{"id":3842,"date":"2019-06-24T12:34:54","date_gmt":"2019-06-24T04:34:54","guid":{"rendered":"http:\/\/www.tmepe.com\/?p=3842"},"modified":"2019-07-01T10:35:48","modified_gmt":"2019-07-01T02:35:48","slug":"%e9%ab%98%e5%8e%8b%e6%88%bf%e9%87%87%e7%94%a8%e7%9b%b4%e6%b5%81%e5%b1%8f%e6%9d%a5%e6%93%8d%e4%bd%9c%e9%ab%98%e5%8e%8b%e6%96%ad%e8%b7%af%e5%99%a8%e7%9a%84%e5%8e%9f%e5%9b%a0","status":"publish","type":"post","link":"https:\/\/www.tmepe.com\/news\/baike\/3842.html","title":{"rendered":"\u9ad8\u538b\u623f\u91c7\u7528\u76f4\u6d41\u5c4f\u6765\u64cd\u4f5c\u9ad8\u538b\u65ad\u8def\u5668\u7684\u539f\u56e0"},"content":{"rendered":"<div>\n<div>\n<p>\u7b54\u6848\u975e\u5e38\u7b80\u5355\uff1a\u76f4\u6d41\u64cd\u4f5c\u7cfb\u7edf\u548c\u76f4\u6d41\u7ee7\u7535\u5668\u6bd4\u4ea4\u6d41\u7cfb\u7edf\u8981\u7a33\u5b9a\u5f97\u591a\u3002<\/p>\n<p>\u6211\u4eec\u628a\u76f4\u6d41\u7535\u78c1\u7cfb\u7edf\u53eb\u505a\u6052\u78c1\u52bf\u7cfb\u7edf\uff0c\u628a\u4ea4\u6d41\u7535\u78c1\u7cfb\u7edf\u53eb\u505a\u6052\u78c1\u94fe\u7cfb\u7edf\u3002\u6240\u8c13\u78c1\u52bf\uff0c\u6307\u7684\u5c31\u662fIN\uff0cI\u662f\u7535\u6d41\uff0cN\u662f\u7ebf\u5708\u7ed5\u7ec4\u5708\u6570\u3002\u56e0\u6b64\uff0c\u76f4\u6d41\u7535\u78c1\u7cfb\u7edf\u5728\u95ed\u5408\u8fc7\u7a0b\u4e2d\uff0c\u7ebf\u5708\u7535\u6d41\u53d8\u5316\u4e0d\u5927\uff0c\u5bf9\u7535\u6e90\u7684\u51b2\u51fb\u81ea\u7136\u5c31\u5c0f\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u7531\u4e8e\u76f4\u6d41\u7535\u78c1\u7cfb\u7edf\u7684\u78c1\u901a\u662f\u7a33\u5b9a\u7684\uff0c\u56e0\u6b64\u7cfb\u7edf\u4e2d\u4e0d\u4f1a\u4ea7\u751f\u6da1\u6d41\uff0c\u6240\u4ee5\u76f4\u6d41\u7535\u78c1\u7cfb\u7edf\u7684\u94c1\u82af\u548c\u8854\u94c1\u90fd\u662f\u6574\u5757\u7684\u78c1\u94a2\u3002<\/p>\n<p>\u6211\u4eec\u77e5\u9053\uff0c\u7535\u78c1\u5438\u529bF\u7684\u8868\u8fbe\u5f0f\u662f\uff1a <img decoding=\"async\" src=\"http:\/\/www.zhihu.com\/equation?tex=F%3D%5Cfrac%7B%5Cphi%5E2%7D%7B2%5Cmu_0S%7D\" alt=\"[\u516c\u5f0f]\" data-formula=\"F=\\frac{\\phi^2}{2\\mu_0S}\" \/> \uff0c\u8fd9\u91cc\u7684 <img decoding=\"async\" src=\"http:\/\/www.zhihu.com\/equation?tex=%5Cphi\" alt=\"[\u516c\u5f0f]\" data-formula=\"\\phi\" \/> \u5c31\u662f\u94c1\u82af\u4e2d\u7684\u78c1\u901a\uff0cS\u662f\u78c1\u6781\u9762\u79ef\u3002<\/p>\n<p>\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u5c31\u662f\u8457\u540d\u7684\u9ea6\u514b\u65af\u97e6\u7535\u78c1\u5438\u529b\u516c\u5f0f\u3002<\/p>\n<p>\u5bf9\u4e8e\u4ea4\u6d41\u7535\u78c1\u7cfb\u7edf\u6765\u8bf4\uff0c\u6709 <img decoding=\"async\" src=\"http:\/\/www.zhihu.com\/equation?tex=%5Cphi%3D%5Cphi_m%5Csin%5Comega+t\" alt=\"[\u516c\u5f0f]\" data-formula=\"\\phi=\\phi_m\\sin\\omega t\" \/> \uff0c\u6240\u4ee5\u4ea4\u6d41\u7535\u78c1\u5438\u529b\u662f\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.zhihu.com\/equation?tex=F%3D%5Cfrac%7B%5Cphi%5E2%7D%7B2%5Cmu_0S%7D%3D%5Cfrac%7B%28%5Cphi_m%5Csin%5Comega+t%29%5E2%7D%7B2%5Cmu_0S%7D%3D%5Cfrac%7B%5Cphi_%7Bm%7D%5E%7B2%7D%7D%7B4%5Cmu_0S%7D%281-%5Ccos%5E22%5Comega+t%29\" alt=\"[\u516c\u5f0f]\" data-formula=\"F=\\frac{\\phi^2}{2\\mu_0S}=\\frac{(\\phi_m\\sin\\omega t)^2}{2\\mu_0S}=\\frac{\\phi_{m}^{2}}{4\\mu_0S}(1-\\cos^22\\omega t)\" \/><\/p>\n<p>\u6ce8\u610f\u5230\u4f59\u5f26\u51fd\u6570\u7684\u503c\u57df\u662f-1\u52301\uff0c\u56e0\u6b64\u4ea4\u6d41\u7535\u78c1\u5438\u529b\u5728\u78c1\u901a\u8fc7\u96f6\u65f6\u5176\u503c\u4e3a\u96f6\u3002<\/p>\n<p>\u6211\u4eec\u5f88\u5bb9\u6613\u60f3\u5230\uff0c\u5f53\u4ea4\u6d41\u7535\u78c1\u5438\u529bF\u4e3a\u96f6\u65f6\u8854\u94c1\u88ab\u53cd\u529b\u5f39\u7c27\u63a8\u5f00\uff0c\u8fc7\u96f6\u540e\u518d\u6b21\u5438\u5408\u3002\u56e0\u6b64\uff0c\u4ea4\u6d41\u7535\u78c1\u7cfb\u7edf\u4e2d\u7684\u632f\u52a8\u548c\u53d1\u70ed\u73b0\u8c61\u4e25\u91cd\u3002\u867d\u7136\u6211\u4eec\u53ef\u4ee5\u5728\u4ea4\u6d41\u7535\u78c1\u7cfb\u7edf\u7684\u94c1\u82af\u4e2d\u914d\u5957\u77ed\u8def\u73af\u4ee5\u6539\u5584\u632f\u52a8\uff0c\u4f46\u4ea4\u6d41\u7535\u78c1\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u6bd4\u76f4\u6d41\u7535\u78c1\u7cfb\u7edf\u5dee\u5f88\u591a\u3002<\/p>\n<p>\u8fd9\u4e5f\u662f\u4e2d\u538b\u3001\u9ad8\u538b\u914d\u7535\u8bbe\u5907\u91c7\u7528\u76f4\u6d41\u5c4f\u4f9b\u7535\uff0c\u7ebf\u8def\u4fdd\u62a4\u5219\u91c7\u7528\u76f4\u6d41\u7ee7\u4fdd\u88c5\u7f6e\u548c\u76f4\u6d41\u7ee7\u7535\u5668\u7684\u539f\u56e0\u3002<\/p>\n<\/div>\n<p>\u4f5c\u8005\uff1aPatrick Zhang<br \/>\n\u94fe\u63a5\uff1ahttps:\/\/www.zhihu.com\/question\/278791552\/answer\/403136157<br \/>\n\u6765\u6e90\uff1a\u77e5\u4e4e<br \/>\n\u8457\u4f5c\u6743\u5f52\u4f5c\u8005\u6240\u6709\u3002\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u8054\u7cfb\u4f5c\u8005\u83b7\u5f97\u6388\u6743\uff0c\u975e\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7b54\u6848\u975e\u5e38\u7b80\u5355\uff1a\u76f4\u6d41\u64cd\u4f5c\u7cfb\u7edf\u548c\u76f4\u6d41\u7ee7\u7535\u5668\u6bd4\u4ea4\u6d41\u7cfb\u7edf\u8981\u7a33\u5b9a\u5f97\u591a\u3002 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