{"id":2690,"date":"2021-03-12T15:39:10","date_gmt":"2021-03-12T07:39:10","guid":{"rendered":"https:\/\/www.taitien.com\/cn\/?p=2690"},"modified":"2021-03-15T09:22:39","modified_gmt":"2021-03-15T01:22:39","slug":"%e6%b3%b0%e8%89%ba%e7%94%b5%e5%ad%90%ef%bc%9a%e5%bc%95%e9%a2%86%e5%8f%b0%e6%b9%be%e7%9f%b3%e8%8b%b1%e4%ba%a7%e4%b8%9a%e8%b5%b0%e8%bf%9b%e6%96%b05g%e6%97%b6%e4%bb%a3","status":"publish","type":"post","link":"https:\/\/www.taitien.com\/cn\/%e6%b4%bb%e5%8a%a8%e8%ae%af%e6%81%af\/%e6%b3%b0%e8%89%ba%e7%94%b5%e5%ad%90%ef%bc%9a%e5%bc%95%e9%a2%86%e5%8f%b0%e6%b9%be%e7%9f%b3%e8%8b%b1%e4%ba%a7%e4%b8%9a%e8%b5%b0%e8%bf%9b%e6%96%b05g%e6%97%b6%e4%bb%a3\/","title":{"rendered":"\u6cf0\u827a\u7535\u5b50\uff1a\u5f15\u9886\u53f0\u6e7e\u77f3\u82f1\u4ea7\u4e1a\u8d70\u8fdb\u65b05G\u65f6\u4ee3"},"content":{"rendered":"

\"\"<\/a>\u6cf0\u827a\u7535\u5b50\u81ea 1976 \u5e74\u8d77\u5f00\u59cb\u751f\u4ea7\u7528\u4e8e\u6d88\u8d39\u7c7b\u7535\u5b50\u548c\u9ad8\u7aef\u5e94\u7528\u7684\u77f3\u82f1\u9891\u7387\u63a7\u5236\u4ea7\u54c1\uff0c40 \u591a\u5e74\u6765\uff0c\u4ee5\u53f0\u6e7e\u4e3a\u603b\u90e8\u7684\u6cf0\u827a\uff0c\u4e0d\u65ad\u5728\u5168\u7403\u6269\u5c55\u4e1a\u52a1\uff0c\u4e8e\u53f0\u6e7e\u3001\u7f8e\u56fd\u548c\u4e2d\u56fd\u5747\u8bbe\u6709\u751f\u4ea7\u5de5\u5382\u3002<\/p>\n

\u6cf0\u827a\u540d\u5217\u53f0\u6e7e\u524d 5000 \u5927\u578b\u4f01\u4e1a\uff0c\u662f\u53f0\u6e7e\u7b2c\u4e00\u5bb6\u5177\u5907\u6280\u672f\u53ca\u751f\u4ea7\u80fd\u529b\u5236\u9020\u539f\u6750\u77f3\u82f1\u6676\u68d2\u548c\u9ad8\u9891\u57fa\u672c\u6ce2 inverted-mesa \u82af\u7247\u7684\u516c\u53f8\uff0c\u56e0\u800c\u5728\u77f3\u82f1\u884c\u4e1a\u5efa\u7acb\u4e86\u9886\u5bfc\u8005\u7684\u5730\u4f4d\u3002<\/p>\n

\u6cf0\u827a\u62e5\u6709\u4e8c\u5341\u591a\u9879\u53d1\u660e\u4e13\u5229\uff0c\u4e00\u76f4\u81f4\u529b\u4e8e\u7814\u53d1\u5e76\u5c06\u5176\u6536\u5165\u7684 4.4% \u6295\u5165\u4e8e\u65b0\u6280\u672f\u3002\u6beb\u65e0\u7591\u95ee\uff0c\u8981\u6ee1\u8db3 5G \u7ade\u8d5b\u4e2d\u8d85\u7cbe\u786e\u9891\u7387\u63a7\u5236\u7684\u65b0\u6280\u672f\u95e8\u574e\uff0c\u8fd9\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u73af\u3002<\/p>\n

\u9891\u7387\u63a7\u5236\u7684\u91cd\u8981\u6027
\n\u9891\u7387\u63a7\u5236\u662f\u5927\u591a\u6570\u7535\u5b50\u4ea7\u54c1\u7684\u91cd\u8981\u90e8\u5206\u3002\u5728\u77f3\u82f1\u632f\u8361\u5668\u4e2d\uff0c\u77f3\u82f1\u80fd\u5728\u4fe1\u53f7\u4f20\u8f93\u65f6\u6d88\u9664\u566a\u58f0\u5e76\u7a33\u5b9a\u9891\u7387\uff0c\u4ece\u800c\u63d0\u5347\u5b9a\u65f6\u3001\u5b9a\u4f4d\u548c\u5bfc\u822a\u7684\u51c6\u786e\u6027\u3002<\/p>\n

\u56e0\u6b64\uff0c\u77f3\u82f1\u632f\u8361\u5668\u5e7f\u6cdb\u5730\u4f7f\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\uff0c\u4ece\u822a\u5929\u7684\u9ad8\u7aef\u5e94\u7528\u5230\u5e38\u89c4\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\uff0c\u5982\u65f6\u949f\u3001\u7535\u8bdd\u3002\u6cf0\u827a\u8ba4\u4e3a\u77f3\u82f1\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u4e3b\u8981\u5e94\u7528\u9886\u57df\u4e3a\u65e0\u7ebf\u3001\u6709\u7ebf\u3001\u6570\u636e\u4e2d\u5fc3\u4ee5\u53ca\u5de5\u4e1a\uff0f\u6d88\u8d39\u7c7b\u7535\u5b50\u3002\u56e0\u6b64\uff0c\u751f\u4ea7\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u7684\u516c\u53f8\u5fc5\u987b\u80fd\u591f\u5b9e\u73b0\u5927\u91cf\u751f\u4ea7\uff0c\u8fd9\u4e00\u70b9\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

\u6cf0\u827a\u662f\u53f0\u6e7e\u62e5\u6709\u751f\u4ea7\u539f\u6750\u77f3\u82f1\u6676\u68d2\u6280\u672f\u7684\u5148\u9a71\u3002\u6cf0\u827a\u7814\u53d1\u5904\u957f\u9093\u5fd7\u76ca\u5148\u751f\u8868\u793a\uff1a\u300c\u6211\u4eec\u662f\u7ee7\u7231\u666e\u751f\u4e4b\u540e\uff0c\u5177\u6709\u751f\u4ea7\u9ad8\u9891\u57fa\u672c\u6ce2 inverted-mesa \u82af\u7247\u7684\u9ec4\u5149\u5fae\u5f71\u6280\u672f\u7684\u5168\u7403\u9886\u5bfc\u516c\u53f8\u4e4b\u4e00\u3002\u300d<\/p>\n

\u6cf0\u827a\u7535\u5b50\u63d0\u4f9b\u54ea\u4e9b\u4ea7\u54c1\uff1f<\/p>\n

\"\"<\/a>\u5b9a\u65f6\u6a21\u5757 (Timing Module)
\n\u6cf0\u827a\u6700\u53d7\u6b22\u8fce\u7684\u4ea7\u54c1\u4e4b\u4e00\u662f\u5b9a\u65f6\u6a21\u5757\uff0c\u5f53\u4e2d\u5305\u62ec DT-6565\u3002DT-6565 \u4f7f\u7528 GPS \u9a6f\u670d\u632f\u8361\u5668\u6765\u786e\u4fdd\u7eb3\u79d2\u7ea7\u7684\u7cbe\u5ea6\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u73af\u5883\u4e0b\u8fdb\u884c
\n\u5b9a\u65f6\u548c\u5b9a\u4f4d\uff0c\u5982\u96f7\u8fbe\u3001\u536b\u661f\u548c\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n

DT-6565 \u7684\u5353\u8d8a\u4e4b\u5904\uff0c\u5728\u4e8e\u5176\u5b9a\u65f6\u529f\u80fd\u8db3\u4ee5\u4e0e\u539f\u5b50\u949f\u5ab2\u7f8e\uff0c\u5728 24 \u5c0f\u65f6\u5185holdover \u6027\u80fd\u4e3a 1.5us\uff0c\u5728\u5c3a\u5bf8\u76f8\u8fd1\u7684\u5b9a\u65f6\u6a21\u5757\u4e2d\uff0cDT-6565 \u8fdc\u8fdc
\n\u8d85\u8d8a\u884c\u4e1a\u6807\u51c6\u3002<\/p>\n

 <\/p>\n

\"\"<\/a>\u6052\u6e29\u63a7\u5236\u77f3\u82f1\u632f\u8361\u5668 (OCXO)
\n\u6052\u6e29\u63a7\u5236\u77f3\u82f1\u632f\u8361\u5668\u4f7f\u77f3\u82f1\u5728\u300c\u6052\u6e29\u7bb1\u300d\u4e2d\u52a0\u70ed\uff0c\u4ece\u800c\u4fdd\u62a4\u6676\u4f53\u514d\u53d7\u6e29\u5ea6\u3001\u91cd\u529b\u548c\u632f\u52a8\u7b49\u5916\u90e8\u53d8\u5316\u7684\u5f71\u54cd\u3002\u8fd9\u6837\u53ef\u786e\u4fdd\u632f\u8361\u5668\u7684\u9891\u7387\u548c\u6027\u80fd\uff0c\u7686\u7ef4\u6301\u5728\u9ad8\u7a33\u5b9a\u4e14\u51c6\u786e\u7684\u6c34\u5e73\u3002\u901a\u8fc7\u6301\u7eed\u7814\u7a76\u4ea7\u54c1\u7684\u8010\u73af\u5883\u6027\uff0c\u6cf0\u827a\u7684 OCXO\u8001\u5316\u7387\u975e\u5e38\u4f4e\uff0c\u6bcf\u5e74\u4ec5\u4e3a 0.2 ppm\uff0c\u800c\u5176\u76f8\u4f4d\u566a\u58f0\u7684 noise floor \u53ef\u8fbe\u5230 -180dBc\/Hz\u4e4b\u6c34\u5e73\uff0c\u8fdc\u4f4e\u4e8e\u5e02\u573a\u4e0a\u7684\u7ade\u4e89\u4ea7\u54c1\u3002<\/p>\n

\u968f\u7740 5G \u7684\u5230\u6765\uff0cOCXO \u7684\u9700\u6c42\u6b63\u5728\u4e0a\u5347\u3002\u76ee\u524d\u8981\u8fd0\u4f5c\u4e00\u4e2a\u5c0f\u578b 5G \u57fa\u5730\u53f0\u81f3\u5c11\u9700\u8981\u4e00\u4e2a OCXO\uff0c\u800c\u4e00\u4e2a\u8f83\u5927\u7684\u57fa\u5730\u53f0\u53ef\u80fd\u9700\u8981\u8d85\u8fc7\u5341\u4e2aOCXO\u3002\u6cf0\u827a\u662f\u76ee\u524d\u4e9a\u6d32\u5c11\u6570\u7684 OCXO \u5236\u9020\u5546\u4e4b\u4e00\uff0c\u5728\u5168\u7403 OCXO \u5e02\u573a\u5360\u6709\u7387\u8d85\u8fc7 3%\uff0c\u56e0\u6b64\u6709\u671b\u4ece 5G \u7ade\u4e89\u4e2d\u5927\u5927\u83b7\u5229\u3002\u9093\u5904\u957f\u6307\u51fa\uff1a\u300c\u6211\u4eec\u7684 OCXO \u5e7f\u6cdb\u4f7f\u7528\u4e8e\u5927\u578b\u57fa\u5730\u53f0\u7684\u7f51\u7edc\u901a\u8baf\uff0c\u6211\u4eec\u7684\u5ba2\u6237\u5305\u62ec NSN \u548c\u534e\u4e3a\u7b49\u77e5\u540d\u5236\u9020\u5382\u5546\u3002\u300d<\/p>\n

\u5e94\u5bf9\u75ab\u60c5\uff0c\u5c55\u671b\u672a\u6765
\n\u4e0e\u5927\u591a\u6570\u516c\u53f8\u4e0d\u540c\uff0c\u6cf0\u827a\u56e0\u4e3a COVID-19 \u7684\u51fa\u73b0\u4f7f\u5f97\u4ea7\u54c1\u7684\u9700\u6c42\u4e0a\u5347\u3002\u9093\u5904\u957f\u8868\u793a\uff1a\u300c\u5728\u75ab\u60c5\u7206\u53d1\u4e4b\u524d\uff0c\u6211\u4eec\u7684\u4f9b\u5e94\u94fe\u5df2\u505a\u597d\u4e86\u5145\u5206\u7684\u51c6\u5907\uff0c\u800c\u8bb8\u591a\u7ade\u4e89\u5bf9\u624b\u8fd8\u6ca1\u6709\u505a\u597d\u63a5\u53d7\u8ba2\u5355\u7684\u51c6\u5907\u3002\u300d\u5728\u75ab\u60c5\u548c 5G \u7684\u63a8\u52a8\u4e0b\uff0c\u6cf0\u827a\u7684\u4e1a\u52a1\u65e5\u76ca\u589e\u957f\uff0c\u800c\u4e14\u5c06\u4f1a\u7ee7\u7eed\u7ef4\u6301\u3002<\/p>\n

\u300c 5G \u7684\u5230\u6765\u548c AIoT \u7684\u5174\u8d77\uff0c\u5927\u5927\u5730\u6539\u53d8\u4e86\u77f3\u82f1\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u7684\u6280\u672f\u95e8\u574e\u3002\u65b0\u7684\u5e94\u7528\u8981\u6c42\u66f4\u9ad8\u7cbe\u5ea6\u3001\u66f4\u9ad8\u7684\u8010\u73af\u5883\u6027\u80fd\uff0c\u8fd9\u6b63\u662f\u6cf0\u827a\u7684\u77f3\u82f1\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u6240\u80fd\u63d0\u4f9b\u7684\uff0c\u6240\u4ee5\u7ef4\u6301\u4ea7\u80fd\u4ee5\u6ee1\u8db3\u65b0\u6280\u672f\u7684\u8981\u6c42\uff0c\u5c06\u6210\u4e3a\u6301\u7eed\u6210\u529f\u7684\u5173\u952e\u3002\u300d<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6cf0\u827a\u7535\u5b50\u81ea 1976 \u5e74\u8d77\u5f00\u59cb\u751f\u4ea7\u7528\u4e8e\u6d88\u8d39\u7c7b\u7535\u5b50\u548c\u9ad8\u7aef\u5e94\u7528\u7684\u77f3\u82f1\u9891\u7387\u63a7\u5236\u4ea7\u54c1\uff0c40 \u591a\u5e74\u6765\uff0c\u4ee5\u53f0\u6e7e\u4e3a\u603b\u90e8\u7684\u6cf0\u827a\uff0c\u4e0d\u65ad\u5728\u5168\u7403\u6269\u5c55\u4e1a\u52a1\uff0c\u4e8e\u53f0\u6e7e\u3001\u7f8e\u56fd\u548c\u4e2d\u56fd\u5747\u8bbe\u6709\u751f\u4ea7\u5de5\u5382\u3002 \u6cf0\u827a\u540d\u5217\u53f0\u6e7e\u524d 5000 \u5927\u578b\u4f01\u4e1a\uff0c\u662f\u53f0\u6e7e\u7b2c\u4e00\u5bb6\u5177\u5907\u6280\u672f\u53ca\u751f\u4ea7\u80fd\u529b\u5236\u9020\u539f\u6750\u77f3\u82f1\u6676\u68d2\u548c\u9ad8\u9891\u57fa\u672c\u6ce2 inverted-mesa \u82af\u7247\u7684\u516c\u53f8\uff0c\u56e0\u800c\u5728\u77f3\u82f1\u884c\u4e1a\u5efa\u7acb\u4e86\u9886\u5bfc\u8005\u7684\u5730\u4f4d\u3002 \u6cf0\u827a\u62e5\u6709\u4e8c\u5341\u591a\u9879\u53d1\u660e\u4e13\u5229\uff0c\u4e00\u76f4\u81f4\u529b\u4e8e\u7814\u53d1\u5e76\u5c06\u5176\u6536\u5165\u7684 4.4% \u6295\u5165\u4e8e\u65b0\u6280\u672f\u3002\u6beb\u65e0\u7591\u95ee\uff0c\u8981\u6ee1\u8db3 5G \u7ade\u8d5b\u4e2d\u8d85\u7cbe\u786e\u9891\u7387\u63a7\u5236\u7684\u65b0\u6280\u672f\u95e8\u574e\uff0c\u8fd9\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u73af\u3002 \u9891\u7387\u63a7\u5236\u7684\u91cd\u8981\u6027 \u9891\u7387\u63a7\u5236\u662f\u5927\u591a\u6570\u7535\u5b50\u4ea7\u54c1\u7684\u91cd\u8981\u90e8\u5206\u3002\u5728\u77f3\u82f1\u632f\u8361\u5668\u4e2d\uff0c\u77f3\u82f1\u80fd\u5728\u4fe1\u53f7\u4f20\u8f93\u65f6\u6d88\u9664\u566a\u58f0\u5e76\u7a33\u5b9a\u9891\u7387\uff0c\u4ece\u800c\u63d0\u5347\u5b9a\u65f6\u3001\u5b9a\u4f4d\u548c\u5bfc\u822a\u7684\u51c6\u786e\u6027\u3002 \u56e0\u6b64\uff0c\u77f3\u82f1\u632f\u8361\u5668\u5e7f\u6cdb\u5730\u4f7f\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\uff0c\u4ece\u822a\u5929\u7684\u9ad8\u7aef\u5e94\u7528\u5230\u5e38\u89c4\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\uff0c\u5982\u65f6\u949f\u3001\u7535\u8bdd\u3002\u6cf0\u827a\u8ba4\u4e3a\u77f3\u82f1\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u4e3b\u8981\u5e94\u7528\u9886\u57df\u4e3a\u65e0\u7ebf\u3001\u6709\u7ebf\u3001\u6570\u636e\u4e2d\u5fc3\u4ee5\u53ca\u5de5\u4e1a\uff0f\u6d88\u8d39\u7c7b\u7535\u5b50\u3002\u56e0\u6b64\uff0c\u751f\u4ea7\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u7684\u516c\u53f8\u5fc5\u987b\u80fd\u591f\u5b9e\u73b0\u5927\u91cf\u751f\u4ea7\uff0c\u8fd9\u4e00\u70b9\u975e\u5e38\u91cd\u8981\u3002 \u6cf0\u827a\u662f\u53f0\u6e7e\u62e5\u6709\u751f\u4ea7\u539f\u6750\u77f3\u82f1\u6676\u68d2\u6280\u672f\u7684\u5148\u9a71\u3002\u6cf0\u827a\u7814\u53d1\u5904\u957f\u9093\u5fd7\u76ca\u5148\u751f\u8868\u793a\uff1a\u300c\u6211\u4eec\u662f\u7ee7\u7231\u666e\u751f\u4e4b\u540e\uff0c\u5177\u6709\u751f\u4ea7\u9ad8\u9891\u57fa\u672c\u6ce2 inverted-mesa \u82af\u7247\u7684\u9ec4\u5149\u5fae\u5f71\u6280\u672f\u7684\u5168\u7403\u9886\u5bfc\u516c\u53f8\u4e4b\u4e00\u3002\u300d \u6cf0\u827a\u7535\u5b50\u63d0\u4f9b\u54ea\u4e9b\u4ea7\u54c1\uff1f \u5b9a\u65f6\u6a21\u5757 (Timing Module) \u6cf0\u827a\u6700\u53d7\u6b22\u8fce\u7684\u4ea7\u54c1\u4e4b\u4e00\u662f\u5b9a\u65f6\u6a21\u5757\uff0c\u5f53\u4e2d\u5305\u62ec DT-6565\u3002DT-6565 \u4f7f\u7528 GPS \u9a6f\u670d\u632f\u8361\u5668\u6765\u786e\u4fdd\u7eb3\u79d2\u7ea7\u7684\u7cbe\u5ea6\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u73af\u5883\u4e0b\u8fdb\u884c \u5b9a\u65f6\u548c\u5b9a\u4f4d\uff0c\u5982\u96f7\u8fbe\u3001\u536b\u661f\u548c\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u3002 DT-6565 \u7684\u5353\u8d8a\u4e4b\u5904\uff0c\u5728\u4e8e\u5176\u5b9a\u65f6\u529f\u80fd\u8db3\u4ee5\u4e0e\u539f\u5b50\u949f\u5ab2\u7f8e\uff0c\u5728 24 \u5c0f\u65f6\u5185holdover \u6027\u80fd\u4e3a 1.5us\uff0c\u5728\u5c3a\u5bf8\u76f8\u8fd1\u7684\u5b9a\u65f6\u6a21\u5757\u4e2d\uff0cDT-6565 \u8fdc\u8fdc \u8d85\u8d8a\u884c\u4e1a\u6807\u51c6\u3002   \u6052\u6e29\u63a7\u5236\u77f3\u82f1\u632f\u8361\u5668 (OCXO) \u6052\u6e29\u63a7\u5236\u77f3\u82f1\u632f\u8361\u5668\u4f7f\u77f3\u82f1\u5728\u300c\u6052\u6e29\u7bb1\u300d\u4e2d\u52a0\u70ed\uff0c\u4ece\u800c\u4fdd\u62a4\u6676\u4f53\u514d\u53d7\u6e29\u5ea6\u3001\u91cd\u529b\u548c\u632f\u52a8\u7b49\u5916\u90e8\u53d8\u5316\u7684\u5f71\u54cd\u3002\u8fd9\u6837\u53ef\u786e\u4fdd\u632f\u8361\u5668\u7684\u9891\u7387\u548c\u6027\u80fd\uff0c\u7686\u7ef4\u6301\u5728\u9ad8\u7a33\u5b9a\u4e14\u51c6\u786e\u7684\u6c34\u5e73\u3002\u901a\u8fc7\u6301\u7eed\u7814\u7a76\u4ea7\u54c1\u7684\u8010\u73af\u5883\u6027\uff0c\u6cf0\u827a\u7684 OCXO\u8001\u5316\u7387\u975e\u5e38\u4f4e\uff0c\u6bcf\u5e74\u4ec5\u4e3a 0.2 ppm\uff0c\u800c\u5176\u76f8\u4f4d\u566a\u58f0\u7684 noise floor \u53ef\u8fbe\u5230 -180dBc\/Hz\u4e4b\u6c34\u5e73\uff0c\u8fdc\u4f4e\u4e8e\u5e02\u573a\u4e0a\u7684\u7ade\u4e89\u4ea7\u54c1\u3002 \u968f\u7740 5G \u7684\u5230\u6765\uff0cOCXO \u7684\u9700\u6c42\u6b63\u5728\u4e0a\u5347\u3002\u76ee\u524d\u8981\u8fd0\u4f5c\u4e00\u4e2a\u5c0f\u578b 5G \u57fa\u5730\u53f0\u81f3\u5c11\u9700\u8981\u4e00\u4e2a OCXO\uff0c\u800c\u4e00\u4e2a\u8f83\u5927\u7684\u57fa\u5730\u53f0\u53ef\u80fd\u9700\u8981\u8d85\u8fc7\u5341\u4e2aOCXO\u3002\u6cf0\u827a\u662f\u76ee\u524d\u4e9a\u6d32\u5c11\u6570\u7684 OCXO \u5236\u9020\u5546\u4e4b\u4e00\uff0c\u5728\u5168\u7403 OCXO \u5e02\u573a\u5360\u6709\u7387\u8d85\u8fc7 […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6,5],"tags":[],"class_list":["post-2690","post","type-post","status-publish","format-standard","hentry","category-6","category-5"],"yoast_head":"\n\u6cf0\u827a\u7535\u5b50\uff1a\u5f15\u9886\u53f0\u6e7e\u77f3\u82f1\u4ea7\u4e1a\u8d70\u8fdb\u65b05G\u65f6\u4ee3 - \u6cf0\u827a\u7535\u5b50\u80a1\u4efd\u6709\u9650\u516c\u53f8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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\u591a\u5e74\u6765\uff0c\u4ee5\u53f0\u6e7e\u4e3a\u603b\u90e8\u7684\u6cf0\u827a\uff0c\u4e0d\u65ad\u5728\u5168\u7403\u6269\u5c55\u4e1a\u52a1\uff0c\u4e8e\u53f0\u6e7e\u3001\u7f8e\u56fd\u548c\u4e2d\u56fd\u5747\u8bbe\u6709\u751f\u4ea7\u5de5\u5382\u3002 \u6cf0\u827a\u540d\u5217\u53f0\u6e7e\u524d 5000 \u5927\u578b\u4f01\u4e1a\uff0c\u662f\u53f0\u6e7e\u7b2c\u4e00\u5bb6\u5177\u5907\u6280\u672f\u53ca\u751f\u4ea7\u80fd\u529b\u5236\u9020\u539f\u6750\u77f3\u82f1\u6676\u68d2\u548c\u9ad8\u9891\u57fa\u672c\u6ce2 inverted-mesa \u82af\u7247\u7684\u516c\u53f8\uff0c\u56e0\u800c\u5728\u77f3\u82f1\u884c\u4e1a\u5efa\u7acb\u4e86\u9886\u5bfc\u8005\u7684\u5730\u4f4d\u3002 \u6cf0\u827a\u62e5\u6709\u4e8c\u5341\u591a\u9879\u53d1\u660e\u4e13\u5229\uff0c\u4e00\u76f4\u81f4\u529b\u4e8e\u7814\u53d1\u5e76\u5c06\u5176\u6536\u5165\u7684 4.4% \u6295\u5165\u4e8e\u65b0\u6280\u672f\u3002\u6beb\u65e0\u7591\u95ee\uff0c\u8981\u6ee1\u8db3 5G \u7ade\u8d5b\u4e2d\u8d85\u7cbe\u786e\u9891\u7387\u63a7\u5236\u7684\u65b0\u6280\u672f\u95e8\u574e\uff0c\u8fd9\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u73af\u3002 \u9891\u7387\u63a7\u5236\u7684\u91cd\u8981\u6027 \u9891\u7387\u63a7\u5236\u662f\u5927\u591a\u6570\u7535\u5b50\u4ea7\u54c1\u7684\u91cd\u8981\u90e8\u5206\u3002\u5728\u77f3\u82f1\u632f\u8361\u5668\u4e2d\uff0c\u77f3\u82f1\u80fd\u5728\u4fe1\u53f7\u4f20\u8f93\u65f6\u6d88\u9664\u566a\u58f0\u5e76\u7a33\u5b9a\u9891\u7387\uff0c\u4ece\u800c\u63d0\u5347\u5b9a\u65f6\u3001\u5b9a\u4f4d\u548c\u5bfc\u822a\u7684\u51c6\u786e\u6027\u3002 \u56e0\u6b64\uff0c\u77f3\u82f1\u632f\u8361\u5668\u5e7f\u6cdb\u5730\u4f7f\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\uff0c\u4ece\u822a\u5929\u7684\u9ad8\u7aef\u5e94\u7528\u5230\u5e38\u89c4\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\uff0c\u5982\u65f6\u949f\u3001\u7535\u8bdd\u3002\u6cf0\u827a\u8ba4\u4e3a\u77f3\u82f1\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u4e3b\u8981\u5e94\u7528\u9886\u57df\u4e3a\u65e0\u7ebf\u3001\u6709\u7ebf\u3001\u6570\u636e\u4e2d\u5fc3\u4ee5\u53ca\u5de5\u4e1a\uff0f\u6d88\u8d39\u7c7b\u7535\u5b50\u3002\u56e0\u6b64\uff0c\u751f\u4ea7\u9891\u7387\u63a7\u5236\u4ea7\u54c1\u7684\u516c\u53f8\u5fc5\u987b\u80fd\u591f\u5b9e\u73b0\u5927\u91cf\u751f\u4ea7\uff0c\u8fd9\u4e00\u70b9\u975e\u5e38\u91cd\u8981\u3002 \u6cf0\u827a\u662f\u53f0\u6e7e\u62e5\u6709\u751f\u4ea7\u539f\u6750\u77f3\u82f1\u6676\u68d2\u6280\u672f\u7684\u5148\u9a71\u3002\u6cf0\u827a\u7814\u53d1\u5904\u957f\u9093\u5fd7\u76ca\u5148\u751f\u8868\u793a\uff1a\u300c\u6211\u4eec\u662f\u7ee7\u7231\u666e\u751f\u4e4b\u540e\uff0c\u5177\u6709\u751f\u4ea7\u9ad8\u9891\u57fa\u672c\u6ce2 inverted-mesa \u82af\u7247\u7684\u9ec4\u5149\u5fae\u5f71\u6280\u672f\u7684\u5168\u7403\u9886\u5bfc\u516c\u53f8\u4e4b\u4e00\u3002\u300d \u6cf0\u827a\u7535\u5b50\u63d0\u4f9b\u54ea\u4e9b\u4ea7\u54c1\uff1f \u5b9a\u65f6\u6a21\u5757 (Timing Module) \u6cf0\u827a\u6700\u53d7\u6b22\u8fce\u7684\u4ea7\u54c1\u4e4b\u4e00\u662f\u5b9a\u65f6\u6a21\u5757\uff0c\u5f53\u4e2d\u5305\u62ec DT-6565\u3002DT-6565 \u4f7f\u7528 GPS \u9a6f\u670d\u632f\u8361\u5668\u6765\u786e\u4fdd\u7eb3\u79d2\u7ea7\u7684\u7cbe\u5ea6\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u73af\u5883\u4e0b\u8fdb\u884c \u5b9a\u65f6\u548c\u5b9a\u4f4d\uff0c\u5982\u96f7\u8fbe\u3001\u536b\u661f\u548c\u5173\u952e\u57fa\u7840\u8bbe\u65bd\u3002 DT-6565 \u7684\u5353\u8d8a\u4e4b\u5904\uff0c\u5728\u4e8e\u5176\u5b9a\u65f6\u529f\u80fd\u8db3\u4ee5\u4e0e\u539f\u5b50\u949f\u5ab2\u7f8e\uff0c\u5728 24 \u5c0f\u65f6\u5185holdover \u6027\u80fd\u4e3a 1.5us\uff0c\u5728\u5c3a\u5bf8\u76f8\u8fd1\u7684\u5b9a\u65f6\u6a21\u5757\u4e2d\uff0cDT-6565 \u8fdc\u8fdc \u8d85\u8d8a\u884c\u4e1a\u6807\u51c6\u3002   \u6052\u6e29\u63a7\u5236\u77f3\u82f1\u632f\u8361\u5668 (OCXO) \u6052\u6e29\u63a7\u5236\u77f3\u82f1\u632f\u8361\u5668\u4f7f\u77f3\u82f1\u5728\u300c\u6052\u6e29\u7bb1\u300d\u4e2d\u52a0\u70ed\uff0c\u4ece\u800c\u4fdd\u62a4\u6676\u4f53\u514d\u53d7\u6e29\u5ea6\u3001\u91cd\u529b\u548c\u632f\u52a8\u7b49\u5916\u90e8\u53d8\u5316\u7684\u5f71\u54cd\u3002\u8fd9\u6837\u53ef\u786e\u4fdd\u632f\u8361\u5668\u7684\u9891\u7387\u548c\u6027\u80fd\uff0c\u7686\u7ef4\u6301\u5728\u9ad8\u7a33\u5b9a\u4e14\u51c6\u786e\u7684\u6c34\u5e73\u3002\u901a\u8fc7\u6301\u7eed\u7814\u7a76\u4ea7\u54c1\u7684\u8010\u73af\u5883\u6027\uff0c\u6cf0\u827a\u7684 OCXO\u8001\u5316\u7387\u975e\u5e38\u4f4e\uff0c\u6bcf\u5e74\u4ec5\u4e3a 0.2 ppm\uff0c\u800c\u5176\u76f8\u4f4d\u566a\u58f0\u7684 noise floor \u53ef\u8fbe\u5230 -180dBc\/Hz\u4e4b\u6c34\u5e73\uff0c\u8fdc\u4f4e\u4e8e\u5e02\u573a\u4e0a\u7684\u7ade\u4e89\u4ea7\u54c1\u3002 \u968f\u7740 5G \u7684\u5230\u6765\uff0cOCXO \u7684\u9700\u6c42\u6b63\u5728\u4e0a\u5347\u3002\u76ee\u524d\u8981\u8fd0\u4f5c\u4e00\u4e2a\u5c0f\u578b 5G 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