cc\u5c42 12 mm \u77f3\u818f\u677f<\/td><td class=\"has-text-align-center\" data-align=\"center\">50 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 18 kg\/m\u00b2<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 63 Hz<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u274c \u5371\u9669\u2014\u2014\u6070\u597d\u843d\u5728\u4f4e\u9891\u8f70\u5934\u5371\u9669\u533a\uff0c\u4e0d\u63a8\u8350<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u5355\u4fa7\u53cc\u5c42 12 mm \u77f3\u818f\u677f<\/td><td class=\"has-text-align-center\" data-align=\"center\">75 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 18 kg\/m\u00b2<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 52 Hz<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u26a0\ufe0f \u8fb9\u7f18\u2014\u2014\u4ecd\u9700\u8c28\u614e\u8bc4\u4f30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u5355\u4fa7\u53cc\u5c42 12 mm \u77f3\u818f\u677f<\/td><td class=\"has-text-align-center\" data-align=\"center\">100 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 18 kg\/m\u00b2<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 45 Hz<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ud83c\udd97 \u5c1a\u53ef\uff0c\u5efa\u8bae\u914d\u5408\u52a0\u677f\u65b9\u6848<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u5355\u4fa7\u9519\u7f1d\u4e09\u5c42 12 mm \u77f3\u818f\u677f<\/td><td class=\"has-text-align-center\" data-align=\"center\">100 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 27 kg\/m\u00b2<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2248 37 Hz<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2705 \u63a8\u8350\u2014\u2014\u8fdc\u79bb\u5371\u9669\u9891\u6bb5\uff0c\u603b\u9762\u5bc6\u5ea6\u66f4\u9ad8\u5bf9\u9ad8\u9891\u4e5f\u6709\u989d\u5916\u589e\u76ca<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e09\u6761\u53ef\u64cd\u4f5c\u7684\u8bbe\u8ba1\u539f\u5219\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f18\u5148\u52a0\u5927\u7a7a\u6c14\u5c42\u539a\u5ea6\uff08\u2265 100 mm\uff09\u800c\u4e0d\u662f\u7b80\u5355\u52a0\u677f<\/strong>\u2014\u2014\u540c\u6837\u589e\u52a0\u9762\u5bc6\u5ea6\uff0c\u52a0\u5927\u7a7a\u6c14\u5c42\u5bf9\u538b\u4f4e <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0\" alt=\"f_0\"> \u66f4\u6709\u6548<\/li>\n\n\n\n<li><strong>\u7a7a\u6c14\u5c42\u5185\u586b\u5145\u5ca9\u68c9\u7b49\u591a\u5b54\u5438\u58f0\u6750\u6599<\/strong>\uff0c\u867d\u7136\u5bf9 <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0\" alt=\"f_0\"> \u6570\u503c\u5f71\u54cd\u4e0d\u5927\uff0c\u4f46\u80fd\u663e\u8457 damping \u5171\u632f\u5cf0\u7684\u5c16\u9510\u7a0b\u5ea6\uff0c\u628a&#8221;\u5171\u632f\u9677\u9631&#8221;\u4ece\u5c16\u9510\u7684\u6df1\u8c37\u53d8\u6210\u5e73\u7f13\u7684\u6d45\u5751<\/li>\n\n\n\n<li><strong>\u677f\u6750\u4e0e\u9f99\u9aa8\u4e4b\u95f4\u91c7\u7528\u5f39\u6027\u51cf\u632f\u9f99\u9aa8\uff08\u5f39\u6027\u51cf\u632f\u5939 \/ \u9694\u632f\u540a\u4ef6\u7c7b\u6784\u9020\uff09<\/strong>\u5b9e\u73b0\u771f\u6b63\u7684&#8221;\u8f6f\u8fde\u63a5&#8221;\uff0c\u907f\u514d\u521a\u6027\u8fde\u63a5\u628a\u4e24\u5c42\u677f\u91cd\u65b0&#8221;\u710a&#8221;\u6210\u4e00\u5c42\uff0c\u8ba9\u5171\u632f\u6548\u5e94\u66f4\u96be\u63a7\u5236<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u590d\u5408\u6784\u4ef6\u77ed\u677f\u6548\u5e94\uff1a\u4e00\u6247\u95e8\u80fd\u62d6\u57ae\u6574\u5835\u5899<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u623f\u95f4\u7684\u5899\u4f53\u4ece\u6765\u4e0d\u662f\u7eaf\u7cb9\u7684&#8221;\u4e00\u6574\u5757\u6750\u6599&#8221;\uff0c\u800c\u662f\u5899\u4f53 + \u95e8 + \u7ba1\u9053\u7a7f\u5899\u70b9\u7b49\u591a\u4e2a\u6784\u4ef6\u7684<strong>\u590d\u5408\u7cfb\u7edf<\/strong>\u3002\u590d\u5408\u6784\u4ef6\u7684\u6574\u4f53\u9694\u58f0\u91cf\u4e0d\u662f\u6309\u9762\u79ef\u52a0\u6743\u5e73\u5747\uff0c\u800c\u662f\u7531\u4f20\u9012\u7cfb\u6570\uff08\u800c\u975e\u5206\u8d1d\u503c\uff09\u52a0\u6743\uff0c\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u51fa\u5904\uff1aD.A. Bies &amp; C.H. Hansen, <em>Engineering Noise Control: Theory and Practice<\/em>, 5th ed., CRC Press, 2018\uff1b\u540c\u4e00\u8ba1\u7b97\u65b9\u6cd5\u4ea6\u89c1 ISO 12354-1:2017<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u590d\u5408\u6784\u4ef6\u9694\u58f0\u91cf\u8ba1\u7b97<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=TL_c%20%3D%2010%5Clg%5Cleft(%5Cfrac%7B%5Csum%20S_i%7D%7B%5Csum%20S_i%20%5Ctau_i%7D%5Cright)%20%5Cquad%20%5Ctext%7B(dB)%7D%2C%20%5Cqquad%20%5Ctau_i%20%3D%2010%5E%7B-TL_i%2F10%7D%0A%5C%5C\" alt=\"TL_c = 10\\lg\\left(\\frac{\\sum S_i}{\\sum S_i \\tau_i}\\right) \\quad \\text{(dB)}, \\qquad \\tau_i = 10^{-TL_i\/10}\n\\\\\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=S_i\" alt=\"S_i\">\uff1a\u7b2c <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=i\" alt=\"i\"> \u4e2a\u6784\u4ef6\u7684\u9762\u79ef\uff08m\u00b2\uff09<\/li>\n\n\n\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=TL_i\" alt=\"TL_i\">\uff1a\u7b2c <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=i\" alt=\"i\"> \u4e2a\u6784\u4ef6\u7684\u4f20\u9012\u635f\u5931\uff08dB\uff09<\/li>\n\n\n\n<li><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=%5Ctau_i\" alt=\"\\tau_i\">\uff1a\u7b2c <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=i\" alt=\"i\"> \u4e2a\u6784\u4ef6\u7684\u900f\u5c04\u7cfb\u6570<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u4e2a\u89e6\u76ee\u60ca\u5fc3\u7684\u7b97\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u4e00\u5835\u5899\u9762\u79ef 10 m\u00b2\u3001<img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=TL%20%3D%2055\" alt=\"TL = 55\"> dB\uff08<img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=%5Ctau%20%3D%2010%5E%7B-5.5%7D%20%5Capprox%203.16%20%5Ctimes%2010%5E%7B-6%7D\" alt=\"\\tau = 10^{-5.5} \\approx 3.16 \\times 10^{-6}\">\uff09\uff0c\u4e0a\u9762\u5f00\u4e86\u4e00\u6247\u9762\u79ef 2 m\u00b2\u3001<img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=TL\" alt=\"TL\"> \u4ec5 25 dB \u7684\u666e\u901a\u95e8\uff08<img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=%5Ctau%20%3D%2010%5E%7B-2.5%7D%20%5Capprox%203.16%20%5Ctimes%2010%5E%7B-3%7D\" alt=\"\\tau = 10^{-2.5} \\approx 3.16 \\times 10^{-3}\">\uff0c\u95e8\u7684\u9762\u79ef\u5360\u6bd4\u4e0d\u5230 17%\uff09\u3002\u4ee3\u5165\u516c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=TL_c%20%3D%2010%5Clg%5Cleft(%5Cfrac%7B12%7D%7B10%20%5Ctimes%203.16%20%5Ctimes%2010%5E%7B-6%7D%20%2B%202%20%5Ctimes%203.16%20%5Ctimes%2010%5E%7B-3%7D%7D%5Cright)%20%5Capprox%2032.8%20%5Ctext%7B%20dB%7D%0A%5C%5C\" alt=\"TL_c = 10\\lg\\left(\\frac{12}{10 \\times 3.16 \\times 10^{-6} + 2 \\times 3.16 \\times 10^{-3}}\\right) \\approx 32.8 \\text{ dB}\n\\\\\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u5835\u5899\u7684\u7efc\u5408\u9694\u58f0\u91cf\u4ece 55 dB <strong>\u66b4\u8dcc\u5230\u7ea6 33 dB<\/strong>\uff0c\u8dcc\u5e45\u8d85\u8fc7 20 dB\u2014\u2014\u8fd9\u5c31\u662f&#8221;\u6728\u6876\u6548\u5e94 \/ \u77ed\u677f\u6548\u5e94&#8221;\u5728\u9694\u58f0\u5de5\u7a0b\u4e2d\u7684\u7cbe\u786e\u6570\u5b66\u8868\u8fbe\uff1a<strong>\u7cfb\u7edf\u9694\u58f0\u6027\u80fd\u7531\u6700\u8584\u5f31\u7684\u8def\u5f84\u51b3\u5b9a\uff0c\u4e0d\u662f\u6309\u9762\u79ef\u5e73\u5747<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u7efc\u5408\u65bd\u5de5\u65b9\u6848\u5bf9\u6bd4<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u65b9\u6848<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u5178\u578b\u6784\u9020<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u7efc\u5408 STC \u4f30\u7b97<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u9002\u7528\u573a\u666f<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u6210\u90fd\u672c\u5730\u6210\u672c\u53c2\u8003<\/th><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>\u65b9\u6848\u4e00\uff1a\u8f7b\u94a2\u9f99\u9aa8\u53cc\u5c42\u77f3\u818f\u677f<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u539f\u7ed3\u6784\u5899 \u2192 100 mm \u7a7a\u6c14\u5c42 + \u5ca9\u68c9 \u2192 \u9f99\u9aa8 \u2192 \u9519\u7f1d\u4e09\u5c42 12 mm \u77f3\u818f\u677f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7ea6 STC 50\uff5e55<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u9884\u7b97\u6709\u9650\u3001\u5bf9\u9694\u58f0\u8981\u6c42\u4e2d\u7b49\u7684\u5bb6\u5ead\u5f71\u9662 \/ \u591a\u529f\u80fd\u5ba4<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7ea6 350\uff5e550 \u5143\/\u33a1<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>\u65b9\u6848\u4e8c\uff1a\u5f39\u6027\u51cf\u632f\u9f99\u9aa8 + \u6d6e\u7b51\u5730\u9762\uff08\u623f\u4e2d\u623f\uff09<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u539f\u7ed3\u6784\u5899 \u2192 \u5f39\u6027\u51cf\u632f\u5939 \/ \u9694\u632f\u540a\u4ef6 \u2192 \u4e09\u5c42\u77f3\u818f\u677f\uff1b\u5730\u9762\u505a\u6d6e\u7b51\u5c42\u4e0e\u7ed3\u6784\u5b8c\u5168\u8131\u79bb<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7ea6 STC 58\uff5e65<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e13\u7528\u5f71\u97f3\u5ba4\u3001\u5bf9\u90bb\u91cc\u5173\u7cfb\u9ad8\u5ea6\u654f\u611f\u3001\u6709\u72ec\u7acb\u4f4e\u97f3\u70ae\u7684\u9ad8\u7aef\u9879\u76ee<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7ea6 600\uff5e1200 \u5143\/\u33a1\uff08\u542b\u6d6e\u7b51\u5730\u9762\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">* \u4ee5\u4e0a\u6210\u90fd\u672c\u5730\u6210\u672c\u533a\u95f4\u4e3a\u5e02\u573a\u884c\u60c5\u53c2\u8003\uff0c\u5177\u4f53\u62a5\u4ef7\u9700\u7ed3\u5408\u73b0\u573a\u697c\u677f\u8377\u8f7d\u6838\u7b97\u3001\u623f\u95f4\u5c3a\u5bf8\u548c\u6750\u6599\u54c1\u724c\u7efc\u5408\u8bc4\u4f30\uff0c\u4ec5\u4f9b\u9884\u7b97\u89c4\u5212\u53c2\u8003\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d6e\u7b51\u5730\u9762\u672c\u8eab\u662f\u4e00\u5957\u72ec\u7acb\u7684\u5f39\u6027\u9694\u632f\u7cfb\u7edf\uff0c\u5176\u56fa\u6709\u9891\u7387\u8bbe\u8ba1\u516c\u5f0f <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0%20%3D%20%5Cfrac%7B1%7D%7B2%5Cpi%7D%5Csqrt%7Bk%2Fm%7D\" alt=\"f_0 = \\frac{1}{2\\pi}\\sqrt{k\/m}\"> \u4e0e\u672c\u6587\u8d28\u91cf-\u5f39\u7c27-\u8d28\u91cf\u5171\u632f\u539f\u7406\u540c\u6e90\uff08\u53ea\u662f\u5f39\u6027\u5143\u4ef6\u4ece\u7a7a\u6c14\u5c42\u6362\u6210\u4e86\u4e13\u7528\u9694\u632f\u57ab\uff09\uff0c\u6d89\u53ca\u5f39\u6027\u57ab\u52a8\u521a\u5ea6\u9009\u578b\u3001\u697c\u677f\u8377\u8f7d\u6838\u7b97\u7b49\u66f4\u7ec6\u7684\u5de5\u7a0b\u7ec6\u8282\uff0c\u672c\u7ad9\u53e6\u4e00\u7bc7\u6587\u7ae0\u300a\u6210\u90fd\u5bb6\u5ead\u5f71\u9662\u9694\u97f3\u65b9\u6848\uff1a\u4f4e\u9891\u4e3a\u4f55\u7a7f\u5899\u900f\u697c\u4e0e\u5de5\u7a0b\u89e3\u51b3\u4e4b\u9053\u300b\u6709\u4e13\u95e8\u7684\u6df1\u5ea6\u63a8\u5bfc\uff0c\u8fd9\u91cc\u4e0d\u518d\u91cd\u590d\u5c55\u5f00\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u6210\u90fd\u5b9e\u9645\u65bd\u5de5\u4e2d\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u4e09\u4e2a\u6f0f\u58f0\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udeaa \u95e8\u2014\u2014\u666e\u901a\u7a7a\u5fc3\u6728\u95e8 STC \u4ec5\u7ea6 20\uff5e25<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8fdc\u4f4e\u4e8e\u9694\u5899 STC 50+ \u7684\u6c34\u5e73\uff0c\u662f\u7edd\u5927\u591a\u6570\u9694\u58f0\u7cfb\u7edf\u4e2d\u5b9e\u6d4b\u6700\u8584\u5f31\u7684\u73af\u8282\u3002\u5fc5\u987b\u4f7f\u7528\u4e13\u4e1a\u9694\u58f0\u95e8\uff08\u5e26\u591a\u9053\u538b\u7f29\u5bc6\u5c01\u6761\uff0cSTC \u53ef\u8fbe 40 \u4ee5\u4e0a\uff09\uff0c\u9ad8\u6807\u51c6\u9879\u76ee\u5efa\u8bae\u91c7\u7528<strong>\u53cc\u9053\u95e8\u58f0\u95f8\u8bbe\u8ba1<\/strong>\uff08\u4e24\u9053\u95e8\u4e4b\u95f4\u7559\u51fa\u7ea6 1\uff5e1.5 m \u7f13\u51b2\u7a7a\u95f4\uff09\uff0c\u7efc\u5408\u9694\u58f0\u91cf\u53ef\u8fdb\u4e00\u6b65\u63d0\u5347\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd27 \u7a7f\u5899\u7ba1\u9053\u2014\u2014\u7a7a\u8c03\u7ba1\u3001\u5f3a\u5f31\u7535\u7ba1\u7684\u5bc6\u5c01\u7f1d\u9699<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ba1\u9053\u4e0e\u5899\u4f53\u5957\u7ba1\u4e4b\u95f4\u5373\u4fbf\u53ea\u6709\u51e0\u6beb\u7c73\u7684\u672a\u5bc6\u5c01\u7f1d\u9699\uff0c\u4e5f\u4f1a\u5f62\u6210\u58f0\u5b66\u4e0a\u7684&#8221;\u77ed\u8def\u901a\u9053&#8221;\uff0c\u5b9e\u6d4b\u53ef\u62c9\u4f4e\u6574\u4f53\u9694\u58f0\u91cf 10 dB \u4ee5\u4e0a\u3002\u5fc5\u987b\u7528<strong>\u4e13\u7528\u58f0\u5b66\u963b\u5c3c\u5bc6\u5c01\u818f<\/strong>\uff08\u975e\u666e\u901a\u7845\u916e\u80f6\uff0c\u9700\u5177\u5907\u963b\u5c3c\u8017\u80fd\u7279\u6027\uff09\u505a\u67d4\u6027\u5bc6\u5c01\uff0c\u5e76\u4fdd\u8bc1\u5957\u7ba1\u4e0e\u7ba1\u9053\u4e4b\u95f4\u6709\u5f39\u6027\u95f4\u9699\uff0c\u907f\u514d\u521a\u6027\u63a5\u89e6\u5f62\u6210\u7ed3\u6784\u58f0\u6865\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udf00 \u5171\u7528\u7a7a\u8c03\u98ce\u53e3\u2014\u2014\u4f4e\u9891\u7ed3\u6784\u4f20\u58f0\u7684\u9690\u853d\u901a\u9053<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f71\u9662\u4e0e\u5176\u4ed6\u623f\u95f4\u5171\u7528\u4e2d\u592e\u7a7a\u8c03\u98ce\u9053\u65f6\uff0c\u98ce\u7ba1\u672c\u8eab\u5c31\u662f\u4e00\u6761\u8fde\u7eed\u7684\u7a7a\u6c14\u58f0\u4f20\u8f93\u8def\u5f84\u3002\u9700\u8981\u5728\u98ce\u7ba1\u4e0a\u52a0\u88c5<strong>\u6d88\u58f0\u5f2f\u5934<\/strong>\uff08\u5229\u7528\u5f2f\u7ba1 + \u5185\u886c\u5438\u58f0\u6750\u6599\u5f62\u6210\u8ff7\u5bab\u5f0f\u8870\u51cf\uff09\u6216<strong>\u8f6f\u63a5\u7ed3\u6784<\/strong>\uff08\u5e06\u5e03\u8f6f\u63a5\u5934\u5b9e\u73b0\u632f\u52a8\u89e3\u8026\uff09\uff0c\u907f\u514d\u58f0\u80fd\u6cbf\u98ce\u7ba1&#8221;\u6284\u8fd1\u9053&#8221;\u4f20\u5230\u5176\u4ed6\u623f\u95f4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u9694\u97f3\u5de5\u7a0b\u7684\u6b63\u786e\u8bbe\u8ba1\u987a\u5e8f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u4e00\u6b65\uff1a\u5148\u7528\u8d28\u91cf\u5b9a\u5f8b\u6838\u7b97\u57fa\u7ebf<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u641e\u6e05\u695a\u539f\u59cb\u7ed3\u6784\u80fd\u63d0\u4f9b\u591a\u5c11\u9694\u58f0\u91cf\u3002\u4e0d\u6838\u7b97\u5c31\u76f4\u63a5\u5806\u6750\u6599\uff0c\u7b49\u4e8e\u8499\u773c\u65bd\u5de5\uff0c\u65e0\u6cd5\u5224\u65ad\u9644\u52a0\u7ed3\u6784\u9700\u8981\u505a\u5230\u4ec0\u4e48\u7a0b\u5ea6\u624d\u591f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c\u4e8c\u6b65\uff1a\u6838\u7b97\u53cc\u5c42\u7ed3\u6784\u7684\u5171\u632f\u9891\u7387 f\u2080<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u907f\u514d&#8221;\u8d8a\u9694\u97f3\u3001\u67d0\u4e2a\u9891\u7387\u53cd\u800c\u8d8a\u5435&#8221;\u3002\u7a7a\u6c14\u5c42\u539a\u5ea6\u548c\u677f\u6750\u9762\u5bc6\u5ea6\u5fc5\u987b\u8054\u5408\u8ba1\u7b97\uff0c\u786e\u4fdd <img decoding=\"async\" src=\"\/\/www.zhihu.com\/equation?tex=f_0\" alt=\"f_0\"> 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