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\u6388\u65f6\u5361\u914d\u5957\u7ba1\u7406\u5de5\u5177\u4e00\u822c\u63d0\u4f9b\u547d\u4ee4\u884c\u7a0b\u5e8f，\u9002\u914d\u9e92\u9e9f\u3001\u7edf\u4fe1\u7684systemd\u670d\u52a1\u7ba1\u7406\u5668，\u53ef\u7f16\u5199systemd\u670d\u52a1\u5355\u5143，\u5b9e\u73b0\u5f00\u673a\u81ea\u52a8\u8bfb\u53d6\u677f\u5361\u65f6\u95f4\u3001\u540c\u6b65\u7cfb\u7edf\u65f6\u949f\u3001\u8f93\u51fa1PPS\/PTP\u65f6\u95f4\u6233\u3002\u540c\u65f6\u914d\u7f6e\u65f6\u95f4\u504f\u5dee\u544a\u8b66\u9608\u503c：\u5f53\u536b\u661f\u5931\u9501\u3001PTP\u94fe\u8def\u4e2d\u65ad\u65f6，\u677f\u5361\u81ea\u52a8\u5207\u6362\u5185\u7f6e\u6676\u632f\u5b88\u65f6\u6a21\u5f0f，\u7cfb\u7edf\u8bb0\u5f55\u544a\u8b66\u65e5\u5fd7，\u8fd0\u7ef4\u5e73\u53f0\u901a\u8fc7SNMP\u91c7\u96c6\u72b6\u6001\u3002<\/p>\n

\u6743\u9650\u65b9\u9762，\u56fd\u4ea7\u7cfb\u7edf\u9ed8\u8ba4\u5b89\u5168\u7ba1\u63a7\u4e25\u683c，\u8bfb\u53d6\u677f\u5361\u8bbe\u5907\u6587\u4ef6\u3001\u8c03\u7528\u65f6\u95f4\u6233API\u9700\u914d\u7f6eudev\u6743\u9650，\u907f\u514d\u666e\u901a\u4e1a\u52a1\u8fdb\u7a0b\u65e0\u6743\u9650\u8bbf\u95ee\/dev\u4e0b\u6388\u65f6\u677f\u5361\u8bbe\u5907\u8282\u70b9；\u9ad8\u5b89\u5168\u7b49\u7ea7\u9879\u76ee，\u8fd8\u9700\u628a\u6388\u65f6\u76f8\u5173\u64cd\u4f5c\u7eb3\u5165\u5ba1\u8ba1\u65e5\u5fd7，\u7559\u5b58\u65f6\u95f4\u540c\u6b65\u8bb0\u5f55\u3001\u504f\u5dee\u8bb0\u5f55\u3001\u677f\u5361\u72b6\u6001\u65e5\u5fd7，\u6ee1\u8db3\u7535\u529b\u3001\u5de5\u63a7\u7b49\u884c\u4e1a\u89c4\u8303\u8981\u6c42\u3002<\/p>\n

\u56db\u3001\u534f\u8bae\u4e0e\u4e1a\u52a1\u9002\u914d：\u5317\u6597\/GPS\u3001PTP\u3001IRIG-B\u3001\u5b88\u65f6\u80fd\u529b\u9009\u578b<\/p>\n

CPEX\u6388\u65f6\u5361\u8fd9\u7c7b\u5317\u6597\u53cc\u6a21\u6388\u65f6\u5361\u652f\u6301\u591a\u534f\u8bae\u8f93\u5165\u8f93\u51fa，\u5728\u56fd\u4ea7\u670d\u52a1\u5668\u96c6\u7fa4\u4e2d，\u4e0d\u540c\u4e1a\u52a1\u5bf9\u534f\u8bae\u3001\u7cbe\u5ea6\u8981\u6c42\u4e0d\u540c，\u9002\u914d\u65b9\u6848\u4e5f\u8981\u533a\u5206\u8bbe\u8ba1\u3002<\/p>\n

1. \u536b\u661f\u6388\u65f6（\u5317\u6597\/GPS）：\u6388\u65f6\u677f\u5361\u5185\u7f6eGNSS\u63a5\u6536\u673a，\u652f\u6301\u5317\u6597&GPS\u53cc\u6a21，\u5b9a\u65f6\u7cbe\u5ea6\u901a\u5e38\u53ef\u8fbe\u7eb3\u79d2\u7ea7（\u5982\u226430ns RMS），\u662f\u4fe1\u521b\u9879\u76ee**\u4e3b\u7528\u65f6\u95f4\u6e90；\u5728\u5ba4\u5185\u3001\u5929\u7ebf\u53d7\u9650\u573a\u666f\u53ef\u5207\u6362\u5230PTP\u3001NTP\u3001IRIG-B\u7b49\u5916\u90e8\u53c2\u8003；<\/p>\n

2. PTP（IEEE 1588）\/gPTP\u6a21\u5f0f：\u91d1\u878d\u4ea4\u6613\u3001\u7535\u529b\u7ee7\u4fdd\u3001\u9ad8\u901f\u91c7\u96c6\u573a\u666f，\u786c\u4ef6\u65f6\u95f4\u6233，\u8fbe\u5230\u4e9a\u5fae\u79d2\u7ea7\u540c\u6b65，\u6388\u65f6\u5361\u53ef\u4f5cPTP\u4e3b\u65f6\u949f，\u914d\u5408\u652f\u6301PTP\u786c\u4ef6\u65f6\u95f4\u6233\u7684\u56fd\u4ea7\u7f51\u5361；<\/p>\n

3. IRIG-B\u7801\u63a5\u5165：\u53d8\u7535\u7ad9\u3001\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf，\u63a5\u6536\u5916\u90e8B\u7801\u6bcd\u949f（\u4ea4\u76f4\u6d41IRIG-B），\u518d\u901a\u8fc7\u603b\u7ebf\u540c\u6b65\u670d\u52a1\u5668\u65f6\u949f，\u9075\u5faaDL\/T 1100.1-2018\u6807\u51c6；<\/p>\n

4. NTP\u6a21\u5f0f：\u9002\u5408\u666e\u901a\u670d\u52a1\u5668\u96c6\u7fa4\u3001\u65e5\u5fd7\u5ba1\u8ba1\u7cfb\u7edf，\u53ef\u7531\u6388\u65f6\u5361\u914d\u5957\u670d\u52a1\u4f5c\u4e3a\u672c\u5730NTP\u670d\u52a1\u5668，\u540c\u673a\u623f\u5176\u4ed6\u56fd\u4ea7\u8282\u70b9\u63a5\u5165\u8be5\u6e90；<\/p>\n

5. \u5b88\u65f6\u80fd\u529b：\u536b\u661f\u3001\u5916\u90e8\u65f6\u95f4\u6e90\u4e2d\u65ad\u540e，\u4f9d\u9760\u677f\u8f7d\u6676\u632f\u7ef4\u6301\u65f6\u95f4\u7cbe\u5ea6\u3002\u6807\u914d\u591a\u4e3a\u9ad8\u7cbe\u5ea6\u6e29\u8865\u6676\u632f（TCXO），\u9ad8\u53ef\u9760\u573a\u666f\u53ef\u9009\u6052\u6e29\u6676\u632f（OCXO）\u751a\u81f3\u94f7\u539f\u5b50\u949f\u3001\u9a6f\u670d\u94f7\u949f，\u8fd9\u662f\u4fe1\u521b\u673a\u623f\u5197\u4f59\u8bbe\u8ba1\u7684\u5173\u952e\u6307\u6807，\u9009\u578b\u65f6\u987b\u660e\u786e\u5931\u9501\u540e\u7684\u5b88\u65f6\u7cbe\u5ea6\u4e0e\u6301\u7eed\u65f6\u957f\u3002<\/p>\n

CPEX\u603b\u7ebf\u6388\u65f6\u901a\u5e38\u4f18\u4e8e5~10\u03bcs，\u65f6\u95f4\u5206\u8fa8\u7387\u57281\u03bcs\u4ee5\u5185，\u8fd9\u7c7b\u8ba1\u7b97\u673a\u65f6\u95f4\u540c\u6b65\u677f\u5361，\u5df2\u8986\u76d6\u7535\u529b\u3001\u91d1\u878d\u3001\u901a\u4fe1\u3001\u4ea4\u901a\u3001\u5e7f\u7535\u3001\u5b89\u9632\u3001\u77f3\u5316\u3001\u51b6\u91d1\u3001\u6c34\u5229\u3001\u56fd\u9632\u3001\u533b\u7597\u3001\u6559\u80b2\u3001\u653f\u5e9c\u673a\u5173\u3001IT\u53ca\u5de5\u4e1a\u63a7\u5236\u3001\u9065\u6d4b\u9065\u63a7\u7b49\u5bf9\u65f6\u4e0e\u5b88\u65f6\u573a\u666f\u3002\u9700\u89c4\u907f\u4e00\u4e2a\u5e38\u89c1\u8bef\u533a：\u5f88\u591a\u9879\u76ee\u76f4\u63a5\u7528NTP\u66ff\u4ee3\u786c\u4ef6\u6388\u65f6，\u5728\u7f51\u7edc\u6296\u52a8\u3001\u4e1a\u52a1\u6d41\u91cf\u7a81\u589e\u65f6，\u540c\u6b65\u8bef\u5dee\u6025\u5267\u653e\u5927，\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u4e8b\u4ef6\u65f6\u5e8f\u3001\u4ea4\u6613\u65e5\u5fd7\u3001\u6545\u969c\u6eaf\u6e90\u4f1a\u51fa\u73b0\u9519\u4e71，\u8fd9\u4e5f\u662f\u9ad8\u53ef\u9760\u573a\u666f\u4f18\u5148\u9009\u7528CPEX\u6388\u65f6\u5361\u7684\u6838\u5fc3\u539f\u56e0\u3002<\/p>\n

\u4e94\u3001\u9a8c\u8bc1\u6d4b\u8bd5\u4e0e\u9a8c\u6536\u6807\u51c6（\u4fe1\u521b\u9879\u76ee\u843d\u5730\u5fc5\u5907）<\/p>\n

\u9002\u914d\u5b8c\u6210\u540e，\u9700\u8981\u4e00\u5957\u6807\u51c6\u5316\u6d4b\u8bd5\u6d41\u7a0b，\u786e\u8ba4\u6388\u65f6\u677f\u5361\u5728\u56fd\u4ea7\u670d\u52a1\u5668\u4e0a\u957f\u671f\u7a33\u5b9a\u8fd0\u884c，\u800c\u975e\u53ea\u770b\u5f00\u673a\u8bc6\u522b\u3002<\/p>\n

1. \u57fa\u7840\u8bc6\u522b\u6d4b\u8bd5：lspci\u3001dmesg\u67e5\u770b\u677f\u5361\u679a\u4e3e\u3001\u9a71\u52a8\u52a0\u8f7d\u3001\u4e2d\u65ad\u5206\u914d\u6b63\u5e38，\u65e0\u62a5\u9519\u65e5\u5fd7；<\/p>\n

2. \u540c\u6b65\u7cbe\u5ea6\u6d4b\u8bd5：\u8fde\u7eed\u91c7\u96c6\u7cfb\u7edf\u65f6\u949f\u4e0e\u677f\u53611PPS（TTL\u4fe1\u53f7，\u5b9a\u65f6\u7cbe\u5ea6\u4e00\u822c\u226430ns RMS）\u65f6\u95f4\u504f\u5dee，\u8bb0\u5f55\u6296\u52a8\u3001\u5747\u503c\u3001\u6700\u5927\u504f\u5dee；<\/p>\n

3. \u5197\u4f59\u5207\u6362\u6d4b\u8bd5：\u65ad\u5f00\u5317\u6597\u5929\u7ebf\u3001\u65ad\u5f00PTP\/B\u7801\u8f93\u5165，\u9a8c\u8bc1\u81ea\u52a8\u5207\u5b88\u65f6\u3001\u544a\u8b66\u4e0a\u62a5；\u6062\u590d\u4fe1\u53f7\u540e\u81ea\u52a8\u9a6f\u670d\u56de\u6807\u51c6\u65f6\u95f4；<\/p>\n

4. \u957f\u65f6\u95f4\u7a33\u5b9a\u6027\u6d4b\u8bd5：72h\u8fde\u7eed\u62f7\u673a，\u670d\u52a1\u5668\u9ad8\u8d1f\u8f7d（\u4e1a\u52a1\u538b\u6d4b）\u4e0b，\u89c2\u5bdf\u677f\u5361\u662f\u5426\u6389\u5361\u3001\u65f6\u949f\u6f02\u79fb\u662f\u5426\u8d85\u6807；\u540c\u65f6\u8bb0\u5f55\u6e29\u5ea6\u3001\u4f9b\u7535\u7a33\u5b9a\u6027\u8868\u73b0；<\/p>\n

5. \u7248\u672c\u56de\u5f52\u6d4b\u8bd5：\u64cd\u4f5c\u7cfb\u7edf\u5347\u7ea7\u5185\u6838\u3001\u6253SP\u8865\u4e01\u540e，\u91cd\u65b0\u9a8c\u8bc1\u9a71\u52a8\u52a0\u8f7d\u4e0e\u6388\u65f6\u529f\u80fd，\u9632\u6b62\u5347\u7ea7\u540e\u9002\u914d\u5931\u6548\u3002<\/p>\n

\u9a8c\u6536\u6587\u6863\u5efa\u8bae\u5305\u542b：\u670d\u52a1\u5668\u673a\u578b\u3001CPU\u67b6\u6784\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\u3001\u5185\u6838\u7248\u672c\u3001\u9a71\u52a8\u7248\u672c\u3001\u504f\u5dee\u6d4b\u8bd5\u62a5\u544a\u3001\u5931\u9501\u5b88\u65f6\u6d4b\u8bd5\u8bb0\u5f55，\u4f5c\u4e3a\u4fe1\u521b\u9879\u76ee\u517c\u5bb9\u5f52\u6863\u6750\u6599\u3002\u53c2\u8003\u6574\u5361\u53ef\u9760\u6027\u6307\u6807（\u5982MTBF\u226510\u4e07\u5c0f\u65f6\u3001\u5de5\u4f5c\u6e29\u5ea60\u2103～+70\u2103\u3001\u5b58\u50a8\u6e29\u5ea6-40\u2103～+85\u2103\u3001\u76f8\u5bf9\u6e7f\u5ea6\u226490%），\u53ef\u636e\u6b64\u8bc4\u4f30CPEX\u6388\u65f6\u5361\u957f\u671f\u8fd0\u884c\u53ef\u9760\u6027\u3002<\/p>\n

\u516d\u3001\u9ad8\u9891\u9002\u914d\u6545\u969c\u4e0e\u6392\u67e5\u6e05\u5355<\/p>\n

1. \u677f\u5361lspci\u770b\u4e0d\u5230：\u4f18\u5148\u6392\u67e5BIOS PCIe\u8bbe\u7f6e\u3001\u63d2\u69fd\u4f9b\u7535\u3001\u677f\u5361\u786c\u4ef6；\u56fd\u4ea7\u670d\u52a1\u5668\u90e8\u5206\u63d2\u69fd\u5728BIOS\u91cc\u9ed8\u8ba4\u7981\u7528；<\/p>\n

2. \u9a71\u52a8insmod\u52a0\u8f7d\u5931\u8d25：\u5185\u6838\u7248\u672c\u4e0d\u5339\u914d\u3001\u5b89\u5168\u542f\u52a8\/\u5185\u6838\u7b7e\u540d\u62e6\u622a\u3001\u67b6\u6784\u7248\u672c\u9519\u8bef（ARM\u9a71\u52a8\u653e\u5230x86\u6d77\u5149\u5e73\u53f0）；<\/p>\n

3. \u65f6\u949f\u53cd\u590d\u8df3\u53d8：chrony\/ntpd\u540e\u53f0\u670d\u52a1\u672a\u5173\u95ed，\u8f6f\u4ef6\u65f6\u949f\u4e0e\u786c\u4ef6\u6388\u65f6\u51b2\u7a81；<\/p>\n

4. \u536b\u661f\u4fe1\u53f7\u6b63\u5e38\u4f46\u7cfb\u7edf\u65f6\u95f4\u4e0d\u66f4\u65b0：udev\u6743\u9650\u7f3a\u5931\u3001\u8bbe\u5907\u8282\u70b9\u751f\u6210\u5931\u8d25\u3001\u7ba1\u7406\u670d\u52a1\u672a\u6b63\u5e38\u542f\u52a8；<\/p>\n

5. \u9ad8\u8d1f\u8f7d\u4e0b\u540c\u6b65\u6296\u52a8\u53d8\u5927：\u4e2d\u65ad\u5171\u4eab\u51b2\u7a81，\u5728BIOS\u4e2d\u8c03\u6574MSI\u4e2d\u65ad\u5206\u914d，\u907f\u514d\u4e0e\u7f51\u5361\u3001\u5b58\u50a8\u63a7\u5236\u5668\u4e89\u62a2\u4e2d\u65ad\u8d44\u6e90；<\/p>\n

6. \u5929\u7ebf\u5931\u9501\u540e\u5b88\u65f6\u7cbe\u5ea6\u4e0d\u8db3：\u786e\u8ba4\u5317\u6597\u53cc\u6a21\u6388\u65f6\u5361\u5185\u7f6e\u65f6\u949f\u7c7b\u578b（\u6e29\u8865\u6676\u632f\/\u6052\u6e29\u6676\u632f\/\u94f7\u949f）\u662f\u5426\u5339\u914d\u4e1a\u52a1\u5b88\u65f6\u8981\u6c42，\u5fc5\u8981\u65f6\u5347\u7ea7\u9009\u4ef6\u3002<\/p>\n

\u53c2\u8003\u6587\u732e<\/p>\n

[1] IEEE Std 1588-2019, IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems[S].<\/p>\n

[2] RFC 5905, Network Time Protocol Version 4 (NTPv4)[S].<\/p>\n

[3] DL\/T 1100.1-2018, \u7535\u529b\u7cfb\u7edf\u7684\u65f6\u95f4\u540c\u6b65\u7cfb\u7edf \u7b2c1\u90e8\u5206：\u6280\u672f\u89c4\u8303[S].<\/p>\n

[4] \u9e92\u9e9f\u8f6f\u4ef6. \u94f6\u6cb3\u9e92\u9e9f\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edfV10\u4ea7\u54c1\u624b\u518c[Z].<\/p>\n

[5] \u7edf\u4fe1\u8f6f\u4ef6. \u7edf\u4fe1UOS\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u6280\u672f\u767d\u76ae\u4e66[Z].<\/p>\n

[6] \u90a2\u5f00\u4eae,\u5c39\u4e49\u5bb9,\u9ec4\u6c38\u534e,\u7b49.\u63d0\u9ad8\u7f51\u7edc\u6388\u65f6\u7cbe\u5ea6\u7684Kalman\u6ee4\u6ce2\u65b9\u6cd5[J].\u4eea\u5668\u4eea\u8868\u5b66\u62a5,2011,32(4):949-954.<\/p>\n<\/p>\n

\"<\/p>\n<\/p>\n

\"<\/p>\n

\"<\/p>\n<\/p>\n

\"<\/p>\n

\"<\/p>\n<\/p>\n

\"<\/p>\n

\"<\/p>\n

\"<\/p>\n<\/p>\n

\"<\/p>\n

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