{"id":936,"date":"2018-09-16T03:09:10","date_gmt":"2018-09-16T03:09:10","guid":{"rendered":""},"modified":"2018-09-16T11:09:33","modified_gmt":"2018-09-16T03:09:33","slug":"%e7%94%b5%e9%98%bb%e3%80%81%e7%94%b5%e6%84%9f%e3%80%81%e7%94%b5%e5%ae%b9%e7%9a%84%e5%b7%ae%e5%88%ab%e4%b9%8b%e5%a4%84%e5%9c%a8%e4%bb%a5%e4%b8%8b6%e4%b8%aa%e6%96%b9%e9%9d%a2","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=936","title":{"rendered":"\u7535\u963b\u3001\u7535\u611f\u3001\u7535\u5bb9\u7684\u5dee\u522b\u4e4b\u5904\u5728\u4ee5\u4e0b6\u4e2a\u65b9\u9762"},"content":{"rendered":"

\n\t\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u4ea4\u6d41\u7535\u6709\u4ee5\u4e0b\u6027\u8d28\uff1a<\/p>\n

\n\t1.\u5927\u5c0f\u548c\u65b9\u5411\u5747\u505a\u5468\u671f\u6027\u53d8\u5316\uff0c\u5e73\u5747\u503c\u4e3a\u96f6\uff1b\u6709\u4e09\u8981\u7d20\uff1a\u5e45\u503c\u3001\u89d2\u9891\u7387\u3001\u521d\u76f8\u4f4d\uff1b<\/p>\n

\n\t <\/div>\n

\n\t2.\u63cf\u8ff0\u4ea4\u6d41\u7535\u7684\u65b9\u5f0f\u6709\u77ac\u65f6\u503c\u8868\u793a\u6cd5\u3001\u6ce2\u5f62\u56fe\u3001\u6709\u6548\u503c\u3001\u77e2\u91cf\u6cd5\uff1b<\/p>\n

\n\t3.\u4e0d\u540c\u7684\u4ea4\u6d41\u7535\u4e4b\u95f4\u53ef\u80fd\u540c\u76f8\u3001\u53cd\u76f8\u3001\u6b63\u4ea4\uff0c\u6216\u8005\u76f8\u5dee\u67d0\u4e2a\u89d2\u5ea6\uff1b<\/p>\n

\n\t4.\u4ea4\u6d41\u7535\u901a\u8fc7\u7535\u963b\u3001\u7535\u611f\u3001\u7535\u5bb9\u4ee5\u53ca\u5b83\u4eec\u7684\u7ec4\u5408\u7535\u8def\uff0c\u6240\u8868\u73b0\u51fa\u6765\u7684\u6027\u8d28\u4e0d\u540c\uff0c\u4e3b\u8981\u53cd\u6620\u5728\u76f8\u4f4d\u3001\u963b\u6297\u3001\u529f\u7387\u4e0a\uff1b<\/p>\n

\n\t\u4ee5\u4e0a\u56db\u70b9\u548c\u76f4\u6d41\u7535\u5747\u4e0d\u540c\uff0c\u56e0\u6b64\u4ea4\u6d41\u7535\u5728\u8ba1\u7b97\u4e0a\u6709\u81ea\u5df1\u7684\u516c\u5f0f\u3001\u65b9\u6cd5\u3001\u6027\u8d28\u3002<\/p>\n

\n\t\u597d\u4e86\uff0c\u56de\u987e\u4e86\u4e0a\u8ff0\u95ee\u9898\u4e4b\u540e\u5c31\u53ef\u4ee5\u8fdb\u884c\u4ee5\u4e0b\u5b66\u4e60\u4e86\uff1b\u7535\u963b\u3001\u7535\u611f\u3001\u7535\u5bb9\u7684\u5dee\u522b\u4e4b\u5904\u5728\u4ee5\u4e0b6\u4e2a\u65b9\u9762\uff0c\u6211\u4eec\u9010\u4e00\u8fdb\u884c\u8bb2\u89e3\uff0c\u5bf9\u6bd4\u3002<\/p>\n

\n\t\u4e00. \u7535\u963b<\/p>\n

\n\t1.\u77ac\u65f6\u503c\u5173\u7cfb\u5f0f\uff1au=RI\uff0c\u4e5f\u5c31\u662f\u901a\u8fc7\u7535\u963b\u7684\u7535\u538b\u7b49\u4e8e\u901a\u8fc7\u7684\u7535\u6d41\u4e0e\u7535\u963b\u7684\u4e58\u79ef\uff0c\u6ce8\u610f\u8fd9\u4e2a\u516c\u5f0f\u91cc\u9762\u7684u\u3001i\u5747\u662f\u5c0f\u5199\uff1b\u8fd9\u4e2a\u516c\u5f0f\u4e2d\u5b9e\u9645\u4f7f\u7528\u5f53\u4e2d\u5f88\u5c11\u7528\u5230\uff0c\u5b83\u53cd\u6620\u7684\u662f\u7535\u538b\u548c\u7535\u6d41\u7684\u77ac\u65f6\u503c\u5173\u7cfb\uff1b<\/p>\n

\n\t2.\u6709\u6548\u503c\u5173\u7cfb\uff1a\u7535\u963b\u7b49\u4e8e\u7535\u538b\u4e0e\u7535\u6d41\u7684\u6bd4\u503c\uff0c\u6ce8\u610f\u8fd9\u91cc\u7684\u7535\u538b\u548c\u7535\u6d41\u5747\u662f\u6709\u6548\u503c\uff0c\u8fd9\u4e2a\u662f\u975e\u5e38\u5b9e\u7528\u7684\u516c\u5f0f\uff0c\u6211\u4eec\u5e94\u8be5\u638c\u63e1\uff0c\u5b83\u548c\u76f4\u6d41\u7535\u8def\u7684\u8ba1\u7b97\u65b9\u5f0f\u662f\u4e00\u6837\u7684\uff1b<\/p>\n

\n\t<\/p>\n

\n\t3.\u963b\u6297\uff1a\u7535\u963b\u7684\u963b\u6297\u5c31\u662f\u7535\u963b\uff0c\u600e\u4e48\u542c\u8d77\u6765\u8fd9\u4e48\u522b\u626d\u5462\uff1f\u6211\u4eec\u524d\u9762\u8bb2\u8fc7\uff0c\u963b\u6297\u5305\u62ec\u7535\u963b\u3001\u611f\u6297\u3001\u5bb9\u6297\uff0c\u662f\u9488\u5bf9\u4e0d\u540c\u7684\u7535\u6297\u5143\u4ef6\u800c\u8a00\u7684\uff0c\u8fd9\u662f\u4ea4\u6d41\u7535\u7279\u6709\u7684\uff1b<\/p>\n

\n\t<\/p>\n

\n\t4.\u77e2\u91cf\u56fe\uff0c\u4ece\u56fe\u4e0a\u53ef\u4ee5\u770b\u51fa\uff0c\u52a0\u5728\u7535\u963b\u4e0a\u7684\u7535\u538b\u548c\u7535\u6d41\u662f\u540c\u76f8\u5173\u7cfb\uff1b<\/p>\n

\n\t<\/p>\n

\n\t5.\u529f\u7387,\u7b49\u4e8e\u7535\u538b\u4e0e\u7535\u6d41\u7684\u79ef\uff0c\u6216\u8005\u7535\u6d41\u7684\u5e73\u65b9\u4e0e\u7535\u963b\u7684\u79ef\uff0cP=UI,\u5355\u4f4d\u74e6\u7279\uff08W\uff09\uff0c\u8fd9\u4e2a\u529f\u7387\u53eb\u6709\u529f\u529f\u7387\uff0c\u5c31\u662f\u5b9e\u5b9e\u5728\u5728\u7684\u6d88\u8017\u4e86\u7535\u80fd\u7684\u529f\u7387\uff0c\u8fd9\u662f\u7535\u963b\u7279\u6709\u7684\uff0c\u5b83\u5c31\u662f\u4e00\u4e2a\u8017\u80fd\u5143\u4ef6\uff1b<\/p>\n

\n\t6.\u529f\u7387\u56e0\u6570\uff1a\u6211\u4eec\u77e5\u9053\u529f\u7387\u56e0\u6570\u5c31\u662f\u7535\u538b\u548c\u7535\u6d41\u76f8\u4f4d\u5dee\u7684\u4f59\u5f26\uff0c\u7531\u4e8e\u52a0\u5728\u7535\u963b\u4e0a\u7684\u7535\u538b\u548c\u7535\u6d41\u540c\u76f8\uff0c\u5373\u76f8\u4f4d\u5dee\u4e3a\u96f6\uff0c\u90a3\u4e48\u5176\u529f\u7387\u56e0\u6570\u5c31\u662fcosφ=1\uff0c\u8fd9\u662f\u6700\u5927\u503c\uff1b<\/p>\n

\n\t\u4e8c. \u7535\u611fL<\/p>\n

\n\t1.\u77ac\u65f6\u503c\u5173\u7cfb<\/p>\n

\n\t<\/p>\n

\n\t\u4e5f\u5c31\u662f\u52a0\u5728\u4ea4\u6d41\u7535\u4e0a\u7684\u7535\u538b\u4e0e\u7535\u6d41\u7684\u53d8\u5316\u7387\u6210\u6b63\u6bd4\uff0c\u6ce8\u610f\u548c\u7535\u963b\u7684\u77ac\u65f6\u503c\u4e00\u6837u\u3001i\u5747\u662f\u5c0f\u5199\uff1b\u8fd9\u4e2a\u516c\u5f0f\u6709\u4ef7\u503c\uff0c\u5e94\u8bb0\u4f4f\uff1b\u53e6\u5916\u662f\u4e0e\u53d8\u5316\u7387\u6210\u6b63\u6bd4\uff0c\u4e0d\u662f\u53d8\u5316\u91cf\u4e5f\u4e0d\u662f\u56fa\u5b9a\u503c\uff0c\u8fd9\u4e0e\u7535\u963b\u4e0d\u540c\uff1b<\/p>\n

\n\t2.\u6709\u6548\u503c\u5173\u7cfb\uff1a\u52a0\u5728\u7535\u611f\u4e0a\u7684\u7535\u6d41\u4e0e\u7535\u538b\u6210\u6b63\u6bd4\uff0c\u7b49\u4e8e\u611f\u6297\uff0c\u6ce8\u610f\u7535\u538b\u7535\u6d41\u5747\u662f\u6709\u6548\u503c\uff0c\u8fd9\u4e2a\u662f\u975e\u5e38\u5b9e\u7528\u7684\u516c\u5f0f\uff0c\u6211\u4eec\u5e94\u8be5\u638c\u63e1\uff0c\u5b83\u548c\u7535\u963b\u5728\u5f62\u5f0f\u4e0a\u4e00\u81f4\uff1b<\/p>\n

\n\t<\/p>\n

\n\t3.\u963b\u6297\uff1a\u7535\u611f\u5bf9\u7535\u6d41\u6709\u963b\u788d\u4f5c\u7528\uff0c\u5176\u503c\u7684\u5927\u5c0f\u7528\u611f\u6297\u8868\u793aXL=2&pi<\/u>;fL\uff0cf\u4ea4\u6d41\u7535\u7684\u9891\u7387\uff0cL\u7535\u611f\uff1b\u4ece\u8be5\u516c\u5f0f\u53ef\u4ee5\u770b\u51fa\uff0c\u4ea4\u6d41\u7535\u9891\u7387\u8d8a\u5927\uff0c\u7535\u611f\u5bf9\u5176\u611f\u6297\u8d8a\u5927\uff0c\u8fd9\u5c31\u662f\u4ea4\u6d41\u7535\u7684\u901a\u76f4\u9694\u4ea4\u4f5c\u7528\uff0c\u7528\u5b83\u7684\u8fd9\u4e2a\u529f\u80fd\u53ef\u4ee5\u8fdb\u884c\u6ee4\u6ce2\uff1b<\/p>\n

\n\t4.\u77e2\u91cf\u56fe\uff1a\u4ece\u56fe\u4e0a\u53ef\u4ee5\u770b\u51fa\uff0c\u52a0\u5728\u7535\u611f\u4e0a\u7684\u7535\u538b\u8d85\u524d\u4e8e\u7535\u6d4190°<\/p>\n

\n\t<\/p>\n

\n\t5.\u529f\u7387,\u6709\u529f\u529f\u7387P=0\uff0c\u4e5f\u5c31\u662f\u7535\u611f\u7684\u6709\u529f\u529f\u7387\u4e3a\u96f6\uff0c\u5b83\u4e0d\u662f\u8017\u80fd\u5143\u4ef6\uff0c\u5b83\u662f\u50a8\u80fd\u5143\u4ef6\uff0c\u5176\u50a8\u80fd\u80fd\u529b\u7528\u65e0\u529f\u529f\u7387\u8868\u793aQL=UI\uff0c\u7b49\u4e8e\u7535\u538b\u4e0e\u7535\u6d41\u7684\u79ef\uff0c\u6216\u8005\u7535\u6d41\u7684\u5e73\u65b9\u4e0e\u611f\u6297\u7684\u79ef\uff0c,\u5355\u4f4d\u4e4f\u5c14\uff08var\uff09\uff0c\u8fd9\u662f\u5176\u91cd\u8981\u7279\u70b9\uff1b<\/p>\n

\n\t6.\u529f\u7387\u56e0\u6570\uff1a\u7531\u4e8e\u52a0\u5728\u7535\u611f\u4e0a\u7684\u7535\u538b\u8d85\u524d\u4e8e\u7535\u6d4190°\uff0c\u4e5f\u5c31\u662f\u4e8c\u8005\u7684\u76f8\u4f4d\u5dee90°\uff0c\u90a3\u4e48cosφ=0\uff1b<\/p>\n

\n\t\u4e09. \u7535\u5bb9C<\/p>\n

\n\t1.\u77ac\u65f6\u503c\u5173\u7cfb<\/p>\n

\n\t<\/p>\n

\n\t\u4e5f\u5c31\u662f\u901a\u8fc7\u7535\u5bb9\u7684\u7535\u6d41\u4e0e\u5176\u4e24\u7aef\u7684\u7535\u538b\u7684\u53d8\u5316\u7387\u6210\u6b63\u6bd4\uff0c\u6ce8\u610f\u548c\u7535\u963b\u7684\u77ac\u65f6\u503c\u4e00\u6837u\u3001i\u5747\u662f\u5c0f\u5199\uff1b\u8fd9\u4e2a\u516c\u5f0f\u6709\u4ef7\u503c\uff0c\u5e94\u8bb0\u4f4f\uff1b<\/p>\n

\n\t2.\u6709\u6548\u503c\u5173\u7cfb\uff1a\u52a0\u5728\u7535\u5bb9\u4e0a\u7684\u7535\u6d41\u4e0e\u7535\u538b\u6210\u6b63\u6bd4\uff0c\u7b49\u4e8e\u5bb9\u6297\uff0c\u6ce8\u610f\u8fd9\u91cc\u7684\u7535\u538b\u3001\u7535\u6d41\u5747\u662f\u6709\u6548\u503c\uff0c\u8fd9\u4e2a\u662f\u975e\u5e38\u5b9e\u7528\u7684\u516c\u5f0f\uff0c\u6211\u4eec\u5e94\u8be5\u638c\u63e1\uff0c\u5b83\u548c\u7535\u963b\u3001\u611f\u6297\u7684\u8ba1\u7b97\u5f0f\u5728\u5f62\u5f0f\u4e0a\u4e00\u81f4\uff1b<\/p>\n

\n\t<\/p>\n

\n\t3.\u963b\u6297\uff0c\u7535\u5bb9\u548c\u7535\u963b\u3001\u7535\u611f\u4e00\u6837\uff0c\u4e5f\u5bf9\u7535\u6d41\u6709\u963b\u788d\u4f5c\u7528\uff0c\u5176\u503c\u7684\u5927\u5c0f\u7528\u5bb9\u6297\u8868\u793a\uff0cf\u4ea4\u6d41\u7535\u7684\u9891\u7387\uff0cC\u7535\u5bb9\uff0c\u901a\u8fc7\u8fd9\u4e2a\u516c\u5f0f\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u4ea4\u6d41\u7535\u7684\u9891\u7387\u8d8a\u5927\uff0c\u5bb9\u6297\u8d8a\u5c0f\uff0c\u76f4\u6d41\u7535\u9891\u7387\u4e3a\u96f6\uff0c\u5bb9\u6297\u65e0\u9650\u5927\uff0c\u8fd9\u5c31\u662f\u7535\u5bb9\u7684\u9694\u76f4\u901a\u4ea4\u4f5c\u7528\u3002<\/p>\n

\n\t<\/p>\n

\n\t4.\u77e2\u91cf\u56fe\uff0c\u4ece\u56fe\u4e0a\u53ef\u4ee5\u770b\u51fa\uff0c\u52a0\u5728\u7535\u5bb9\u4e0a\u7684\u7535\u538b\u6ede\u540e\u4e8e\u7535\u6d4190°<\/p>\n

\n\t<\/p>\n

\n\t5.\u529f\u7387,P=0\uff0c\u4e5f\u5c31\u662f\u7535\u5bb9\u548c\u7535\u611f\u7684\u6709\u529f\u529f\u7387\u5747\u4e3a\u96f6\uff0c\u5b83\u4e5f\u4e0d\u662f\u8017\u80fd\u5143\u4ef6\uff0c\u5b83\u548c\u7535\u611f\u4e00\u6837\u662f\u50a8\u80fd\u5143\u4ef6\uff0c\u5176\u50a8\u80fd\u80fd\u529b\u7528\u65e0\u529f\u529f\u7387\u8868\u793aQL=UI\uff0c\u7b49\u4e8e\u7535\u538b\u4e0e\u7535\u6d41\u7684\u79ef\uff0c\u6216\u8005\u7535\u6d41\u7684\u5e73\u65b9\u4e0e\u5bb9\u6297\u7684\u79ef,\u5355\u4f4d\u4e5f\u662f\u4e4f\u5c14\uff08var\uff09\u3002<\/p>\n

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