{"categories":[],"url":"https://dekuo-03.hatenablog.jp/entry/2025/08/28/005114","type":"rich","provider_name":"Hatena Blog","description":"\u30d8\u30eb\u30e0\u30db\u30eb\u30c4\u5171\u9cf4\u5668 \u5468\u6ce2\u6570\u8a08\u7b97 f = (c / 2\u03c0) \u00b7 \u221a( A / ( V \u00b7 Leff ) ) \u7e26\uff08mm\uff09 \u6a2a\uff08mm\uff09 \u9ad8\u3055\uff08mm\uff09 \u30cd\u30c3\u30af\u9577\u3055 L\uff08mm\uff09 \u30cd\u30c3\u30af\u76f4\u5f84 D\uff08mm\uff09 \u6e29\u5ea6 T\uff08\u2103\uff09 \u7aef\u88dc\u6b63\u30e2\u30c7\u30eb \u4e00\u822c\u7684\uff08\u5916\u5074\uff1a\u672a\u30d5\u30e9\u30f3\u30b8 1.7r\u3001\u5185\u5074\uff1a\u30ad\u30e3\u30d3\u30c6\u30a3\u5074 0.85r\uff09 \u4e21\u7aef\u3068\u3082\u672a\u30d5\u30e9\u30f3\u30b8\uff08\u5916\u6c17\u5074\u00d72\uff1a1.7r+1.7r\uff09 \u4e21\u7aef\u3068\u3082\u30d5\u30e9\u30f3\u30b8\u6709\u308a\uff08\u00d72\uff1a0.85r+0.85r\uff09 \u30ab\u30b9\u30bf\u30e0\u4fc2\u6570 k\uff1aLeff = L + k\u00b7r k\uff08\u7121\u6b21\u5143\uff09 \u30cd\u30c3\u30af\u3092\u30ad\u30e3\u30d3\u30c6\u30a3\u5185\u306b\u5165\u308c\u308b \u8a08\u7b97\u3059\u308b \u30ea\u30bb\u30c3\u30c8 \u5171\u9cf4\u5468\u6ce2\u6570 f\u2080\uff1a Hz \u97f3\u901f c\uff1a m/s\uff08c \u2248 331.3 + 0.606\u00b7T\uff09 \u2026","width":"100%","blog_url":"https://dekuo-03.hatenablog.jp/","height":"190","author_url":"https://blog.hatena.ne.jp/dekuo-03/","version":"1.0","author_name":"dekuo-03","title":"\u30d8\u30eb\u30e0\u30db\u30eb\u30c4\u5171\u9cf4\u5668\u8a08\u7b97\u6a5f \u81ea\u5206\u7528\u30e1\u30e2","published":"2025-08-28 00:51:14","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdekuo-03.hatenablog.jp%2Fentry%2F2025%2F08%2F28%2F005114\" title=\"\u30d8\u30eb\u30e0\u30db\u30eb\u30c4\u5171\u9cf4\u5668\u8a08\u7b97\u6a5f \u81ea\u5206\u7528\u30e1\u30e2 - \u5de5\u4f5c\u3068\u7af6\u99ac2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u5de5\u4f5c\u3068\u7af6\u99ac2","image_url":null,"provider_url":"https://hatena.blog"}