{"id":8640,"date":"2019-01-07T15:58:57","date_gmt":"2019-01-07T07:58:57","guid":{"rendered":"http:\/\/blog.sepc.ac.cn\/?p=8640"},"modified":"2019-01-07T15:58:57","modified_gmt":"2019-01-07T07:58:57","slug":"%e6%b5%81%e6%98%9f%e7%9a%84%e2%80%9c%e5%a3%b0%e9%9f%b3%e2%80%9d","status":"publish","type":"post","link":"http:\/\/blog.sepc.ac.cn\/?p=8640","title":{"rendered":"\u6d41\u661f\u7684\u201c\u58f0\u97f3\u201d"},"content":{"rendered":"

\u00a0 \u00a0\u4eba\u4eec\u603b\u662f\u5bf9\u6d41\u661f\u96e8\u5145\u6ee1\u4e86\u6d6a\u6f2b\u7684\u60f3\u8c61\u3002\u60f3\u770b\u6d41\u661f\u96e8\uff0c\u4e00\u822c\u8981\u53bb\u8fdc\u79bb\u5149\u6c61\u67d3\u7684\u90ca\u5916\uff0c\u4f46\u662f\u5728\u57ce\u5e02\u751f\u6d3b\u7684\u6211\u4eec\uff0c\u5e74\u5e74\u90fd\u542c\u8bf4\u6709\u6d41\u661f\u96e8\uff0c\u4f46\u5c31\u662f\u4ece\u6765\u6ca1\u6709\u89c1\u5230\u8fc7\u3002<\/span>\u00a0<\/span><\/p>\n

\"\"<\/a>\uff08\u56fe\u7247\u6765\u6e90\uff1a\u7f51\u7edc\u622a\u56fe\uff09<\/span><\/p>\n

\u00a0 \u00a0 \u5982\u679c\u4f60\u7f3a\u5c11\u7279\u610f\u8dd1\u5230\u90ca\u5916\u770b\u6d41\u661f\u7684<\/span>\u201c\u8ffd\u661f\u201d\u70ed\u60c5\uff0c\u53c8\u60f3\u8d81\u6b64\u673a\u4f1a\u6d6a\u6f2b\u4e00\u4e0b\uff0c\u600e\u4e48\u529e\uff1f\u6216\u8bb8\u4f60\u53ef\u4ee5\u95ed\u4e0a\u773c\u775b\uff0c\u7528\u53e6\u5916\u4e00\u79cd\u65b9\u5f0f\u611f\u77e5\u6d41\u661f\uff0c\u542c\u6d41\u661f\u7684\u201c\u58f0\u97f3\u201d\u3002<\/p>\n

\u6d41\u661f\u96e8\u4ece\u54ea\u91cc\u6765<\/span><\/strong><\/p>\n

\u00a0 \u00a0 \u6d41\u661f\u96e8<\/span>\u6765\u81ea<\/span>\u592a\u9633\u7cfb\u4e2d\u67d0\u4e9b<\/span>\u5f57\u661f<\/span>\u3001<\/span>\u5c0f\u884c\u661f<\/span>\u7684<\/span>\u788e\u7247\u3002<\/span>\u8fd9\u4e9b\u661f\u4f53\u8fd0\u884c<\/span>\u5728\u5927\u692d\u5706\u8f68\u9053\u4e0a<\/span>\uff0c\u51e0\u5341\u5e74<\/span>\u81f3\u4e0a\u767e\u5e74\u7ed5\u592a\u9633\u4e00\u5468\uff0c\u5f53\u5b83<\/span>\u4eec<\/span>\u63a5\u8fd1\u592a\u9633\u65f6\uff0c\u53d7\u5230<\/span>\u592a\u9633\u98ce<\/span>\u7684\u4f5c\u7528\u4f1a\u55b7\u5c04\u51fa\u5927\u91cf\u9897\u7c92<\/span>\u3002<\/span>\u8fd9\u4e9b<\/span>\u9897\u7c92<\/span>\u76f4\u5f84\u4ecb\u4e8e<\/span>100\u5fae\u7c73\u81f3<\/span>10<\/span>\u7c73\u4e4b\u95f4\uff0c<\/span>\u5bc6\u5ea6<\/span>\u3001\u8d28\u91cf<\/span>\u5f88\u4f4e\uff08<\/span>0.1\uff5e<\/span>0.5 g\/cm<\/span>3<\/sup>\uff09<\/span>\uff0c\u542b\u6709<\/span>\u94a0\u3001<\/span>\u9502<\/span>\u3001<\/span>\u94c1\u3001\u9541\u3001\u94dd\u3001\u9499\u7b49\u591a\u79cd\u5143\u7d20<\/span>\u3002<\/span>\u5728\u51e0\u4e2a<\/span>\u4e16\u7eaa<\/span>\u7684<\/span>\u65f6\u95f4<\/span>\u5185\uff0c\u8fd9\u4e9b\u9897\u7c92<\/span>\u5728\u5f57\u661f<\/span>\u6216<\/span>\u5c0f\u884c\u661f\u7684\u8f68\u9053\u9644\u8fd1\u5f62\u6210\u4e00\u6761<\/span>\u5e7f\u9614<\/span>\u7684\u5c18\u57c3\u5e26\u3002<\/span><\/p>\n

\u00a0 \u00a0 \u6bcf\u5f53\u5730\u7403\u7a7f\u8d8a\u8fd9\u4e9b<\/span>\u5c18\u57c3\u5e26<\/span>\u65f6\uff0c\u5f57\u661f<\/span>\u6216<\/span>\u5c0f\u884c\u661f\u7684<\/span>\u788e\u7247<\/span>\u4ee5<\/span>18km\/s\u7684<\/span>\u5e73\u5747\u901f\u5ea6<\/span>\u6295\u5c04\u8fdb\u5730\u7403\u5927\u6c14\uff0c\u6d41\u661f\u96e8\u5c31\u4f1a\u964d\u4e34\u5730\u7403<\/span>\u3002\u7531\u4e8e<\/span>\u5730\u7403\u8f68\u9053\u4e0e<\/span>\u5c18\u57c3<\/span>\u5e26<\/span>\u4e4b\u95f4\u7684<\/span>\u65b9\u4f4d\u662f\u56fa\u5b9a<\/span>\u7684\uff0c\u56e0\u6b64\u5728<\/span>\u591c\u7a7a\u4e0a\u770b<\/span>\u6765<\/span>\u6d41\u661f<\/span>\u96e8\u4f3c\u4e4e\u662f\u4ece<\/span>\u540c\u4e00\u4e2a\u4f4d\u7f6e<\/span>\u6295\u5c04<\/span>\u51fa\u6765<\/span>\uff0c\u6d41\u661f\u96e8<\/span>\u7684<\/span>\u540d\u5b57<\/span>\u5c31\u7528\u8f90\u5c04\u4e2d\u5fc3\u5904\u7684\u661f\u5ea7<\/span>\u547d\u540d<\/span>\u3002<\/span>\u00a0<\/span><\/p>\n

\"\"<\/a>\u56fe<\/span>1\u00a0\u00a0\u5730\u7403\u5728<\/span>\u5f57\u661f\u7559\u4e0b\u7684<\/span>\u6d41\u661f\u4f53<\/span>\u5e26<\/span>\u4e2d<\/span>\u7a7f\u884c\u800c\u8fc7<\/span><\/p>\n

\u00a0 \u00a0 \u4f8b\u5982<\/span>\u6bcf\u5e74<\/span>12\u6708\u4e2d\u65ec<\/span>\uff0c\u5730\u7403<\/span>\u4f1a\u4ece\u5c0f\u884c\u661f<\/span>Phaeton\u4ea7\u751f\u7684\u788e\u7247<\/span>\u5e26\u4e2d<\/span>\u7a7f\u884c\u800c\u8fc7<\/span>\uff0c\u5728\u89c2\u6d4b\u6761\u4ef6<\/span>\u597d\u7684\u60c5\u51b5\u4e0b<\/span>\uff0c\u4ee5\u53cc\u5b50<\/span>\u5ea7\u4e3a\u4e2d\u5fc3<\/span>\uff0c\u5e73\u5747<\/span>\u6bcf\u5c0f\u65f6\u80fd\u770b\u5230<\/span>120\u9897<\/span>\u6d41\u661f<\/span>\uff0c<\/span>\u8fd9\u5c31\u662f<\/span>\u53cc\u5b50\u5ea7<\/span>\u6d41\u661f\u96e8\u3002<\/span><\/p>\n

\u00a0 \u00a0 \u90a3\u4e48\u6211\u4eec\u8981\u5982\u4f55\u624d\u80fd\u542c\u5230\u6d41\u661f\u5462\uff1f\u8fd9\u8981\u4ece\u6211\u4eec\u719f\u6089\u7684\u6536\u97f3\u673a\u8bf4\u8d77\u3002<\/span><\/p>\n

\u9ad8\u5c42\u5927\u6c14\u7535\u79bb<\/span> <\/strong>\u4f20\u64ad<\/span><\/strong>\u7535\u6ce2\u4fe1\u53f7<\/span><\/strong><\/p>\n

<\/strong>\u00a0 \u00a0 \u8ddd\u5730\u8868<\/span>60\u516c\u91cc\u81f3\u51e0\u5343\u516c\u91cc\u7684\u9ad8\u5c42\u5927\u6c14\u88ab\u592a\u9633\u7d2b\u5916\u7ebf\u7535\u79bb\uff0c\u79f0\u4e3a\u7535\u79bb\u5c42\u3002\u7535\u79bb\u5c42\u80fd\u591f\u53cd\u5c04\u9891\u7387\u4f4e\u4e8e<\/span>30MHz<\/span>\u7684\u77ed\u6ce2\u65e0\u7ebf\u7535\u6ce2\u3002\u7535\u6ce2\u5728\u5730\u9762\u548c\u7535\u79bb\u5c42\u4e4b\u95f4\u6765\u56de\u53cd\u5c04\uff0c\u53ef\u4ee5\u4f20\u64ad\u5230\u4e0a\u5343\u516c\u91cc\u4e4b\u5916\u3002<\/span><\/p>\n

\u00a0 \u00a0 \u5e38\u542c\u5e7f\u64ad\u7684\u670b\u53cb\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230\uff0c\u6536\u97f3\u673a\u53ef\u4ee5\u63a5\u6536\u5230\u7684\u5e7f\u64ad\u9891\u6bb5\u5206\u4e3a\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u9891\u7387\u6bd4\u8f83\u4f4e\uff08<\/span>3-30MHz\uff09\u7684<\/span>AM<\/span>\u8c03\u5e45\u5e7f\u64ad\uff0c\u53e6\u4e00\u79cd\u4e3a\u9891\u7387\u8f83\u9ad8\uff08<\/span>87.5-108MHz<\/span>\uff09\u7684<\/span>FM<\/span>\u8c03\u9891\u5e7f\u64ad\u3002<\/span>AM<\/span>\u8c03\u5e45\u5e7f\u64ad\u5c31\u662f\u5229\u7528\u7535\u79bb\u5c42\u53cd\u5c04\u7684\u65b9\u5f0f\u4f20\u64ad\u7684\u3002\u6761\u4ef6\u597d\u7684\u60c5\u51b5\u4e0b\uff0c\u6765\u81ea\u5927\u6d0b\u5f7c\u5cb8\u7684<\/span>AM<\/span>\u5e7f\u64ad\u90fd\u80fd\u88ab\u63a5\u6536\u5230\u3002\u4e00\u822c\u6765\u8bb2\uff0c\u7535\u79bb\u5c42\u53ea\u80fd\u53cd\u5c04\u4f4e\u9891\u7684\u65e0\u7ebf\u7535\u6ce2\u3002\u9891\u7387\u8f83\u9ad8\u7684<\/span>FM<\/span>\u8c03\u9891\u5e7f\u64ad\u4e0d\u4f1a\u53d7\u7535\u79bb\u5c42\u53cd\u5c04\uff0c\u5728\u5927\u6c14\u5c42\u4e2d\u53ea\u80fd\u6cbf\u76f4\u7ebf\u4f20\u64ad\u3002\u7531\u4e8e\u5e7f\u64ad\u4fe1\u53f7\u53d7\u5730\u5e73\u7ebf\u963b\u6321\uff0c\u4f20\u64ad\u8ddd\u79bb\u4f1a\u5927\u5927\u7f29\u77ed\u3002\u6b63\u56e0\u4e3a\u5982\u6b64\uff0c\u6536\u97f3\u673a\u901a\u5e38\u53ea\u80fd\u63a5\u6536\u5230\u540c\u57ce\u51e0\u5341\u516c\u91cc\u4ee5\u5185\u7684<\/span>FM<\/span>\u5e7f\u64ad\u4fe1\u53f7\u3002<\/span><\/p>\n

\"\"<\/a>\u56fe<\/span>2\u00a0\u7535\u79bb\u5c42<\/span>\u53cd\u5c04\u65e0\u7ebf\u7535\u6ce2<\/span><\/p>\n

\u00a0 \u00a0 \u6d41\u661f<\/span>\u201c\u8f6c\u64ad\u201d\u58f0\u97f3<\/span>\u7684<\/span>\u539f\u7406\u4e0e\u7535\u79bb\u5c42<\/span>\u4f20\u64ad<\/span>AM\u5e7f\u64ad\u4fe1\u53f7<\/span>\u7684\u539f\u7406<\/span>\u7c7b\u4f3c<\/span>\u3002<\/span>\u5f53\u6d41\u661f\u96e8\u6765\u4e34\u65f6\uff0c\u5927\u91cf\u7684\u6d41\u661f<\/span>\u4f53<\/span>\u5728\u7535\u79bb\u5c42\u5e95\u90e8\u4e0e\u5927\u6c14<\/span>\u4f5c\u7528<\/span>\uff0c\u70e7\u8680\u6b86\u5c3d\uff0c\u7559\u4e0b\u4e00\u9053\u9053\u88ab\u7535\u79bb\u7684\u8f68\u8ff9\u3002\u8fd9\u4e9b\u8f68\u8ff9\u53ef\u80fd\u6709\u51e0\u5341\u516c\u91cc\u957f\uff0c\u4f4d\u4e8e\u8ddd\u79bb\u5730\u9762<\/span>80~120\u516c\u91cc\u7684\u9ad8\u5ea6\u4e0a\uff0c\u79f0\u4e3a\u6d41\u661f\u4f59\u8ff9\u3002\u6d41\u661f\u4f59\u8ff9\u589e\u5927\u4e86\u4f4e\u5c42\u7535\u79bb\u5c42\u7684\u7535\u5b50\u3001\u79bb\u5b50\u5bc6\u5ea6\u3002\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6d41\u661f\u4f59\u8ff9\u4f1a\u50cf\u7535\u79bb\u5c42\u5bf9<\/span>AM<\/span>\u65e0\u7ebf\u7535\u6ce2\u7684\u4f5c\u7528\u4e00\u6837\uff0c\u53cd\u5c04\u9ad8\u9891\u7387\u7684<\/span>FM<\/span>\u65e0\u7ebf\u7535\u6ce2\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u80fd\u7a81\u7136\u542c\u5230\u7531\u6d41\u661f\u5e26\u6765\u7684\u8fdc\u65b9\u7535\u53f0\u7684\u58f0\u97f3\u3002<\/span><\/p>\n

\"\"<\/a>\u56fe<\/span>3 \u6d41\u661f\u4ea7\u751f<\/span>\u4f59\u8ff9<\/span>\uff08<\/span>\u56fe\u6765\u81ea\u7f51\u7edc\uff09<\/span><\/p>\n

\u00a0\u4e00\u8d77\u6765<\/span>\u201c\u542c\u201d\u6d41\u661f\u96e8<\/strong>\u00a0<\/strong><\/p>\n

\u00a0 \u00a0 \u600e\u6837\u6536\u542c\u6d41\u661f<\/span>\u201c\u8f6c\u64ad\u201d\u7684FM<\/span>\u5e7f\u64ad\u5462\uff1f\u9996\u5148\u6211\u4eec\u9700\u8981\u627e\u5230\u4e00\u4e2a\u76ee\u6807\u7535\u53f0\u3002\u7531\u4e8e\u6d41\u661f\u4f59\u8ff9\u7684\u9ad8\u5ea6\u5728<\/span>100<\/span>\u516c\u91cc\u5de6\u53f3\uff0c\u5b83\u80fd\u591f\u201c\u8f6c\u64ad\u201d\u7684\u7535\u53f0\u4e0e\u6536\u542c\u8005\u7684\u8ddd\u79bb\u9700\u8981\u5728<\/span>1000<\/span>\u81f3<\/span>2000<\/span>\u516c\u91cc\u4e4b\u95f4\u3002\u6211\u4eec\u53ef\u4ee5\u62ff\u51fa\u4e2d\u56fd\u5730\u56fe\uff0c\u5728\u8ddd\u79bb\u672c\u5730<\/span>1000<\/span>\u81f3<\/span>2000<\/span>\u516c\u91cc\u4e4b\u95f4\u627e\u4e00\u4e2a\u5927\u57ce\u5e02\uff0c\u4e0a\u7f51\u67e5\u8be2\u4e00\u4e0b\u8fd9\u4e2a\u57ce\u5e02\u70ed\u95e8\u7684\u5e7f\u64ad\u7535\u53f0\u9891\u7387\u3002\u7535\u53f0\u529f\u7387\u8d8a\u5927\uff0c\u6536\u542c\u5230\u7684\u51e0\u7387\u4e5f\u5c31\u8d8a\u5927\u3002\u9009\u62e9\u4e00\u4e2a\u8ddf\u672c\u5730\u7535\u53f0\u9891\u7387\u4e0d\u51b2\u7a81\u7684\u7535\u53f0\uff0c\u628a\u6536\u97f3\u673a\u8c03\u5230\u8fd9\u4e2a\u9891\u7387\u4e0a\u3002<\/span><\/p>\n

\u00a0 \u00a0 \u5982\u679c\u4f60\u8db3\u591f\u5e78\u8fd0\uff0c\u5f53\u4e00\u9897\u6d41\u661f\u5e78\u8fd0\u5730\u51fa\u73b0\u5728\u6536\u542c\u8005\u548c\u7535\u53f0\u7684\u6b63\u4e2d\u95f4\u65f6\uff08\u8ddd\u79bb\u6211\u4eec<\/span>500\u81f3<\/span>1000<\/span>\u516c\u91cc\u5904\uff09\uff0c\u6536\u97f3\u673a\u91cc\u7684\u201c\u5636\u5636\u201d\u58f0\u4f1a\u7a81\u7136\u53d8\u4e3a\u7535\u53f0\u8282\u76ee\u7684\u58f0\u97f3\u3002\u7531\u4e8e\u6d41\u661f\u5c3e\u8ff9\u5728\u51e0\u79d2\u7684\u65f6\u95f4\u5185\u5feb\u901f\u6d88\u6563\uff0c\u4fe1\u53f7\u5c31\u4f1a\u6d88\u5931\uff0c\u6536\u97f3\u673a\u91cc\u5f88\u5feb\u4f1a\u53c8\u4f1a\u53d8\u56de\u65e0\u4fe1\u53f7\u7684\u72b6\u6001\u3002\u5982\u679c\u8fd9\u9897\u5e78\u8fd0\u6d41\u661f\u8fdf\u8fdf\u4e0d\u51fa\u73b0\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u8bd5\u8bd5\u5176\u5b83\u65b9\u5411\u7684\u7535\u53f0\uff0c\u78b0\u78b0\u8fd0\u6c14\u3002<\/span><\/p>\n

\u00a0 \u00a0 \u4e3a\u6211\u4eec<\/span>\u201c\u8f6c\u64ad\u201d\u8282\u76ee\u7684\u6d41\u661f\u4e00\u822c\u79bb\u6211\u4eec\u5f88\u8fdc\uff0c\u4f4d\u4e8e\u5730\u5e73\u7ebf\u9644\u8fd1\uff0c\u56e0\u6b64\u662f\u770b\u4e0d\u5230\u7684\uff0c\u53ea\u80fd\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\u542c\u5230\u5b83\u4eec\u7684\u201c\u58f0\u97f3\u201d\u3002\u8fd9\u4e00<\/span>\u73b0\u8c61<\/span>\u79f0\u4e3a<\/span>\u6d41\u661f\u7a81\u53d1\u901a\u4fe1<\/span>\u3002<\/span>\u5b83<\/span>\u53ef<\/span>\u4f7f<\/span>\u534a\u5f84<\/span>2000 km \u4ee5\u5185\u7684<\/span>\u4e24\u4e2a<\/span>\u70b9\u4e4b\u95f4<\/span>\u77ed\u6682<\/span>\u8fbe\u5230<\/span>\u901a\u4fe1<\/span>\u6761\u4ef6<\/span>\uff0c\u800c\u4e0d\u9700\u8981\u4e2d\u7ee7\u5668\u7684\u5e2e\u52a9\u3002<\/span>\u5b9e\u9645\u4e0a<\/span>\uff0c<\/span>\u66f4\u591a\u60c5\u51b5<\/span>\u4e0b<\/span>\u6d41\u661f\u96e8<\/span>\u5bf9<\/span>\u7535\u6ce2<\/span>\u901a\u4fe1<\/span>\u7684<\/span>\u5f71\u54cd<\/span>\u662f\u8d1f\u9762\u7684<\/span>\u3002<\/span>\u6d41\u661f\u5c3e\u8ff9<\/span>\u7684\u7b49\u79bb\u5b50\u4f53<\/span>\u53ef\u80fd<\/span>\u5f15\u8d77<\/span>\u4e0d\u89c4\u5219\u53cd\u5c04\u548c\u6f2b\u53cd\u5c04\uff0c\u6539\u53d8\u7535\u6ce2\u4f20\u64ad\u7684\u8def\u5f84<\/span>\u3001<\/span>\u5206\u6563\u7535\u6ce2\u7684\u5f3a\u5ea6<\/span>\uff0c<\/span>\u964d\u4f4e\u901a\u8baf\u8d28\u91cf\u3002\u4f8b\u5982\u5728<\/span>1966 \u5e74<\/span>\u8d85\u5927\u89c4\u6a21\u7684<\/span>\u72ee\u5b50\u5ea7\u6d41\u661f\u96e8<\/span>\u6765\u4e34<\/span>\u65f6<\/span>\uff0c<\/span>\u6d41\u661f\u5c3e\u8ff9<\/span>\u9020\u6210\u7535\u79bb\u5c42<\/span>\u7535\u5b50\u5bc6\u5ea6<\/span>\u4e0a\u5347<\/span>\u4e86<\/span>100\u500d\uff0c\u7535\u6ce2\u4f20\u64ad\u88ab\u4e25\u91cd\u7834\u574f\u3002<\/span>\u6d41\u661f\u96e8\u7684<\/span>\u7cbe\u786e\u7684\u9884\u62a5\u4e00\u822c\u53c2\u8003\u56fd\u9645\u6d41\u661f\u7ec4\u7ec7<\/span>(IMO)\u7684\u5e74\u5ea6\u6d41\u661f\u96e8\u65e5\u5386\uff0c\u6bcf\u5e74<\/span>6-8<\/span>\u6708\u4ee5\u53ca<\/span>10-12<\/span>\u6708\u5747\u6709\u8f83\u5927\u7684\u6d41\u661f\u96e8\u51fa\u73b0\u3002<\/span><\/p>\n

\u00a0 \u00a0 \u4e0b\u6b21\u6d41\u661f\u96e8\u6765\u4e34\u65f6\uff0c\u867d\u7136\u5728\u57ce\u5e02\u4e2d\u96be\u4ee5\u4e00\u7779\u6d41\u661f\u7684\u9635\u5bb9\uff0c\u4f46\u53ef\u4ee5\u6253\u5f00\u6536\u97f3\u673a\uff0c\u8bd5\u8bd5\u6536\u542c\u6d41\u661f\u7684<\/span>\u201c\u58f0\u97f3\u201d\uff0c\u60f3\u60f3\u4e5f\u662f\u975e\u5e38\u6d6a\u6f2b\u5462~<\/span><\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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