NMEA\u534f\u8bae\u662f\u4e3a\u4e86\u5728\u4e0d\u540c\u7684GPS\u5bfc\u822a\u8bbe\u5907\u4e2d\u5efa\u7acb\u7edf\u4e00\u7684RTCM(\u6d77\u4e8b\u65e0\u7ebf\u7535\u6280\u672f\u59d4\u5458\u4f1a)\u6807\u51c6\uff0c\u5b83\u6700\u521d\u662f\u7531\u7f8e\u56fd\u56fd\u5bb6\u6d77\u6d0b\u7535\u5b50\u534f\u4f1a(NMEA\u2014The NationalMarine Electronics Association)\u5236\u5b9a\u7684\u3002NMEA\u534f\u8bae\u67090180\u30010182\u548c0183\u8fd93\u79cd\uff0c0183\u53ef\u4ee5\u8ba4\u4e3a\u662f\u524d\u4e24\u79cd\u7684\u5347\u7ea7\uff0c\u4e5f\u662f\u76ee\u524d\u4f7f\u7528\u6700\u4e3a\u5e7f\u6cdb\u7684\u4e00\u79cd\u3002\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u5982\u679c\u53ea\u662f\u63a5\u6536GPS\u7684\u8f93\u51fa\uff0e\u5219\u53ea\u9700\u4e24\u6839\u4fe1\u53f7\u7ebf GPS\u6570\u636e\u8f93\u51fa\u7ebf\u548c\u4fe1\u53f7\u5730\u7ebf\uff0c\u53ef\u4ee5\u76f4\u63a5\u5c06EIA-422\u8f93\u51fa\u901a\u9053\u4e24\u6761\u4fe1\u53f7\u7ebf\u4e2d\u7684\u4e00\u6761\u540c\u8ba1\u7b97\u673a\u7684Rs232C\u8f93\u5165\u7ebf\u76f8\u8fde\u3002<\/p>\n
GPS(\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf)\u63a5\u6536\u673a\u4e0e\u624b\u6301\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u4e00\u822c\u90fd\u7531\u751f\u4ea7\u5382\u5546\u7f3a\u7701\u5b9a\u5236\uff0c\u5176\u5b9a\u4e49\u5185\u5bb9\u666e\u901a\u7528\u6237\u5f88\u96be\u77e5\u6653\uff0c\u4e14\u4e0d\u540c\u54c1\u724c\u3001\u4e0d\u540c\u578b\u53f7\u7684GPS\u63a5\u6536\u673a\u6240\u914d\u7f6e\u7684\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f\u4e5f\u56e0\u751f\u4ea7\u5382\u5bb6\u7684\u4e0d\u540c\u800c\u4e0d\u540c\u3002\u6240\u4ee5\uff0c\u5bf9\u4e8e\u901a\u7528GPS\u5e94\u7528\u8f6f\u4ef6\uff0c\u9700\u8981\u4e00\u4e2a\u7edf\u4e00\u683c\u5f0f\u7684\u6570\u636e\u6807\u51c6\uff0c\u4ee5\u89e3\u51b3\u4e0e\u4efb\u610f\u4e00\u53f0GPS\u7684\u63a5\u53e3\u95ee\u9898\u3002NMEA-0183\u6570\u636e\u6807\u51c6\u5c31\u662f\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\u7684\u65b9\u6848\u4e4b\u4e00\u3002NMEA\u534f\u8bae\u662f\u4e3a\u4e86\u5728\u4e0d\u540c\u7684GPS\u5bfc\u822a\u8bbe\u5907\u4e2d\u5efa\u7acb\u7edf\u4e00\u7684RTCM(\u6d77\u4e8b\u65e0\u7ebf\u7535\u6280\u672f\u59d4\u5458\u4f1a)\u6807\u51c6\uff0c\u5b83\u6700\u521d\u662f\u7531\u7f8e\u56fd\u56fd\u5bb6\u6d77\u6d0b\u7535\u5b50\u534f\u4f1a(NMEA\u2014The NationalMarine Electronics Association)\u5236\u5b9a\u7684\u3002NMEA\u534f\u8bae\u67090180\u30010182\u548c0183\u8fd93\u79cd\uff0c0183\u53ef\u4ee5\u8ba4\u4e3a\u662f\u524d\u4e24\u79cd\u7684\u5347\u7ea7\uff0c\u4e5f\u662f\u76ee\u524d\u4f7f\u7528\u6700\u4e3a\u5e7f\u6cdb\u7684\u4e00\u79cd<\/p>\n
NMEA\u901a\u8baf\u534f\u8bae\u786c\u4ef6\u63a5\u53e3<\/p>\n
\u7b26\u5408NMEAO183\u6807\u51c6\u7684GPS\u63a5\u6536\u673a\u7684\u786c\u4ef6\u63a5\u53e3\u80fd\u591f\u517c\u5bb9\u8ba1\u7b97\u673a\u7684RS-232C\u534f\u8bae\u4e32\u53e3\uff0c\u7136\u800c\uff0c\u4e25\u683c\u6765\u8bf4NMEA\u6807\u51c6\u4e0d\u662fRS-232C\uff0c\u89c4\u8303\u63a8\u8350\u4f9d\u7167EIA422(\u4e5f\u79f0\u4e3aRS-422)\u3002\u662f\u4e00\u4e2a\u4e0eRS-232C\u4e0d\u540c\u7684\u7cfb\u7edf\u3002\u6807\u51c6RS-232C\u91c7\u7528\u8d1f\u903b\u8f91\uff0c\u5373\u903b\u8f91\u201c1\u201d\u8868\u793a-5V\uff5e -15v\uff0c\u903b\u8f91\u201c0\u201d\u8868\u793a+5V\uff5e+15V\uff0c\u5229\u7528\u4f20\u8f93\u4fe1\u53f7\u7ebf\u548c\u4fe1\u53f7\u5730\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u8fdb\u884c\u4f20\u8f93\u3002\u800cEIA-422\u662f\u5229\u7528\u5bfc\u7ebf\u4e4b\u95f4\u7684\u4fe1\u53f7\u7535\u538b\u5dee\u6765\u4f20\u8f93\u4fe1\u53f7\u7684\uff0c\u5176\u6bcf\u4e2a\u901a\u9053\u8981\u7528\u4e24\u6761\u4fe1\u53f7\u7ebf\uff0c\u4e00\u6761\u662f\u903b\u8f91\u201c1\u201d\uff0c\uff5e\u6761\u662f\u903b\u8f91\u201c0\u201d\uff0c\u901a\u8fc7\u4f20\u8f93\u7ebf\u9a71\u52a8\u5668\u548c\u4f20\u8f93\u7ebf\u63a5\u6536\u5668\u5b9e\u73b0\u903b\u8f91\u7535\u5e73\u548c\u7535\u4f4d\u5dee\u4e4b\u95f4\u7684\u8f6c\u6362\uff0c\u4e00\u822c\u5141\u8bb8\u9a71\u52a8\u5668\u8f93\u51fa\u4e3a\u00b12V\uff5e \u00b16V \u3002<\/p>\n
\u867d\u7136\u5b58\u5728\u533a\u522b\uff0c\u4f46\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u5982\u679c\u53ea\u662f\u63a5\u6536GPS\u7684\u8f93\u51fa\uff0e\u5219\u53ea\u9700\u4e24\u6839\u4fe1\u53f7\u7ebf GPS\u6570\u636e\u8f93\u51fa\u7ebf\u548c\u4fe1\u53f7\u5730\u7ebf\uff0c\u53ef\u4ee5\u76f4\u63a5\u5c06EIA-422\u8f93\u51fa\u901a\u9053\u4e24\u6761\u4fe1\u53f7\u7ebf\u7684\u4e2d\u4e00\u6761\u540c\u8ba1\u7b97\u673a\u7684Rs232C\u8f93\u5165\u7ebf\u76f8\u8fde\uff08\u8fd9\u4e2a\u65b9\u6cd5\u6211\u5e76\u6ca1\u6709\u8bd5\u9a8c\u8fc7\uff0c\u662f\u4ece\u522b\u7684\u5730\u65b9\u542c\u6765\u7684\uff0c\u6709\u5174\u8da3\u6709\u6761\u4ef6\u7684\u5144\u5f1f\u53ef\u4ee5\u52a8\u624b\u5b9e\u9a8c\u4e00\u4e0b\uff0c\u4e0d\u8fc7\u540e\u679c\u81ea\u8d1f\u54e6\uff01\u5475\u5475\uff09\u3002<\/p>\n
NMEA\u901a\u8baf\u534f\u8bae\u6240\u5b9a\u4e49\u7684\u6807\u51c6\u901a\u8baf\u63a5\u53e3\u53c2\u6570\u4e3a\uff1a
\n\u6ce2\u7279\u7387\uff1a4800bit\/s\uff1b
\n\u6570\u636e\u4f4d\uff1a8\u4f4d\uff1b
\n\u505c\u6b62\u4f4d\uff1a1\u4f4d\uff1b
\n\u5947\u5076\u6821\u9a8c\uff1a\u65e0\uff1b<\/p>\n
NMEA-OI83\u8bed\u53e5\u89e3\u6790<\/p>\n
NMEA\u901a\u8baf\u534f\u8bae\u6240\u89c4\u5b9a\u7684\u901a\u8baf\u8bed\u53e5\u90fd\u5df2\u662f\u4ee5ASCII\u7801\u4e3a\u57fa\u7840\u7684\uff0cNMEA-0183\u534f\u8bae\u8bed\u53e5\u7684\u6570\u636e\u683c\u5f0f\u5982\u4e0b\uff1a\u201c$\u201d\u4e3a\u8bed\u53e5\u8d77\u59cb\u6807\u5fd7\uff1b\u201c\uff0c\u201d\u4e3a\u57df\u5206\u9694\u7b26\uff1b\u201c *\u201d\u4e3a\u6821\u9a8c\u548c\u8bc6\u522b\u7b26\uff0c\u5176\u540e\u9762\u7684\u4e24\u4f4d\u6570\u4e3a\u6821\u9a8c\u548c\uff0c\u4ee3\u8868\u4e86\u201c$\u201d\u548c\u201c*\u201d\u4e4b\u95f4\u6240\u6709\u5b57\u7b26\u7684\u6309\u4f4d\u5f02\u6216\u503c\uff08\u4e0d\u5305\u62ec\u8fd9\u4e24\u4e2a\u5b57\u7b26\uff09\uff1b\u201c\uff0f\u201d\u4e3a\u7ec8\u6b62\u7b26\uff0c\u6240\u6709\u7684\u8bed\u53e5\u5fc5\u987b\u4ee5\u6765\u7ed3\u675f\uff0c\u4e5f\u5c31\u662fASCII \u5b57\u7b26\u7684\u201c\u56de\u8f66\u201d\uff08\u5341\u516d\u8fdb\u5236\u76840D\uff09\u548c\u201c\u6362\u884c\u201d\uff08\u5341\u516d\u8fdb\u5236\u76840A\uff09\u3002<\/p>\n
\u5178\u578b\u7684NMEA0183\u8bed\u53e5\u5982\u4e0b\u9762\u7684GPGGA\u8bed\u53e5\u3002<\/p>\n
\u5f53GPS\u6b63\u5e38\u5de5\u4f5c\u65f6\uff0c\u8bed\u53e5\u5982\uff1a
\n$GPGGA,053152,3957.7484,N,11626.7626,E,1,06,1.5,88.1,M,-8.0,M,,*64
\n\u5f53GPS\u6536\u4e0d\u5230\u536b\u661f\u4fe1\u53f7\u65f6\uff0cGPGGA\u8bed\u53e5\u8f93\u51fa\u53d8\u4e3a\uff1a
\n$GPGGA,053247,3957.7484,N,11626.7626,E,0,00,,,M,,M,,*46
\n\u9664\u6807\u51c6\u8bed\u53e5\u5916\uff0cNMEAO183\u89c4\u8303\u8fd8\u5141\u8bb8\u4e2a\u522b\u5382\u5546\u5b9a\u4e49\u79c1\u6709\u7684\u8bed\u53e5\u683c\u5f0f\uff0c\u8fd9\u4e9b\u8bed\u53e5\u4ee5\u201c$P\u201d\u5f00\u59cb\uff0c\u7136\u540e\u662f\u4e09\u4e2a\u5b57\u7b26\u957f\u5ea6\u7684\u5382\u5546\u8bc6\u522b\u53f7\uff0c\u8ddf\u7740\u662f\u5382\u5546\u5b9a\u4e49\u7684\u6570\u636e\uff0c\u63a5\u4e0b\u6765\u7684\u6570\u636e\u683c\u5f0f\u4e0e\u6807\u51c6\u683c\u5f0f\u76f8\u540c\u3002
\n\u5982Garmin\u7684PGRME\u79c1\u6709\u683c\u5f0f\u5982\u4e0b\uff1a
\n$PGRME,8.9,M,6.1,M,10.8,M*11
\n\u5176\u4e2d\uff0c\u201cP\u201d\u4ee3\u8868\u79c1\u6709\u683c\u5f0f\uff0c\u201cGRM\u201d\u662fGarmin\u7684\u4ee3\u7801\uff0c\u201cE\u201d\u8868\u793a\u8bed\u53e5\u7c7b\u578b\u3002<\/p>\n
NMEA\u6570\u636e\u5904\u7406\u4e2d\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n
\u5982\u679c\u5f00\u53d1\u57fa\u4e8eGPS\u7684\u5e94\u7528\u7cfb\u7edf\uff0c\u5c31\u9700\u8981\u5c06GPS\u4f5c\u4e3a\u4fe1\u606f\u6e90\uff0c\u6b63\u786e\u63a5\u6536\u548c\u89e3\u6790GPS\u53d1\u9001\u7684NMEA\u4e000183\u6570\u636e\u3002\u6b64\u65f6\uff0c\u5728\u7f16\u7a0b\u5b9e\u73b0\u65f6\u9700\u8981\u6ce8\u610f\u51e0\u4e2a\u95ee\u9898\u3002<\/p>\n
1\u3001\u901a\u8baf\u7aef\u53e3\u7684\u8bbe\u7f6e
\n\u867d\u7136NMEA\u89c4\u8303\u63a8\u8350\u7684\u4e32\u884c\u901a\u8baf\u53c2\u6570\u4e3a\u201c\u6ce2\u7279\u7387\uff1a4800\uff1b\u5947\u5076\u6821\u9a8c\uff1a\u65e0\uff1b\u6570\u636e\u4f4d\uff1a8\uff1b\u505c\u6b62\u4f4d\uff1a1\u201d\uff0c\u4f46\u4e5f\u6709\u5382\u5546\u7684\u4ea7\u54c1\u5141\u8bb8\u7528\u6237\u5c06\u6ce2\u7279\u7387\u8bbe\u7f6e\u7684\u66f4\u9ad8\uff0c\u6b64\u65f6\u9700\u8981\u6ce8\u610f\u8bbe\u7f6e\u8ba1\u7b97\u673a\u7684\u63a5\u53e3\u53c2\u6570\u4e0eGPS\u8bbe\u5907\u4e00\u81f4\u3002<\/p>\n
2\u3001 \u6240\u9700\u4fe1\u606f\u7684\u6b63\u786e\u63d0\u53d6
\nNMEA\u2014O183\u662f\u4ee5\u8bed\u53e5\u5f62\u5f0f\u53d1\u9001\u6570\u636e\u7684\uff0c\u63a5\u6536\u673a\u53ef\u80fd\u53d1\u9001\u5f88\u591a\u7c7b\u578b\u7684\u8bed\u53e5\uff0c\u800c\u6211\u4eec\u9700\u8981\u7684\u53ef\u80fd\u53ea\u662f\u67d0\u4e9b\u8bed\u53e5\u4e2d\u7684\u51e0\u4e2a\u5b57\u6bb5\u3002\u56e0\u6b64\u5c31\u9700\u8981\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u89e3\u6790\uff0c\u53d6\u5f97\u6240\u9700\u7684\u4fe1\u606f\u3002\u53e6\u5916\uff0c\u53ef\u80fd\u4f1a\u7531\u4e8e\u5c0f\u6570\u70b9\u4f4d\u6570\u4e0d\u540c\u7b49\u539f\u56e0\uff0c\u8bed\u53e5\u7684\u957f\u5ea6\u662f\u53ef\u53d8\u7684\uff0c\u56e0\u800c\u5206\u79bb\u611f\u5174\u8da3\u7684\u4fe1\u606f\u65f6\uff0c\u4e0d\u80fd\u6309\u7167\u8be5\u4fe1\u606f\u5728\u8bed\u53e5\u4e2d\u6240\u5904\u7684\u5b57\u7b26\u4f4d\u7f6e\u6765\u67e5\u627e\uff0c\u53ea\u80fd\u4f9d\u636e\u9017\u53f7\u5206\u9694\u7b26\uff0c\u8fd9\u4e00\u70b9\u5728\u6570\u636e\u63d0\u53d6\u7684\u8fc7\u7a0b\u4e2d\u975e\u5e38\u91cd\u8981\u3002\u7b14\u8005\u5c31\u7ecf\u5e38\u9047\u5230\u4e00\u4e9b\u5e94\u7528\u8f6f\u4ef6\u5de5\u7a0b\u5e08\uff0c\u5728\u63d0\u53d6NMEA\u8bed\u53e5\u4e2d\u7684\u4fe1\u606f\u7684\u65f6\u5019\u6309\u7167\u5b57\u7b26\u7684\u957f\u5ea6\u63d0\u53d6\uff0c\u8fd9\u6837\u7f16\u51fa\u6765\u7684\u7a0b\u5e8f\uff0c\u901a\u7528\u6027\u5dee\uff0c\u800c\u4e14\u7ecf\u5e38\u4f1a\u51fa\u73b0\u4fe1\u606f\u63d0\u53d6\u9519\u8bef\u7684\u95ee\u9898\u3002<\/p>\n
\u4ee5\u4e0a\u90fd\u662f\u6211\u4eec\u5728\u7a0b\u5e8f\u4e2d\u9700\u8981\u6ce8\u610f\u7684\u95ee\u9898\u3002\u4e3a\u89e3\u51b3\u4fe1\u606f\u7684\u6b63\u786e\u63d0\u53d6\u95ee\u9898\uff0c\u5e76\u63d0\u9ad8\u7a0b\u5e8f\u7684\u590d\u7528\u6027\uff0c\u53ef\u4ee5\u7f16\u5199\u9002\u5f53\u7684\u51fd\u6570\uff0c\u5982\u4e00\u4e2a\u51fd\u6570\u7528\u6765\u5206\u79bb\u8bed\u53e5\uff08\u5373\u901a\u8fc7$\u5b57\u7b26\u5224\u65ad\u8bed\u53e5\u5934\uff0c\u4e00\u76f4\u5230\u6362\u884c\u56de\u8f66\u7ed3\u675f\u4e00\u6761\u8bed\u53e5\uff09\uff1b\u4e00\u4e2a\u51fd\u6570\u7528\u6765\u5224\u65ad\u8bed\u53e5\u4e2d\u7684\u5b57\u6bb5\u6570\uff08\u901a\u8fc7\u201c\uff0c\u201d\u5206\u9694\u7b26\u6765\u63d0\u53d6\u8bed\u53e5\u5b57\u6bb5\uff09\uff0c\u8fd8\u6709\u4e00\u4e2a\u51fd\u6570\u7528\u6765\u8fd4\u56de\u8bed\u53e5\u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u5185\u5bb9\u3002\u6709\u4e86\u8fd9\u4e09\u4e2a\u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u65b9\u4fbf\u7684\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\uff0c\u6b64\u65f6\u7684\u5de5\u4f5c\u53ea\u662f\u7b80\u5355\u5b57\u7b26\u4e32\u6bd4\u8f83\u548c\u663e\u793a\u683c\u5f0f\u7684\u53d8\u6362
\n\u68c0\u9a8c\u548c\u7684\u8ba1\u7b97\u4e0e\u6bd4\u8f83<\/p>\n
\u6700\u540e\uff0c\u4e3a\u4e86\u786e\u4fdd\u6240\u91c7\u96c6\u7684GPS\u6570\u636e\u7684\u53ef\u9760\u6027\uff0c\u5fc5\u987b\u8fdb\u884c\u68c0\u9a8c\u548c\u7684\u8ba1\u7b97\u4e0e\u6bd4\u8f83\u3002\u68c0\u9a8c\u548chh\u4e3a\u201c$\u201d\u4e0e\u201c*\u201d\u4e4b\u95f4\u7684\u6240\u6709\u5b57\u7b26\u6309\u4f4d\u5f02\u6216\u7684\u7ed3\u679c\uff0c\u5e76\u5c06\u5176\u9ad84\u4f4d\u548c\u4f4e4\u4f4d\u5404\u7528\u4e00\u4e2a\u5341\u516d\u8fdb\u5236\u6570(\u5b57\u6bcd\u5927\u5199)\u8868\u793a\u51fa\u6765\u3002\u4e3a\u6b64\uff0c\u9700\u7f16\u5199\u51fd\u6570\uff0c\u4ece\u8bed\u53e5\u5934\u8bc6\u522b\u7b26\u201c*\u201d\u5f00\u59cb\uff0c\u8ba1\u7b97\u68c0\u9a8c\u548c\uff0c\u76f4\u81f3\u201c*\u201d\u5230\u8fbe\u4e3a\u6b62\uff0c\u8fd9\u65f6\u201c*\u201d\u53f7\u540e\u9762\u7684\u4e24\u4e2a\u5b57\u7b26\u5c31\u662f\u68c0\u9a8c\u7801\uff0c\u5c06\u81ea\u5df1\u7684\u8ba1\u7b97\u7ed3\u679c\u540c\u8fd9\u4e24\u4e2a\u68c0\u9a8c\u7801\u5b57\u7b26\u6bd4\u8f83\uff0c\u82e5\u4e0d\u540c\uff0c\u6309\u51fa\u9519\u5904\u7406\uff0c\u5e76\u7ee7\u7eed\u8fd0\u884c\uff1b\u82e5\u76f8\u540c\uff0c\u5219\u8bf4\u660e\u901a\u8baf\u6210\u529f\uff0c\u6570\u636e\u63a5\u6536\u6b63\u786e\uff0c\u53ef\u4ee5\u5904\u7406\u8be5\u8bed\u53e5\uff0c\u63d0\u53d6\u6240\u9700\u6570\u636e\u3002<\/p>\n
Dos\u548cwindows\u91c7\u7528\u56de\u8f66+\u6362\u884cCR\/LF\u8868\u793a\u4e0b\u4e00\u884c,\u800cUNIX\/Linux\u91c7\u7528\u6362\u884c\u7b26LF\u8868\u793a\u4e0b\u4e00\u884c\uff0c\u82f9\u679c\u673a(MAC OS\u7cfb\u7edf)\u5219\u91c7\u7528\u56de\u8f66\u7b26CR\u8868\u793a\u4e0b\u4e00\u884c.CR\u7528\u7b26\u53f7\u2019\\r\u2019\u8868\u793a, \u5341\u8fdb\u5236ASCII\u4ee3\u7801\u662f13, \u5341\u516d\u8fdb\u5236\u4ee3\u7801\u4e3a0\u00d70D;LF\u4f7f\u7528\u2019\\n\u2019\u7b26\u53f7\u8868\u793a, ASCII\u4ee3\u7801\u662f10, \u5341\u516d\u5236\u4e3a0\u00d70A.\u6240\u4ee5Windows\u5e73\u53f0\u4e0a\u6362\u884c\u5728\u6587\u672c\u6587\u4ef6\u4e2d\u662f\u4f7f\u7528 0d 0a \u4e24\u4e2a\u5b57\u8282\u8868\u793a, \u800cUNIX\u548c\u82f9\u679c\u5e73\u53f0\u4e0a\u6362\u884c\u5219\u662f\u4f7f\u75280a\u62160d\u4e00\u4e2a\u5b57\u8282\u8868\u793a<\/p>\n
\u8bf4 \u660e\uff1aNMEA0183\u683c\u5f0f\u4ee5\u201c$\u201d\u5f00\u59cb\uff0c\u4e3b\u8981\u8bed\u53e5\u6709GPGGA\uff0cGPVTG\uff0cGPRMC\u7b49<\/p>\n
1\u3001 GPS DOP and Active Satellites\uff08GSA\uff09\u5f53\u524d\u536b\u661f\u4fe1\u606f<\/p>\n
$GPGSA,<1>,<2>,<3>,<3>,,,,,<3>,<3>,<3>,<4>,<5>,<6>,<7><CR><LF><\/p>\n
<1>\u6a21\u5f0f \uff1aM = \u624b\u52a8\uff0c A = \u81ea\u52a8\u3002
\n<2>\u5b9a\u4f4d\u578b\u5f0f 1 = \u672a\u5b9a\u4f4d\uff0c 2 = \u4e8c\u7ef4\u5b9a\u4f4d\uff0c 3 = \u4e09\u7ef4\u5b9a\u4f4d\u3002
\n<3>PRN \u6570\u5b57\uff1a01 \u81f3 32 \u8868\u5929\u7a7a\u4f7f\u7528\u4e2d\u7684\u536b\u661f\u7f16\u53f7\uff0c\u6700\u591a\u53ef\u63a5\u653612\u9897\u536b\u661f\u4fe1\u606f\u3002
\n<4> PDOP\u4f4d\u7f6e\u7cbe\u5ea6\u56e0\u5b50\uff080.5~99.9\uff09
\n<5> HDOP\u6c34\u5e73\u7cbe\u5ea6\u56e0\u5b50\uff080.5~99.9\uff09
\n<6> VDOP\u5782\u76f4\u7cbe\u5ea6\u56e0\u5b50\uff080.5~99.9\uff09
\n<7> Checksum.(\u68c0\u67e5\u4f4d).<\/p>\n
2\u3001 GPS Satellites in View\uff08GSV\uff09\u53ef\u89c1\u536b\u661f\u4fe1\u606f<\/p>\n
$GPGSV, <1>,<2>,<3>,<4>,<5>,<6>,<7>,?<4>,<5>,<6>,<7>,<8><CR><LF><\/p>\n
<1> GSV\u8bed\u53e5\u7684\u603b\u6570
\n<2> \u672c\u53e5GSV\u7684\u7f16\u53f7
\n<3> \u53ef\u89c1\u536b\u661f\u7684\u603b\u6570\uff0c00 \u81f3 12\u3002
\n<4> \u536b\u661f\u7f16\u53f7\uff0c 01 \u81f3 32\u3002
\n<5>\u536b\u661f\u4ef0\u89d2\uff0c 00 \u81f3 90 \u5ea6\u3002
\n<6>\u536b\u661f\u65b9\u4f4d\u89d2\uff0c 000 \u81f3 359 \u5ea6\u3002\u5b9e\u9645\u503c\u3002
\n<7>\u8baf\u53f7\u566a\u58f0\u6bd4\uff08C\/No\uff09\uff0c 00 \u81f3 99 dB\uff1b\u65e0\u8868\u672a\u63a5\u6536\u5230\u8baf\u53f7\u3002
\n<8>Checksum.(\u68c0\u67e5\u4f4d).
\n\u7b2c<4>,<5>,<6>,<7>\u9879\u4e2a\u522b\u536b\u661f\u4f1a\u91cd\u590d\u51fa\u73b0\uff0c\u6bcf\u884c\u6700\u591a\u6709\u56db\u9897\u536b\u661f\u3002\u5176\u4f59\u536b\u661f\u4fe1\u606f\u4f1a\u4e8e\u6b21\u4e00\u884c\u51fa\u73b0\uff0c\u82e5\u672a\u4f7f\u7528\uff0c\u8fd9\u4e9b\u5b57\u6bb5\u4f1a\u7a7a\u767d\u3002<\/p>\n
3\u3001Global Positioning System Fix Data\uff08GGA\uff09GPS\u5b9a\u4f4d\u4fe1\u606f<\/p>\n
$GPGGA,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,M,<10>,M,<11>,<12>*hh<CR><LF><\/p>\n
<1> UTC\u65f6\u95f4\uff0chhmmss\uff08\u65f6\u5206\u79d2\uff09\u683c\u5f0f
\n<2> \u7eac\u5ea6ddmm.mmmm\uff08\u5ea6\u5206\uff09\u683c\u5f0f\uff08\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<3> \u7eac\u5ea6\u534a\u7403N\uff08\u5317\u534a\u7403\uff09\u6216S\uff08\u5357\u534a\u7403\uff09
\n<4> \u7ecf\u5ea6dddmm.mmmm\uff08\u5ea6\u5206\uff09\u683c\u5f0f\uff08\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<5> \u7ecf\u5ea6\u534a\u7403E\uff08\u4e1c\u7ecf\uff09\u6216W\uff08\u897f\u7ecf\uff09
\n<6> GPS\u72b6\u6001\uff1a0=\u672a\u5b9a\u4f4d\uff0c1=\u975e\u5dee\u5206\u5b9a\u4f4d\uff0c2=\u5dee\u5206\u5b9a\u4f4d\uff0c6=\u6b63\u5728\u4f30\u7b97
\n<7> \u6b63\u5728\u4f7f\u7528\u89e3\u7b97\u4f4d\u7f6e\u7684\u536b\u661f\u6570\u91cf\uff0800~12\uff09\uff08\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<8> HDOP\u6c34\u5e73\u7cbe\u5ea6\u56e0\u5b50\uff080.5~99.9\uff09
\n<9> \u6d77\u62d4\u9ad8\u5ea6\uff08-9999.9~99999.9\uff09
\n<10> \u5730\u7403\u692d\u7403\u9762\u76f8\u5bf9\u5927\u5730\u6c34\u51c6\u9762\u7684\u9ad8\u5ea6
\n<11> \u5dee\u5206\u65f6\u95f4\uff08\u4ece\u6700\u8fd1\u4e00\u6b21\u63a5\u6536\u5230\u5dee\u5206\u4fe1\u53f7\u5f00\u59cb\u7684\u79d2\u6570\uff0c\u5982\u679c\u4e0d\u662f\u5dee\u5206\u5b9a\u4f4d\u5c06\u4e3a\u7a7a\uff09
\n<12> \u5dee\u5206\u7ad9ID\u53f70000~1023\uff08\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff0c\u5982\u679c\u4e0d\u662f\u5dee\u5206\u5b9a\u4f4d\u5c06\u4e3a\u7a7a\uff09<\/p>\n
4\u3001Recommended Minimum Specific GPS\/TRANSIT Data\uff08RMC\uff09\u63a8\u8350\u5b9a\u4f4d\u4fe1\u606f<\/p>\n
$GPRMC,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>*hh<CR><LF>
\n<1> UTC\u65f6\u95f4\uff0chhmmss\uff08\u65f6\u5206\u79d2\uff09\u683c\u5f0f
\n<2> \u5b9a\u4f4d\u72b6\u6001\uff0cA=\u6709\u6548\u5b9a\u4f4d\uff0cV=\u65e0\u6548\u5b9a\u4f4d
\n<3> \u7eac\u5ea6ddmm.mmmm\uff08\u5ea6\u5206\uff09\u683c\u5f0f\uff08\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<4> \u7eac\u5ea6\u534a\u7403N\uff08\u5317\u534a\u7403\uff09\u6216S\uff08\u5357\u534a\u7403\uff09
\n<5> \u7ecf\u5ea6dddmm.mmmm\uff08\u5ea6\u5206\uff09\u683c\u5f0f\uff08\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<6> \u7ecf\u5ea6\u534a\u7403E\uff08\u4e1c\u7ecf\uff09\u6216W\uff08\u897f\u7ecf\uff09
\n<7> \u5730\u9762\u901f\u7387\uff08000.0~999.9\u8282\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<8> \u5730\u9762\u822a\u5411\uff08000.0~359.9\u5ea6\uff0c\u4ee5\u771f\u5317\u4e3a\u53c2\u8003\u57fa\u51c6\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<9> UTC\u65e5\u671f\uff0cddmmyy\uff08\u65e5\u6708\u5e74\uff09\u683c\u5f0f
\n<10> \u78c1\u504f\u89d2\uff08000.0~180.0\u5ea6\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<11> \u78c1\u504f\u89d2\u65b9\u5411\uff0cE\uff08\u4e1c\uff09\u6216W\uff08\u897f\uff09
\n<12> \u6a21\u5f0f\u6307\u793a\uff08\u4ec5NMEA0183 3.00\u7248\u672c\u8f93\u51fa\uff0cA=\u81ea\u4e3b\u5b9a\u4f4d\uff0cD=\u5dee\u5206\uff0cE=\u4f30\u7b97\uff0cN=\u6570\u636e\u65e0\u6548\uff09<\/p>\n
5\u3001 Track Made Good and Ground Speed\uff08VTG\uff09\u5730\u9762\u901f\u5ea6\u4fe1\u606f<\/p>\n
$GPVTG,<1>,T,<2>,M,<3>,N,<4>,K,<5>*hh<CR><LF><\/p>\n
<1> \u4ee5\u771f\u5317\u4e3a\u53c2\u8003\u57fa\u51c6\u7684\u5730\u9762\u822a\u5411\uff08000~359\u5ea6\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<2> \u4ee5\u78c1\u5317\u4e3a\u53c2\u8003\u57fa\u51c6\u7684\u5730\u9762\u822a\u5411\uff08000~359\u5ea6\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<3> \u5730\u9762\u901f\u7387\uff08000.0~999.9\u8282\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<4> \u5730\u9762\u901f\u7387\uff080000.0~1851.8\u516c\u91cc\/\u5c0f\u65f6\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09
\n<5> \u6a21\u5f0f\u6307\u793a\uff08\u4ec5NMEA0183 3.00\u7248\u672c\u8f93\u51fa\uff0cA=\u81ea\u4e3b\u5b9a\u4f4d\uff0cD=\u5dee\u5206\uff0cE=\u4f30\u7b97\uff0cN=\u6570\u636e\u65e0\u6548\uff09<\/p>\n
GPS NMEA-0183\u6807\u51c6\u6570\u636e\u4ecb\u7ecd<\/p>\n
GPS\u6570\u636e\u9075\u5faaNMEA-0183\u534f\u8bae\uff0c\u8be5\u6570\u636e\u6807\u51c6\u662f\u7531NMEA\uff08National Marine Electronics Association\uff0c\u7f8e\u56fd\u56fd\u5bb6\u6d77\u4e8b\u7535\u5b50\u534f\u4f1a\uff09\u4e8e1983\u5e74\u5236\u5b9a\u7684\u3002\u7edf\u4e00\u6807\u51c6\u683c\u5f0fNMEA-0183\u8f93\u51fa\u91c7\u7528ASCII \u7801\uff0c\u5176\u4e32\u884c\u901a\u4fe1\u7684\u53c2\u6570\u4e3a\uff1a\u6ce2\u7279\u7387\uff1d4800bps\uff0c\u6570\u636e\u4f4d\uff1d8bit\uff0c\u5f00\u59cb\u4f4d=1bit\uff0c\u505c\u6b62\u4f4d\uff1d1bit\uff0c\u65e0\u5947\u5076\u6821\u9a8c\u3002<\/p>\n
\u6570\u636e\u4f20\u8f93\u4ee5\u201c\u8bed\u53e5\u201d\u7684\u65b9\u5f0f\u8fdb\u884c\uff0c\u6bcf\u4e2a\u8bed\u53e5\u5747\u4ee5\u201c$\u201d\u5f00\u5934\uff0c\u7136\u540e\u662f\u4e24\u4e2a\u5b57\u6bcd\u7684\u201c\u8bc6\u522b\u7b26\u201d\u548c\u4e09\u4e2a\u5b57\u6bcd\u7684\u201c\u8bed\u53e5\u540d\u201d\uff0c\u63a5\u7740\u5c31\u662f\u4ee5\u9017\u53f7\u5206\u5272\u7684\u6570\u636e\u4f53\uff0c\u8bed\u53e5\u672b\u5c3e\u4e3a\u6821\u9a8c\u548c\uff0c\u6574\u6761\u8bed\u53e5\u4ee5\u56de\u8f66\u6362\u884c\u7b26\u7ed3\u675f\u3002
\nNMEA-0183\u7684\u6570\u636e\u4fe1\u606f\u6709\u5341\u51e0\u79cd\uff0c\u8fd9\u4e9b\u4fe1\u606f\u7684\u4f5c\u7528\u5206\u522b\u662f\uff1a$GPGGA\uff1a\u8f93\u51faGPS\u7684\u5b9a\u4f4d\u4fe1\u606f\uff1b$GPGLL\uff1a\u8f93\u51fa\u5927\u5730\u5750\u6807\u4fe1\u606f\uff1b$GPZDA\uff1a\u8f93\u51faUTC\u65f6\u95f4\u4fe1\u606f\uff1b$GPGSV\uff1a\u8f93\u51fa\u53ef\u89c1\u7684\u536b\u661f\u4fe1\u606f\uff1b$GPGST\uff1a\u8f93\u51fa\u5b9a\u4f4d\u6807\u51c6\u5dee\u4fe1\u606f\uff1b$GPGSA\uff1a\u8f93\u51fa\u536b\u661fDOP\u503c\u4fe1\u606f\uff1b$GPALM\uff1a\u8f93\u51fa\u536b\u661f\u661f\u5386\u4fe1\u606f\uff1b$GPRMC\uff1a\u8f93\u51faGPS\u63a8\u8350\u7684\u6700\u77ed\u6570\u636e\u4fe1\u606f\u7b49\u3002
\n\u5206\u522b\u4ecb\u7ecd\u5982\u4e0b\uff1a<\/p>\n
1 GPRMC\u8bed\u53e5\uff08Recommended Minimum Specific GPS\/TRANSIT Data\uff0dRMC\uff0c\u63a8\u8350\u5b9a\u4f4d\u4fe1\u606f1\u6b21\/1\u79d2\uff09
\n\u5bf9\u4e8e\u4e00\u822c\u7684GPS\u52a8\u6001\u5b9a\u4f4d\u5e94\u7528\uff0cGPRMC\u8bed\u53e5\u5b8c\u5168\u6ee1\u8db3\u8981\u6c42\u3002\u8be5\u8bed\u53e5\u4e2d\u5305\u62ec\u7ecf\u7eac\u5ea6\u3001\u901f\u5ea6\u3001\u65f6\u95f4\u548c\u78c1\u504f\u89d2\u7b49\u5b57\u6bb5\uff0c\u8fd9\u4e9b\u6570\u636e\u4e3a\u5bfc\u822a\u5b9a\u4f4d\u5e94\u7528\u63d0\u4f9b\u4e86\u5145\u5206\u7684\u4fe1\u606f\u3002\u4e0b\u8868\u8be6\u7ec6\u8bf4\u660eGPRMC\u8bed\u53e5\u4e2d\u7684\u5404\u4e2a\u5b57\u6bb5\uff1a
\n$GPRMC\uff0c<1>\uff0c<2>\uff0c<3>\uff0c<4>\uff0c<5>\uff0c<6>\uff0c<7>\uff0c<8>\uff0c<9>\uff0c<10>\uff0c<ll>\uff0c<12>
\n\u5b57\u6bb5 $GPRMC\u8bed\u53e5\u610f\u4e49\u2014\u2014\u53d6\u503c\u8303\u56f4
\n<1> UTC\u65f6\u95f4\uff1ahhmmss.ss\u2014\u2014000000.00~235959.99
\n<2> \u72b6\u6001\uff0c\u6709\u6548\u6027 \u2014\u2014A\u8868\u793a\u6709\u6548\uff1bV\u8868\u793a\u65e0\u6548
\n<3> \u7eac\u5ea6\u683c\u5f0f\uff1addmm.mmmm\u2014\u20140000\uff0e00000~8959.9999
\n<4> \u5357\u5317\u534a\u7403\u2014\u2014N\u5317\u7eac\uff1bS\u5357\u7eac
\n<5> \u7ecf\u5ea6\u683c\u5f0f\uff1adddmm.mmmm\u2014\u201400000.0000~17959.9999
\n<6> \u4e1c\u897f\u534a\u7403\u2014\u2014E\u8868\u793a\u4e1c\u7ecf\uff1bW\u8868\u793a\u897f\u7ecf
\n<7> \u5730\u9762\u901f\u5ea6\u2014\u2014000.00~999.999
\n<8> \u901f\u5ea6\u65b9\u5411\u2014\u2014000.00~359.99
\n<9> \u65e5\u671f\u683c\u5f0f\uff0c\u6708\u65e5\u5e74\u2014\u2014010100~123199
\n<10> \u78c1\u504f\u89d2\uff0c\u5355\u4f4d\uff1a\u5ea6\u2014\u201400.00~99.99
\n<ll> \u78c1\u504f\u89d2\u65b9\u5411\u2014\u2014E\u8868\u793a\u4e1c\uff1bW\u8868\u793a\u897f
\n<12> \u6a21\u5f0f\u6307\u793a\u53ca\u6821\u9a8c\u548c\u2014\u2014 A=\u81ea\u4e3b\u5b9a\u4f4d\uff0cD=\u5dee\u5206\uff0cE=\u4f30\u7b97\uff0cN=\u6570\u636e\u65e0\u6548
\n\u4f8b\u5982\uff1a$GPRMC,074529.82,A,2429.6717,N,11804.6973,E,12.623,32.122,010806,,W,A*08<\/p>\n
2 GPGGA\u8bed\u53e5\uff08Global Positioning System Fix Data\uff0dGGA\uff0cGPS\u5b9a\u4f4d\u4fe1\u606f, \u8f93\u51fa1\u6b21\/1\u79d2\uff09
\nGPS\u5b9a\u4f4d\u4e3b\u8981\u6570\u636e\uff0c\u8be5\u8bed\u53e5\u4e2d\u5305\u62ec\u7ecf\u7eac\u5ea6\u3001\u8d28\u91cf\u56e0\u5b50\u3001HDOP\u3001\u9ad8\u7a0b\u3001\u57fa\u51c6\u7ad9\u53f7\u7b49\u5b57\u6bb5\u3002\u4e0b\u8868\u8be6\u7ec6\u8bf4\u660eGPGGA\u8bed\u53e5\u4e2d\u7684\u5404\u4e2a\u5b57\u6bb5\uff1a
\n$GPGGA\uff0c<1>\uff0c<2>\uff0c<3>\uff0c<4>\uff0c<5>\uff0c<6>\uff0c<7>\uff0c<8>\uff0c<9>\uff0c<10>\uff0c<ll>\uff0c<12>,<l3>\uff0c<14>
\n\u5b57\u6bb5 $GPGGA\u8bed\u53e5\u610f\u4e49\u2014\u2014\u53d6\u503c\u8303\u56f4
\n<1> UTC\u65f6\u95f4\uff1ahhmmss.ss\u2014\u2014000000.00~235959.99
\n<2> \u7eac\u5ea6\uff0c\u683c\u5f0f\uff1addmm.mmmm \u2014\u20140000\uff0e00000~8959.9999
\n<3> \u5357\u5317\u534a\u7403\u2014\u2014N\u5317\u7eac\uff1bS\u5357\u7eac
\n<4> \u7ecf\u5ea6\u683c\u5f0f\uff1adddmm.mmmm \u2014\u201400000.0000~17959.9999
\n<5> \u4e1c\u897f\u534a\u7403\u2014\u2014E\u8868\u793a\u4e1c\u7ecf\uff1bW\u8868\u793a\u897f\u7ecf
\n<6> \u8d28\u91cf\u56e0\u5b50\u2014\u20140=\u672a\u5b9a\u4f4d\uff0c1=GPS\u5355\u70b9\u5b9a\u4f4d\u56fa\u5b9a\u89e3\uff0c2=\u5dee\u5206\u5b9a\u4f4d\uff0c3=PPS\u89e3\uff1b4=RTK\u56fa\u5b9a\u89e3\uff1b5=RTK\u6d6e\u70b9\u89e3\uff1b6=\u4f30\u8ba1\u503c\uff1b7=\u624b\u5de5\u8f93\u5165\u6a21\u5f0f\uff1b8=\u6a21\u62df\u6a21\u5f0f\uff1b
\n<7> \u5e94\u7528\u89e3\u7b97\u4f4d\u7f6e\u7684\u536b\u661f\u6570\u2014\u201400~12
\n<8> HDOP\uff0c\u6c34\u5e73\u56fe\u5f62\u5f3a\u5ea6\u56e0\u5b50\u2014\u20140.500~99.000 \uff1b\u5927\u4e8e6\u4e0d\u53ef\u7528
\n<9> \u5929\u7ebf\u9ad8\u7a0b\uff08\u6d77\u5e73\u9762\uff09\u2014\u2014\uff0d9999.9\uff5e99999.9
\n<10> \u7ebf\u7ebf\u9ad8\u7a0b\u5355\u4f4d(m) \u2014\u2014m
\n<ll> \u5927\u5730\u6c34\u51c6\u9762\u8d77\u4f0f\u2014\u2014\u5730\u7403\u692d\u7403\u9762\u76f8\u5bf9\u5927\u5730\u6c34\u51c6\u9762\u7684\u9ad8\u5ea6
\n<12> \u5927\u5730\u6c34\u51c6\u9762\u8d77\u4f0f\u5355\u4f4d(m)\u00a0\u00a0 \u2014\u2014m
\n<13> \u5dee\u5206GPS\u6570\u636e\u671f\u2014\u2014\u5dee\u5206\u65f6\u95f4\uff08\u4ece\u6700\u8fd1\u4e00\u6b21\u63a5\u6536\u5230\u5dee\u5206\u4fe1\u53f7\u5f00\u59cb\u7684\u79d2\u6570\uff0c\u5982\u679c\u4e0d\u662f\u5dee\u5206\u5b9a\u4f4d\u5c06\u4e3a\u7a7a\uff09\uff0c\u4e0d\u4f7f\u7528DGPS\u65f6\u4e3a\u7a7a
\n<14> \u57fa\u51c6\u7ad9\u53f7\u2014\u20140000~1023\uff1b\u4e0d\u4f7f\u7528DGPS\u65f6\u4e3a\u7a7a
\n$GPGGA,074529.82,2429.6717,N,11804.6973,E,1,8,1.098,42.110,M,,M,,*76<\/p>\n
3 GPGSV\u8bed\u53e5\uff08GPS Satellites in View\uff0dGSV\uff0c\u53ef\u89c1\u536b\u661f\u4fe1\u606f\uff0c1\u6b21\/5\u79d2\uff09
\nGPS\u53ef\u89c1\u661f\u7684\u65b9\u4f4d\u89d2\u3001\u4fef\u4ef0\u89d2\u3001\u4fe1\u566a\u6bd4\u7b49\u6bcf\u6761\u8bed\u53e5\u6700\u591a\u5305\u62ec\u56db\u9897\u536b\u661f\u7684\u4fe1\u606f\uff0c\u6bcf\u9897\u536b\u661f\u7684\u4fe1\u606f\u6709\u56db\u4e2a\u6570\u636e\u9879\uff0c\u5373\uff1a(4)\uff0d\u536b\u661f\u53f7\uff0c(5)\uff0d\u4ef0\u89d2\uff0c(6)\uff0d\u65b9\u4f4d\u89d2\uff0c(7)\uff0d\u4fe1\u566a\u6bd4
\n$GPGSV,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>,<13>,<14>,<15>,<16>,<17>,<18>,<19>
\n\u5b57\u6bb5 $GPGSV\u8bed\u53e5\u610f\u4e49\u2014\u2014\u53d6\u503c\u8303\u56f4
\n<1> \u603b\u7684GSV\u8bed\u53e5\u7535\u6587\u6570\u2014\u20140~12
\n<2> \u5f53\u524dGSV\u8bed\u53e5\u53f7
\n<3> \u53ef\u89c6\u536b\u661f\u603b\u6570\u2014\u20140~32
\n<4> \u536b\u661f\u53f7\u2014\u20141~32
\n<5> \u4ef0\u89d2\u2014\u201400\uff5e90
\n<6> \u65b9\u4f4d\u89d2\u2014\u2014000\uff5e359
\n<7> \u4fe1\u566a\u6bd4\u2014\u201400\uff5e99dB\u65e0\u8868\u672a\u63a5\u6536\u5230\u8baf\u53f7
\n<8> \u536b\u661f\u53f7\u2014\u20141~32
\n<9> \u4ef0\u89d2\u2014\u201400\uff5e90
\n<10> \u65b9\u4f4d\u89d2\u2014\u2014000\uff5e359
\n<ll> \u4fe1\u566a\u6bd4\u2014\u201400\uff5e99dB\u65e0\u8868\u672a\u63a5\u6536\u5230\u8baf\u53f7
\n<12> \u536b\u661f\u53f7\u2014\u20141\uff5e32
\n<13> \u4ef0\u89d2\u2014\u201400\uff5e90
\n<14> \u65b9\u4f4d\u89d2\u2014\u2014000\uff5e359
\n<15> \u4fe1\u566a\u6bd4\u2014\u201400\uff5e99dB \u65e0\u8868\u793a\u672a\u63a5\u6536\u5230\u8baf\u53f7
\n<16> \u536b\u661f\u53f7\u2014\u20141\uff5e32
\n<17> \u4ef0\u89d2\u2014\u201400\uff5e90
\n<18> \u65b9\u4f4d\u89d2\u2014\u2014000\uff5e359
\n<19> \u6548\u9a8c\u548c\uff0c\u683c\u5f0f\uff1a*\u6548\u9a8c\u548c\u2014\u2014\u68c0\u67e5\u4f4d
\n$GPGSV,3,1,11,1,83,54,32,3,19,192,28,6,26,57,36,7,51,140,37*7D
\n$GPGSV,3,2,11,14,40,136,34,16,64,266,36,20,21,293,,22,2,168,*4C
\n$GPGSV,3,3,11,23,10,321,,25,53,7,40,30,2,46,*48<\/p>\n
4. $GPVTG\u8bed\u53e5(Track Made Good and Ground Speed\uff0dVTG\uff0c\u5730\u9762\u901f\u5ea6\u4fe1\u606f\uff09
\n\u683c\u5f0f\uff1a$GPVTG,<1>,T,<2>,M,<3>,N,<4>,K,<5>*hh
\n\u5b57\u6bb5 $GPVTG\u8bed\u53e5\u610f\u4e49\u2014\u2014\u53d6\u503c\u8303\u56f4
\n<1> \u4ee5\u771f\u5317\u4e3a\u53c2\u8003\u57fa\u51c6\u7684\u5730\u9762\u822a\u5411\u2014\u2014000.000~359.999
\n<2> \u4ee5\u78c1\u5317\u4e3a\u53c2\u8003\u57fa\u51c6\u7684\u5730\u9762\u822a\u5411\u2014\u2014000.000~359.999
\n<3> \u5730\u9762\u901f\u7387\u2014\u2014000.000~999.999\u8282
\n<4> \u5730\u9762\u901f\u7387\u2014\u20140000.0~1851.8\u516c\u91cc\/\u5c0f\u65f6
\n<5> \u6a21\u5f0f\u6307\u793a\u2014\u2014A=\u81ea\u4e3b\u5b9a\u4f4d\uff0cD=\u5dee\u5206\uff0cE=\u4f30\u7b97\uff0cN=\u6570\u636e\u65e0\u6548(\u4ec5NMEA0183 3.00\u7248\u672c\u8f93\u51fa)
\n<6> hh \u6821\u68c0\u4f4d
\n$GPVTG,257.314,T,257.314,M,10.739,N,19.888,K,A*2F<\/p>\n
5\u3001 $GPGSA\u8bed\u53e5\uff08GPS DOP and Active Satellites\uff0dGSA\uff0c\u5f53\u524d\u536b\u661f\u4fe1\u606f\uff0c1\u6b21\/1\u79d2\uff09
\nGSA : GNSS \u7684\u5f53\u524d\u536b\u661f\u548c\u7cbe\u5ea6\u56e0\u5b50,\u5305\u62ec\u53ef\u89c1\u536b\u661fPRN\u53f7,\u4ee5\u53caPDOP\u3001HDOP\u3001VDOP\u3002\u5982\uff1a
\n<1>\u00a0\u00a0\u00a0\u00a0 \u6a21\u5f0f \u2014\u2014M = \u624b\u52a8\uff0c A = \u81ea\u52a8\u3002
\n<2>\u00a0\u00a0\u00a0\u00a0 \u5b9a\u4f4d\u7c7b\u578b\u2014\u20141 = \u672a\u5b9a\u4f4d\uff0c 2 = \u4e8c\u7ef4\u5b9a\u4f4d\uff0c 3 = \u4e09\u7ef4\u5b9a\u4f4d\u3002
\n<3>\u00a0\u00a0\u00a0\u00a0 PRN \u6570\u5b57\u2014\u201401 \u81f3 32 \u8868\u5929\u7a7a\u4f7f\u7528\u4e2d\u7684\u536b\u661f\u7f16\u53f7\uff0c\u6700\u591a\u53ef\u63a5\u653612\u9897\u536b\u661f\u4fe1\u606f\u3002\u6b63\u5728\u7528\u4e8e\u89e3\u7b97\u4f4d\u7f6e\u7684\u536b\u661f\u53f7\uff0801~32\uff0c\u524d\u9762\u76840\u4e5f\u5c06\u88ab\u4f20\u8f93\uff09\u3002
\n<4>\u00a0\u00a0\u00a0\u00a0 PDOP\u4f4d\u7f6e\u7cbe\u5ea6\u56e0\u5b50\u2014\u20140.5\uff5e99.9
\n<5>\u00a0\u00a0\u00a0\u00a0 HDOP\u6c34\u5e73\u7cbe\u5ea6\u56e0\u5b50\u2014\u20140.5\uff5e99.9
\n<6>\u00a0\u00a0\u00a0\u00a0 VDOP\u5782\u76f4\u7cbe\u5ea6\u56e0\u5b50\u2014\u20140.5\uff5e99.9
\n<7>\u00a0\u00a0\u00a0\u00a0 Checksum.(\u68c0\u67e5\u4f4d).
\n$GPGSA,<1>,<2>,<3>,<3>,,,,,<3>,<3>,<3>,<4>,<5>,<6>,<7>
\n$GPGSA,A,3,19,11,03,23,27,13,16,,,,,,3.43,1.67,2.99*0E<\/p>\n
6. $GPGLL\u8bed\u53e5\uff08\u8f93\u51fa\u5927\u5730\u5750\u6807\u4fe1\u606f\uff09
\n$GPGLL,<1>,<2>,<3>,<4>,<5>,<6>,<7>*61
\n\u5b57\u6bb5 $GPGLL\u8bed\u53e5\u610f\u4e49\u2014\u2014\u53d6\u503c\u8303\u56f4
\n<1> \u7eac\u5ea6\uff1addmm.mmmmm\u2014\u20140000\uff0e00000~8959.9999
\n<2> \u5357\u7eac\u6216\u5317\u7eac\u2014\u2014\u5317\u7eacN\uff0cS\u5357\u7eac
\n<3> \u7ecf\u5ea6\uff1adddmm.mmmmm\u2014\u20140000\uff0e00000~17959.99999
\n<4> \u4e1c\u3001\u897f\u7ecf \u2014\u2014\u4e1c\u7ecfE\uff0c\u897f\u7ecfW
\n<5> UTC\u65f6\u95f4\u2014\u2014hh:mm:ss
\n<6> \u6570\u636e\u72b6\u6001\u2014\u2014A\u6709\u6548\uff0cV\u65e0\u6548
\n$GPGLL,2431.25310,N,11806.15429,E,081401.00,A,A*61<\/p>\n
7.$GPZDA \u8bed\u53e5\uff08\u8f93\u51faUTC\u65f6\u95f4\u548c\u65e5\u671f\u4fe1\u606f\uff09
\n$GPZDA, <1>,<2>,<3>,<4>,<5>*hh
\n\u5b57\u6bb5 $GPZDA\u8bed\u53e5\u610f\u4e49\u2014\u2014\u53d6\u503c\u8303\u56f4
\n<1> \u65f6\u95f4\uff1ahhmmss.ss\u2014\u20140000000.00\uff5e235959.99
\n<2> \u65e5\u2014\u201400\uff5e31
\n<3> \u6708\u2014\u201400\uff5e12
\n<4> \u5e74\u2014\u20140000\uff5e9999
\n<5> \u5730\u65b9\u65f6\u4e0e\u4e16\u754c\u65f6\u4e4b\u5dee
\n<6> \u68c0\u6821\u4f4d *hh\u2014\u2014*
\n$GPZDA,081401.00,14,09,2006,00,00*62<\/p>\n
8. $GPGST \u8bed\u53e5\uff08GPS \u4f2a\u8ddd\u566a\u58f0\u7edf\u8ba1,\u5305\u62ec\u4e86\u4e09\u7ef4\u5750\u6807\u7684\u6807\u51c6\u504f\u5dee\u4fe1\u606f\uff09
\n\u5b57\u6bb5\u2014\u2014\u793a\u4f8b\u2014\u2014\u8bf4\u660e
\nSentence ID \u2014\u2014$GPGST
\nUTC Time\u2014\u2014024603.00\u2014\u2014UTC time of associated GGA fix
\nRMS deviation\u2014\u20143.2\u2014\u2014Total RMS standard deviation of ranges inputs to the navigation solution
\nSemi-major deviation\u2014\u20146.6\u2014\u2014Standard deviation (meters) of semi-major axis of error ellipse
\nSemi-minor deviation\u2014\u20144.7\u2014\u2014Standard deviation (meters) of semi-minor axis of error ellipse
\nSemi-major orientation\u2014\u201447.3\u2014\u2014Orientation of semi-major axis of error ellipse (true north degrees)
\nLatitude error deviation\u2014\u20145.8\u2014\u2014Standard deviation (meters) of latitude error
\nLongitude error deviation\u2014\u20145.6\u2014\u2014Standard deviation (meters) of longitude error
\nAltitude error deviation\u2014\u201422.0\u2014\u2014Standard deviation (meters) of latitude error
\nChecksum\u2014\u2014 *58
\n$GPGST,024603.00,3.2,6.6,4.7,47.3,5.8,5.6,22.0*58<\/p>\n
9. $GPCN0\u8bed\u53e5<\/p>\n
\u5404\u9897\u7528\u4e8e\u89e3\u7b97\u7684\u536b\u661f\u4fe1\u566a\u6bd4\uff1a
\n$GPCN0,30,40,35,26,24,36,31,38
\n\u5176\u4ed6\u8bf4\u660e\uff1a
\nII. \u8f93\u51fa\u683c\u5f0f\uff1a
\nGPGGA(1\u6b21\/1\u79d2)
\nGPGSA(1\u6b21\/1\u79d2)
\nGPGSV(1\u6b21\/5\u79d2)
\nGPRMC(1\u6b21\/1\u79d2)
\n\u53e6\u53ef\u9009\u7528GLL,VTG\u6216SiRF\u4e8c\u8fdb\u5236\u683c\u5f0f<\/p>\n
III.\u4f7f\u7528\u5ea7\u6807\u7cfb\u7edf\uff1aWGS84
\nDOP\u503c\u6709\u4e09\u79cd\u6d4b\u91cf\u7c7b\u578b\uff1a
\n\u6c34\u5e73\u3001\u5782\u76f4\u548c\u8bf4\u660e\uff08mean\uff09\u3002HDOP\u6d4b\u91cf\u5b83\u548c\u7ecf\u7eac\u5ea6\u7684\u5173\u7cfb\u4f5c\u4e3a\u7cbe\u5ea6\uff0cVDOP\u6d4b\u91cf\u4ed6\u548c\u6d77\u62d4\u7684\u5173\u7cfb\u4f5c\u4e3a\u7cbe\u5ea6\uff0cPDOP\uff0c\u7ed9\u51fa\u4e00\u4e2a\u5173\u4e8e\u7ecf\u7eac\u5ea6\u3001\u6d77\u62d4\u7cbe\u5ea6\u7684\u5b8c\u6574\u7b49\u7ea7\u3002\u6bcf\u4e2aDOP\u503c\u90fd\u662f1\u523050\u4e4b\u95f4\u6570\u503c\uff0c\u5176\u4e2d50 \u8868\u793a\u975e\u5e38\u5dee\u7684\u7cbe\u5ea6\uff0c1\u5219\u8868\u793a\u5f88\u7406\u60f3\u7684\u7cbe\u786e\u5ea6\u3002
\n\u88682-1\u5217\u51fa\u4e86\u5212\u5206\u7684\u4e00\u4efd\u7cbe\u786e\u7684PDOP\u503c\u7ec6\u76ee\u5206\u7c7b\u3002PDOP\u5206\u7c7b\u63cf\u8ff0\uff1a
\nPDOP\u503c\u2014\u2014\u8bc4\u4ef7\u2014\u2014\u8bf4\u660e
\n1\uff5e2\u2014\u2014\u7406\u60f3\u2014\u2014\u8fd9\u662f\u6700\u9ad8\u7684\u4fe1\u4efb\u7ea7\u522b\uff0c\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5728\u4efb\u4f55\u65f6\u5019\u83b7\u53d6\u6700\u9ad8\u7684\u7cbe\u5ea6
\n2\uff5e3\u2014\u2014\u6781\u597d\u2014\u2014\u503c\u5f97\u4fe1\u4efb\u7684\u7ea7\u522b\uff0c\u4f4d\u7f6e\u7684\u6d4b\u91cf\u76f8\u5f53\u7cbe\u786e\uff0c\u53ef\u4ee5\u5e94\u7528\u4e8e\u7edd\u5927\u591a\u6570\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u662f\u6709\u4e9b\u975e\u5e38\u654f\u611f\u7684\u5e94\u7528\u7a0b\u5e8f\u5c31\u4e0d\u884c\u4e86
\n4\uff5e6\u2014\u2014\u597d\u2014\u2014\u8fd9\u662f\u7528\u6765\u505a\u5546\u4e1a\u5e94\u7528\u7684\u6700\u4f4e\u7b49\u7ea7\u3002\u4f4d\u7f6e\u7684\u6d4b\u91cf\u53ef\u4ee5\u7528\u6765\u505a\u7ebf\u8def\u5bfc\u822a\u5efa\u8bae
\n7\uff5e8\u2014\u2014\u4e2d\u7b49\u2014\u2014\u4f4d\u7f6e\u6d4b\u91cf\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\uff0c\u4f46\u662f\u8d28\u91cf\u8fd8\u5e94\u8be5\u63d0\u9ad8\u3002\u63a8\u8350\u7528\u8bed\u5929\u7a7a\u89c2\u5bdf
\n9\uff5e20\u2014\u2014\u4e2d\u4e0b\u2014\u2014\u4fe1\u4efb\u7ea7\u522b\u5f88\u4f4e\u3002\u4f4d\u7f6e\u6d4b\u91cf\u7ed3\u679c\u5e94\u8be5\u4e22\u5f03\u6216\u8005\u4ec5\u7528\u4e8e\u7c97\u7565\u4f30\u8ba1\u5f53\u524d\u4f4d\u7f6e
\n21\uff5e50\u2014\u2014\u5dee\u2014\u2014\u5728\u8fd9\u4e2a\u7ea7\u522b\u7684\u6d4b\u91cf\u7ed3\u679c\u662f\u4e0d\u7cbe\u786e\u7684\uff0c\u5927\u6982\u4f1a\u6709\u534a\u4e2a\u8db3\u7403\u573a\u5927\u7684\u8bef\u5dee\uff0c\u5e94\u8be5\u4e22\u5f03<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
NMEA\u534f\u8bae\u662f\u4e3a\u4e86\u5728\u4e0d\u540c\u7684GPS\u5bfc\u822a\u8bbe\u5907\u4e2d\u5efa\u7acb\u7edf\u4e00\u7684RTCM(\u6d77\u4e8b\u65e0\u7ebf\u7535\u6280\u672f\u59d4\u5458\u4f1a)\u6807\u51c6\uff0c\u5b83\u6700\u521d\u662f\u7531\u7f8e\u56fd\u56fd\u5bb6\u6d77 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1616","post","type-post","status-publish","format-standard","hentry","category-skill"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/1616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=1616"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/1616\/revisions"}],"predecessor-version":[{"id":5044,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/1616\/revisions\/5044"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=1616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=1616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=1616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}