{"id":97950,"date":"2024-09-19T11:51:12","date_gmt":"2024-09-19T03:51:12","guid":{"rendered":"\/\/www.viralrail.com\/?p=97950"},"modified":"2024-09-19T11:52:03","modified_gmt":"2024-09-19T03:52:03","slug":"gtzfsssm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97950.html","title":{"rendered":"GFSK\u8c03\u5236\u65b9\u5f0f\u662f\u4ec0\u4e48"},"content":{"rendered":"\n

\u3000\u3000GFSK(\u9ad8\u65af\u9891\u79fb\u952e\u63a7)<\/strong>\u662f\u4e00\u79cd\u6570\u5b57\u8c03\u5236\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf<\/strong>\u4e2d\u3002\u5176\u57fa\u672c\u539f\u7406\u662f\u901a\u8fc7\u5728F<\/a>S<\/a>K<\/a><\/strong>(\u9891\u79fb\u952e\u63a7)\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e00\u4e2a\u9ad8\u65af\u6ee4\u6ce2\u5668\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n

\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cGFSK\u8c03\u5236\u65b9\u5f0f\u9996\u5148\u5c06\u8f93\u5165\u6570\u636e\u7ecf\u8fc7\u9ad8\u65af\u4f4e\u901a\u6ee4\u6ce2\u5668\u8fdb\u884c\u9884\u5904\u7406\uff0c\u4ee5\u9650\u5236\u4fe1\u53f7\u7684\u9891\u8c31\u5bbd\u5ea6\uff0c\u7136\u540e\u5bf9\u7ecf\u8fc7\u6ee4\u6ce2\u540e\u7684\u57fa\u5e26\u4fe1\u53f7\u8fdb\u884cFSK\u8c03\u5236\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u80fd\u591f\u5e73\u6ed1\u57fa\u5e26\u8109\u51b2\uff0c\u51cf\u5c11\u4fe1\u53f7\u7684\u5e26\u5bbd\u548c\u9891\u8c31\u6269\u6563\uff0c\u4ece\u800c\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000GFSK\u8c03\u5236\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u4e3b\u8981\u5b9e\u73b0\u65b9\u5f0f\uff1a\u76f4\u63a5\u8c03\u5236\u548c\u6b63\u4ea4\u8c03\u5236\u3002\u76f4\u63a5\u8c03\u5236\u662f\u5c06\u6570\u5b57\u4fe1\u53f7\u7ecf\u8fc7\u9ad8\u65af\u4f4e\u901a\u6ee4\u6ce2\u540e\uff0c\u76f4\u63a5\u5bf9\u5c04\u9891\u8f7d\u6ce2\u8fdb\u884c\u6a21\u62df\u8c03\u9891;\u800c\u6b63\u4ea4\u8c03\u5236\u5219\u662f\u901a\u8fc7\u6570\u5b57\u9891\u7387\u5408\u6210(DDFS)\u7b49\u65b9\u6cd5\u751f\u6210\u6b63\u4ea4\u4fe1\u53f7\uff0c\u5e76\u901a\u8fc7DAC\u8f6c\u6362\u4e3a\u8fde\u7eed\u6ce2\u5f62\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cGFSK\u8c03\u5236\u5177\u6709\u6052\u5e45\u5305\u7edc\u3001\u529f\u7387\u8c31\u96c6\u4e2d\u3001\u9891\u8c31\u8f83\u7a84\u7b49\u7279\u70b9\uff0c\u4f7f\u5176\u5728\u7269\u8054\u7f51\u8bbe\u5907\u3001\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u3001\u6570\u636e\u4f20\u8f93\u7b49\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u84dd\u7259\u901a\u4fe1\u4e2d\uff0cGFSK\u56e0\u5176\u4f4e\u529f\u8017\u3001\u7a33\u5b9a\u53ef\u9760\u4ee5\u53ca\u826f\u597d\u7684\u6297\u566a\u58f0\u6027\u80fd\u800c\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000GFSK\u8c03\u5236\u65b9\u5f0f\u901a\u8fc7\u5f15\u5165\u9ad8\u65af\u6ee4\u6ce2\u5668\u6765\u6539\u5584\u4f20\u7edfFSK\u7684\u9891\u8c31\u7279\u6027\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u9891\u8c31\u6548\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u65e0\u7ebf\u901a\u4fe1\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 GFSK\u8c03\u5236\u65b9\u5f0f\u4e0e\u4f20\u7edfFSK\u8c03\u5236\u65b9\u5f0f\u5728\u9891\u8c31\u6548\u7387\u4e0a\u7684\u5177\u4f53\u6bd4\u8f83<\/h2>\n\n\n\n

\u3000\u3000GFSK(\u9ad8\u65af\u9891\u79fb\u952e\u63a7)\u8c03\u5236\u65b9\u5f0f\u4e0e\u4f20\u7edf\u7684FSK(\u9891\u79fb\u952e\u63a7)\u8c03\u5236\u65b9\u5f0f\u5728\u9891\u8c31\u6548\u7387\u4e0a\u7684\u5177\u4f53\u6bd4\u8f83\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u9891\u8c31\u5e26\u5bbd<\/strong>\uff1aFSK\u8c03\u5236\u4fe1\u53f7\u7684\u9891\u8c31\u7406\u8bba\u4e0a\u662f\u65e0\u7a77\u5bbd\u7684\uff0c\u800cGFSK\u8c03\u5236\u5219\u80fd\u63d0\u9ad8\u9891\u8c31\u5e26\u5bbd\u6548\u7387\u3002\u8fd9\u610f\u5473\u7740GFSK\u8c03\u5236\u65b9\u5f0f\u5360\u7528\u7684\u5e26\u5bbd\u66f4\u5c0f\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u9891\u8c31\u5229\u7528\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4fe1\u53f7\u6ce2\u5f62\u5e73\u6ed1\u6027<\/strong>\uff1a\u5728GFSK\u4e2d\uff0c\u6570\u5b57\u4fe1\u53f7\u7ecf\u8fc7\u9ad8\u65af\u6ee4\u6ce2\u5668\u8c03\u5236\u540e\uff0c\u4ea7\u751f\u7684\u4fe1\u53f7\u6ce2\u5f62\u66f4\u52a0\u5e73\u6ed1\uff0c\u6709\u52a9\u4e8e\u51cf\u5c0f\u76f8\u90bb\u9891\u7387\u4e4b\u95f4\u7684\u5e72\u6270\uff0c\u5e76\u63d0\u9ad8\u9891\u8c31\u6548\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6297\u5e72\u6270\u6027\u80fd<\/strong>\uff1aGFSK\u76f8\u5bf9\u4e8e\u4f20\u7edf\u7684FSK\u5728\u6297\u5e72\u6270\u6027\u80fd\u4e0a\u6709\u6240\u63d0\u5347\uff0c\u8fd9\u4e0d\u4ec5\u4f53\u73b0\u5728\u5176\u4f18\u8d8a\u7684\u9891\u8c31\u6548\u7387\u4e0a\uff0c\u8fd8\u4f53\u73b0\u5728\u5176\u66f4\u597d\u7684\u6297\u566a\u6027\u80fd\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5e26\u5916\u8870\u51cf<\/strong>\uff1aGFSK\u662f\u53cc\u6781\u6027\u7f16\u7801\u540e\u7684FSK\uff0c\u4fe1\u53f7\u9891\u8c31\u5e26\u5916\u8870\u51cf\uff0c\u8fd9\u610f\u5473\u7740GFSK\u8c03\u5236\u65b9\u5f0f\u80fd\u591f\u66f4\u597d\u5730\u6291\u5236\u5e26\u5916\u566a\u58f0\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u9891\u8c31\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u4e8c\u3001 GFSK\u8c03\u5236\u5728\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n

    \u3000\u3000GFSK\u56e0\u5176\u826f\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f4e\u529f\u8017\u7279\u70b9\uff0c\u7279\u522b\u9002\u5408\u7528\u4e8e\u5bf9\u529f\u8017\u3001\u5e26\u5bbd\u8981\u6c42\u8f83\u9ad8\u7684\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u3002\u4ee5\u4e0b\u662fGFSK\u8c03\u5236\u5728\u7269\u8054\u7f51\u9886\u57df\u7684\u4e3b\u8981\u5e94\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n

    \u3000\u30001. \u84dd\u7259\u4f4e\u529f\u8017\uff08Bluetooth Low Energy, BLE\uff09<\/strong><\/h3>\n\n\n\n

    \u3000\u3000BLE\u662f\u7269\u8054\u7f51\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u7684\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u3001\u5065\u5eb7\u76d1\u6d4b\u8bbe\u5907\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u7b49\u573a\u666f\u3002GFSK\u8c03\u5236\u662fBLE\u7684\u6838\u5fc3\u8c03\u5236\u65b9\u5f0f\uff0c\u5176\u4f4e\u529f\u8017<\/strong>\u548c\u5feb\u901f\u8fde\u63a5<\/strong>\u7684\u7279\u70b9\u4f7f\u5f97\u8bbe\u5907\u80fd\u591f\u5728\u4f4e\u529f\u7387\u72b6\u6001\u4e0b\u6301\u7eed\u901a\u4fe1\u3002<\/p>\n\n\n\n

    \u3000\u30002. Zigbee<\/strong><\/h3>\n\n\n\n

    \u3000\u3000Zigbee<\/strong>\u662f\u4e00\u79cd\u4e13\u4e3a\u7269\u8054\u7f51\u8bbe\u8ba1\u7684\u4f4e\u529f\u8017\u3001\u4f4e\u5e26\u5bbd\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5bb6\u5ead\u81ea\u52a8\u5316\u3001\u5de5\u4e1a\u63a7\u5236\u548c\u667a\u80fd\u7535\u7f51\u7b49\u9886\u57df\u3002GFSK\u8c03\u5236\u6709\u52a9\u4e8eZigbee\u8bbe\u5907\u5728\u590d\u6742\u73af\u5883\u4e0b\u4fdd\u6301\u7a33\u5b9a\u7684\u901a\u4fe1\u6027\u80fd\uff0c\u7279\u522b\u662f\u5f53\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u8fd0\u884c\u65f6\uff0c\u80fd\u591f\u6709\u6548\u964d\u4f4e\u5e72\u6270\u3002<\/p>\n\n\n\n

    \u3000\u30003. \u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\uff08WSN\uff09<\/strong><\/h3>\n\n\n\n

    \u3000\u3000\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u5e7f\u6cdb\u7528\u4e8e\u519c\u4e1a\u3001\u73af\u5883\u76d1\u6d4b\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u3002GFSK\u8c03\u5236\u7684\u4f4e\u529f\u8017\u7279\u6027\u4f7f\u5f97\u4f20\u611f\u5668\u8282\u70b9\u80fd\u591f\u957f\u65f6\u95f4\u8fd0\u884c\uff0c\u540c\u65f6\u5177\u5907\u826f\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u786e\u4fdd\u4f20\u611f\u5668\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u6613\u53d7\u73af\u5883\u566a\u58f0\u5f71\u54cd\u3002<\/p>\n\n\n\n

    \u3000\u30004. LoRa\u4e0eFSK\u6a21\u5f0f<\/strong><\/h3>\n\n\n\n

    \u3000\u3000\u5c3d\u7ba1LoRa\u6280\u672f\u4f7f\u7528\u4e86\u6269\u9891\u8c03\u5236<\/strong>\u6765\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\uff0c\u4f46\u5728\u4e00\u4e9b\u77ed\u8ddd\u79bb\u3001\u9ad8\u901f\u7387\u4f20\u8f93\u9700\u6c42\u7684\u573a\u666f\u4e0b\uff0cLoRa\u82af\u7247\u4e5f\u53ef\u4ee5\u5207\u6362\u5230GFSK\u6a21\u5f0f\u3002\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0cGFSK\u8c03\u5236\u53ef\u4ee5\u63d0\u4f9b\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u540c\u65f6\u4fdd\u6301\u8f83\u4f4e\u7684\u529f\u8017\uff0c\u9002\u5408\u77ed\u8ddd\u79bb\u7684\u7269\u8054\u7f51\u5e94\u7528\uff0c\u5982\u667a\u80fd\u6284\u8868\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u3002<\/p>\n\n\n\n

    \u3000\u30005. ISM\u9891\u6bb5\u901a\u4fe1<\/strong><\/h3>\n\n\n\n

    \u3000\u3000GFSK\u8c03\u5236\u4e5f\u5e7f\u6cdb\u5e94\u7528\u4e8eISM\uff08\u5de5\u4e1a\u3001\u79d1\u5b66\u3001\u533b\u7597\uff09\u9891\u6bb5<\/strong>\u7684\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u3002\u7531\u4e8e\u8be5\u9891\u6bb5\u65e0\u9700\u9891\u8c31\u6388\u6743\uff0cGFSK\u8c03\u5236\u4e3a\u8be5\u7c7b\u8bbe\u5907\u63d0\u4f9b\u4e86\u4f4e\u6210\u672c\u7684\u901a\u4fe1\u65b9\u6848\uff0c\u9002\u7528\u4e8e\u5982\u5bb6\u5ead\u81ea\u52a8\u5316\u8bbe\u5907\u3001\u4f4e\u901f\u7387\u7684\u8fdc\u7a0b\u63a7\u5236\u8bbe\u5907\u7b49\u3002<\/p>\n\n\n\n

    \u3000\u30003. GFSK\u5728\u7269\u8054\u7f51\u4e2d\u7684\u4f18\u52bf<\/strong><\/h3>\n\n\n\n
      \n
    • \u3000\u3000\u4f4e\u529f\u8017<\/strong>\uff1aGFSK\u8c03\u5236\u7684\u80fd\u91cf\u6548\u7387\u8f83\u9ad8\uff0c\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u5728\u4f4e\u529f\u8017\u72b6\u6001\u4e0b\u5de5\u4f5c\uff0c\u9002\u5408\u7535\u6c60\u4f9b\u7535\u7684\u7269\u8054\u7f51\u8bbe\u5907\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6297\u5e72\u6270\u6027<\/strong>\uff1a\u7531\u4e8eGFSK\u8c03\u5236\u5bf9\u9891\u8c31\u7684\u9ad8\u6548\u5229\u7528\uff0c\u5b83\u5728\u62e5\u6324\u7684\u65e0\u7ebf\u73af\u5883\u4e2d\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7279\u522b\u9002\u5408\u591a\u8bbe\u5907\u5171\u5b58\u7684\u7269\u8054\u7f51\u573a\u666f\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u9ad8\u9891\u8c31\u6548\u7387<\/strong>\uff1aGFSK\u901a\u8fc7\u9ad8\u65af\u6ee4\u6ce2\u9650\u5236\u9891\u7387\u53d8\u5316\uff0c\u51cf\u5c11\u4fe1\u53f7\u5e26\u5bbd\u7684\u6269\u5c55\uff0c\u56e0\u6b64\u5177\u5907\u826f\u597d\u7684\u9891\u8c31\u6548\u7387\uff0c\u80fd\u591f\u5728\u6709\u9650\u7684\u9891\u8c31\u8d44\u6e90\u4e2d\u5bb9\u7eb3\u66f4\u591a\u7684\u8bbe\u5907\u901a\u4fe1\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u5b9e\u73b0\u6210\u672c\u4f4e<\/strong>\uff1aGFSK\u8c03\u5236\u7b97\u6cd5\u76f8\u5bf9\u7b80\u5355\uff0c\u56e0\u6b64\u76f8\u5173\u7684\u901a\u4fe1\u6a21\u5757\u548c\u82af\u7247\u5b9e\u73b0\u6210\u672c\u8f83\u4f4e\uff0c\u7279\u522b\u9002\u5408\u5927\u89c4\u6a21\u7684\u7269\u8054\u7f51\u8bbe\u5907\u90e8\u7f72\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u30004. GFSK\u4e0e\u5176\u4ed6\u8c03\u5236\u65b9\u5f0f\u7684\u6bd4\u8f83<\/strong><\/h3>\n\n\n\n
        \n
      • \u3000\u3000\u4e0eFSK\u76f8\u6bd4<\/strong>\uff1aGFSK\u901a\u8fc7\u5f15\u5165\u9ad8\u65af\u6ee4\u6ce2\u51cf\u5c0f\u4e86\u9891\u8c31\u65c1\u74e3\u80fd\u91cf\u6269\u6563\uff0c\u56e0\u6b64\u5728\u76f8\u540c\u7684\u9891\u5e26\u5bbd\u5ea6\u4e0b\uff0cGFSK\u53ef\u4ee5\u652f\u6301\u66f4\u591a\u8bbe\u5907\u901a\u4fe1\u4e14\u5177\u6709\u66f4\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u4e0eQPSK\u76f8\u6bd4<\/strong>\uff1a\u5c3d\u7ba1QPSK(\u6b63\u4ea4\u76f8\u79fb\u952e\u63a7)\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u9891\u8c31\u6548\u7387\u548c\u6570\u636e\u901f\u7387\uff0c\u4f46\u5176\u76f8\u5bf9\u590d\u6742\u7684\u5b9e\u73b0\u548c\u8f83\u9ad8\u7684\u529f\u8017\u4f7f\u5176\u5728\u4f4e\u529f\u8017\u573a\u666f\u4e2d\u4e0d\u5982GFSK\u9002\u7528\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u30005. \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/strong><\/h2>\n\n\n\n
          \n
        • \u3000\u3000\u4e0e\u5176\u4ed6\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\u6280\u672f\u7684\u96c6\u6210<\/strong>\uff1aGFSK\u8c03\u5236\u5c06\u5728\u672a\u6765\u66f4\u591a\u4e0eNB-IoT<\/strong>\u3001LTE-M<\/strong>\u7b49\u6280\u672f\u7ed3\u5408\uff0c\u7ee7\u7eed\u63a8\u52a8\u7269\u8054\u7f51\u8bbe\u5907\u7684\u4f4e\u529f\u8017\u3001\u957f\u7eed\u822a\u53d1\u5c55\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4f18\u5316\u8c03\u5236\u65b9\u6848\u4ee5\u63d0\u9ad8\u4f20\u8f93\u6548\u7387<\/strong>\uff1a\u672a\u6765GFSK\u8c03\u5236\u6280\u672f\u53ef\u80fd\u4f1a\u8fdb\u4e00\u6b65\u4f18\u5316\uff0c\u4ee5\u9002\u5e94\u66f4\u5927\u89c4\u6a21\u7684\u7269\u8054\u7f51\u7f51\u7edc\u90e8\u7f72\uff0c\u540c\u65f6\u63d0\u5347\u901a\u4fe1\u7a33\u5b9a\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u3000GFSK\u8c03\u5236\u51ed\u501f\u5176\u4f4e\u529f\u8017\u3001\u6297\u5e72\u6270\u6027\u5f3a\u3001\u9891\u8c31\u6548\u7387\u9ad8\u7684\u4f18\u52bf\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u7279\u522b\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\uff0c\u5982\u84dd\u7259\u3001Zigbee\u3001\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u7b49\u3002\u5728\u672a\u6765\uff0c\u968f\u7740\u7269\u8054\u7f51\u8bbe\u5907\u6570\u91cf\u7684\u6301\u7eed\u589e\u957f\uff0cGFSK\u8c03\u5236\u6280\u672f\u5c06\u5728\u66f4\u591a\u5e94\u7528\u573a\u666f\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e09\u3001 \u5982\u4f55\u6570\u5b57\u9891\u7387\u5408\u6210(DDFS)\u5b9e\u73b0GFSK\u7684\u6b63\u4ea4\u8c03\u5236?<\/h2>\n\n\n\n

          \u3000\u3000\u901a\u8fc7\u6570\u5b57\u9891\u7387\u5408\u6210(DDFS)\u5b9e\u73b0GFSK\u7684\u6b63\u4ea4\u8c03\u5236\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n\n\n\n

            \n
          • \u3000\u3000\u9ad8\u65af\u4f4e\u901a\u6ee4\u6ce2<\/strong>\uff1a\u9996\u5148\uff0c\u5c06\u8f93\u5165\u7684\u6570\u5b57\u4fe1\u53f7\u901a\u8fc7\u9ad8\u65af\u4f4e\u901a\u6ee4\u6ce2\u5668\u8fdb\u884c\u9884\u5904\u7406\u3002\u8fd9\u4e00\u6b65\u662f\u4e3a\u4e86\u5e73\u6ed1\u4fe1\u53f7\u7684\u9891\u8c31\uff0c\u907f\u514d\u9ad8\u9891\u566a\u58f0\u5bf9\u540e\u7eed\u8c03\u5236\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u76f8\u4f4d\u79ef\u5206\u8fd0\u7b97<\/strong>\uff1a\u5728\u9ad8\u65af\u4f4e\u901a\u6ee4\u6ce2\u4e4b\u540e\uff0c\u5bf9\u4fe1\u53f7\u8fdb\u884c\u9002\u5f53\u7684\u76f8\u4f4d\u79ef\u5206\u8fd0\u7b97\u3002\u8fd9\u4e00\u6b65\u9aa4\u662f\u4e3a\u4e86\u5c06\u4fe1\u53f7\u8f6c\u6362\u4e3a\u9002\u5408\u8c03\u5236\u7684\u5f62\u5f0f\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u5206\u9891\u4e3a\u540c\u76f8\u548c\u6b63\u4ea4\u4e24\u90e8\u5206<\/strong>\uff1a\u5c06\u7ecf\u8fc7\u6ee4\u6ce2\u548c\u76f8\u4f4d\u79ef\u5206\u8fd0\u7b97\u540e\u7684\u4fe1\u53f7\u5206\u6210\u540c\u76f8(I)\u548c\u6b63\u4ea4(Q)\u4e24\u90e8\u5206\u3002\u8fd9\u4e24\u90e8\u5206\u4fe1\u53f7\u5206\u522b\u4ee3\u8868\u4e86\u8f7d\u6ce2\u7684\u4e24\u4e2a\u6b63\u4ea4\u5206\u91cf\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u4e58\u4ee5\u8f7d\u6ce2\u5206\u91cf<\/strong>\uff1a\u5c06\u540c\u76f8\u5206\u91cf\u548c\u6b63\u4ea4\u5206\u91cf\u5206\u522b\u4e0e\u8f7d\u6ce2\u7684\u540c\u76f8\u5206\u91cf\u548c\u6b63\u4ea4\u5206\u91cf\u76f8\u4e58\u3002\u8fd9\u6837\u53ef\u4ee5\u751f\u6210GFSK\u4fe1\u53f7\u7684\u540c\u76f8\u548c\u6b63\u4ea4\u5206\u91cf\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u5408\u6210GFSK\u4fe1\u53f7<\/strong>\uff1a\u6700\u540e\uff0c\u5c06\u540c\u76f8\u5206\u91cf\u548c\u6b63\u4ea4\u5206\u91cf\u5408\u6210\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u6700\u7ec8\u7684GFSK\u4fe1\u53f7\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u6765\u5b9e\u73b0\uff0c\u786e\u4fdd\u751f\u6210\u7684\u9891\u7387\u5177\u6709\u9ad8\u7a33\u5b9a\u5ea6\u548c\u51c6\u786e\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n

            \u3000\u3000\u56db\u3001 GFSK\u8c03\u5236\u65b9\u5f0f\u5728\u84dd\u7259\u901a\u4fe1\u4e2d\u7684\u4f18\u52bf\u5177\u4f53\u8868\u73b0<\/h2>\n\n\n\n

            \u3000\u3000GFSK(\u9ad8\u65af\u9891\u79fb\u952e\u63a7)\u8c03\u5236\u65b9\u5f0f\u5728\u84dd\u7259\u901a\u4fe1\u4e2d\u5177\u6709\u591a\u4e2a\u4f18\u52bf\uff0c\u5177\u4f53\u8868\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

              \n
            • \u3000\u3000\u9891\u8c31\u96c6\u4e2d\u548c\u7a84\u9891\u8c31<\/strong>\uff1aGFSK\u901a\u8fc7\u5728\u8c03\u5236\u524d\u5bf9\u6570\u636e\u8fdb\u884c\u9ad8\u65af\u6ee4\u6ce2\u5904\u7406\uff0c\u4f7f\u5f97\u4fe1\u53f7\u7684\u529f\u7387\u8c31\u66f4\u52a0\u96c6\u4e2d\u4e14\u9891\u8c31\u8f83\u7a84\u3002\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u4fe1\u53f7\u5728\u975e\u76ee\u6807\u9891\u7387\u4e0a\u7684\u6cc4\u9732\uff0c\u4ece\u800c\u964d\u4f4e\u5e72\u6270\u7684\u53ef\u80fd\u6027\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u7531\u4e8eGFSK\u7684\u9891\u7387\u8f6c\u6362\u88ab\u5e73\u6ed1\u5904\u7406\uff0c\u5b83\u80fd\u591f\u4ea7\u751f\u66f4\u5c11\u566a\u58f0\u7684\u4fe1\u53f7\uff0c\u5e76\u4e14\u9891\u8c31\u5bbd\u5ea6\u66f4\u7a84\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97GFSK\u5728\u5b58\u5728\u5176\u4ed6\u9891\u7387\u5e72\u6270\u7684\u60c5\u51b5\u4e0b\uff0c\u4f9d\u7136\u53ef\u4ee5\u4fdd\u6301\u8f83\u9ad8\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u6210\u672c\u6548\u76ca<\/strong>\uff1aGFSK\u8c03\u5236\u65b9\u5f0f\u76f8\u5bf9\u7b80\u5355\uff0c\u56e0\u6b64\u5728\u5b9e\u73b0\u4e0a\u5177\u6709\u8f83\u4f4e\u7684\u6210\u672c\u4f18\u52bf\u3002\u8fd9\u4f7f\u5f97\u84dd\u7259\u6280\u672f\u6210\u4e3a\u4e00\u79cd\u7ecf\u6d4e\u5b9e\u60e0\u7684\u9009\u62e9\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u9700\u8981\u4f4e\u6210\u672c\u65e0\u7ebf\u4f20\u8f93\u6807\u51c6\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n
            • \u3000\u3000\u517c\u5bb9\u6027<\/strong>\uff1a\u5c3d\u7ba1\u84dd\u72592.0\u5f15\u5165\u4e86\u66f4\u9ad8\u6570\u636e\u901f\u7387\u7684\u8c03\u5236\u65b9\u6848\u5982\u03c0\/4-DQPSK\u548c8-DPSK\uff0c\u4f46\u4e3a\u4e86\u4fdd\u6301\u4e0e\u65e9\u671f\u7248\u672c\u7684\u517c\u5bb9\u6027\uff0cGFSK\u4ecd\u7136\u88ab\u7528\u4e8e\u4f20\u8f93\u5305\u5934\u4fe1\u606f\u7b49\u57fa\u672c\u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n

              \u3000\u3000\u4e94\u3001 \u9ad8\u65af\u6ee4\u6ce2\u5668\u5728GFSK\u8c03\u5236\u4e2d\u662f\u5982\u4f55\u5f71\u54cd\u4fe1\u53f7\u5e26\u5bbd\u548c\u9891\u8c31\u6269\u6563<\/h2>\n\n\n\n

              \u3000\u3000\u9ad8\u65af\u6ee4\u6ce2\u5668\u5728GFSK(Gaussian Frequency Shift Keying)\u8c03\u5236\u4e2d\u5bf9\u4fe1\u53f7\u5e26\u5bbd\u548c\u9891\u8c31\u6269\u6563\u7684\u5f71\u54cd\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u5206\u6790\u3002<\/p>\n\n\n\n

              \u3000\u3000\u9ad8\u65af\u6ee4\u6ce2\u5668\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5e73\u6ed1\u9891\u7387\u53d8\u5316\uff0c\u51cf\u5c11\u9891\u8c31\u65c1\u74e3\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u901a\u8fc7\u4f7f\u7528\u9ad8\u65af\u6ee4\u6ce2\u5668\uff0c\u53ef\u4ee5\u8f6f\u5316\u6570\u636e\u6bd4\u7279\u7684\u8fb9\u7f18\uff0c\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u9891\u8c31\u6269\u6563\u5e76\u964d\u4f4e\u5360\u7528\u7684\u5e26\u5bbd\u3002\u8fd9\u79cd\u6ee4\u6ce2\u65b9\u5f0f\u4f7f\u5f97GFSK\u8c03\u5236\u80fd\u591f\u5728\u8f83\u7a84\u7684\u5e26\u5bbd\u5185\u4f20\u8f93\u66f4\u9ad8\u7684\u6570\u636e\u7387\u3002<\/p>\n\n\n\n

              \u3000\u3000\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u867d\u7136\u9ad8\u65af\u6ee4\u6ce2\u5668\u80fd\u591f\u51cf\u5c11\u9891\u8c31\u6269\u6563\u548c\u964d\u4f4e\u5e26\u5bbd\u9700\u6c42\uff0c\u4f46\u5176\u5b9e\u9645\u6548\u679c\u4e5f\u53d7\u5230\u6bd4\u7279\u5468\u671f(BT)\u7684\u5f71\u54cd\u3002\u5f53\u6bd4\u7279\u5468\u671f\u51cf\u5c0f\uff0c\u5373BT\u503c\u964d\u4f4e\u65f6\uff0c\u7b26\u53f7\u95f4\u5e72\u6270(ISI)\u4f1a\u589e\u52a0\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u56fa\u5b9a\u7684\u529f\u7387\u635f\u8017\u6216\u4e0d\u53ef\u6d88\u9664\u7684\u9519\u8bef\u5730\u677f\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1GFSK\u7cfb\u7edf\u65f6\uff0c\u9700\u8981\u5e73\u8861BT\u503c\u4ee5\u786e\u4fdd\u9002\u5f53\u7684\u5e26\u5bbd\u6548\u7387\u548c\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n

              \u3000\u3000\u6b64\u5916\uff0c\u9ad8\u65af\u6ee4\u6ce2\u5668\u901a\u5e38\u5177\u6709\u8f83\u7a84\u7684\u5e26\u5bbd\uff0c\u8fd9\u4f7f\u5176\u5728\u9891\u8c31\u5206\u6790\u4e2d\u5e7f\u6cdb\u5e94\u7528\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5e73\u6ed1\u4fe1\u53f7\u548c\u6291\u5236\u566a\u58f0\u7684\u60c5\u51b5\u4e0b\u3002\u4f46\u662f\uff0c\u5728GFSK\u8c03\u5236\u4e2d\uff0c\u9ad8\u65af\u6ee4\u6ce2\u5668\u7684\u5e26\u5bbd\u65f6\u95f4(BT)\u4ea7\u54c1\u4e3a0.5.\u8fd9\u610f\u5473\u7740\u5b83\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u589e\u52a0\u4e86\u5e26\u5bbd\u9700\u6c42\u3002<\/p>\n\n\n\n

              \u3000\u3000\u603b\u7ed3\u800c\u8a00\uff0c\u9ad8\u65af\u6ee4\u6ce2\u5668\u5728GFSK\u8c03\u5236\u4e2d\u901a\u8fc7\u5e73\u6ed1\u9891\u7387\u53d8\u5316\u548c\u51cf\u5c11\u9891\u8c31\u65c1\u74e3\u6765\u5f71\u54cd\u4fe1\u53f7\u5e26\u5bbd\u548c\u9891\u8c31\u6269\u6563\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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