{"id":4289,"date":"2025-08-22T08:59:11","date_gmt":"2025-08-22T08:59:11","guid":{"rendered":"https:\/\/commmesh.com\/?p=4289"},"modified":"2026-07-20T01:13:17","modified_gmt":"2026-07-20T01:13:17","slug":"distributed-acoustic-sensing-das","status":"publish","type":"post","link":"https:\/\/commmesh.com\/am\/distributed-acoustic-sensing-das\/","title":{"rendered":"\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1233\u123d (DAS) \u121d\u1295\u12f5\u1295 \u1290\u12cd"},"content":{"rendered":"<p>\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12a0\u12ae\u1235\u1272\u12ad \u1234\u1295\u1232\u1295\u130d (DAS) \u1260\u1235\u121c\u1275\u1293 \u1260\u12ad\u1275\u1275\u120d \u1218\u1235\u12ad \u12a5\u1295\u12f0 \u1275\u122b\u1295\u1235\u134e\u122d\u121c\u123d\u1295 \u1274\u12ad\u1296\u120e\u1302 \u1265\u1245 \u1265\u120f\u120d\u1362 \u12e8\u1218\u1220\u1228\u1270 \u120d\u121b\u1275 \u134d\u120b\u130e\u1276\u127d \u12a5\u1295\u12f0 \u12a2\u1290\u122d\u1302\u1363 \u12f0\u1205\u1295\u1290\u1275 \u12a5\u1293 \u12e8\u12a0\u12ab\u1263\u1262 \u12ad\u1275\u1275\u120d \u1263\u1209 \u12d8\u122d\u134e\u127d \u12a5\u12eb\u12f0\u1309 \u1232\u1204\u12f1\u1363 DAS \u12c8\u132a \u1246\u1323\u1262 \u12a5\u1293 \u12a8\u134d\u1270\u129b \u1325\u122b\u1275 \u12eb\u1208\u12cd \u12a0\u121b\u122b\u132d \u12a8\u1263\u1205\u120b\u12ca \u12f3\u1233\u123e\u127d \u12eb\u1240\u122d\u1263\u120d\u1362 \u12ed\u1205 \u1218\u1218\u122a\u12eb \u12e8\u12f2\u12a4\u12a4\u1235\u1295 \u1218\u122d\u1206\u12ce\u127d\u1363 \u12a0\u1355\u120a\u12ac\u123d\u1296\u127d\u1363 \u1270\u130d\u12f3\u122e\u1276\u127d \u12a5\u1293 \u12e8\u12c8\u12f0\u134a\u1275 \u12a0\u12dd\u121b\u121a\u12eb\u12ce\u127d\u1295 \u12ed\u12f3\u1235\u1233\u120d\u1363 \u1260\u1245\u122d\u1265 \u130a\u12dc \u12e8\u1270\u123b\u123b\u1209 \u12a5\u12f5\u1308\u1276\u127d\u1295 \u1260\u1218\u1233\u120d \u12a5\u1293 \u1260\u1274\u120c\u12ae\u1219\u1292\u12ac\u123d\u1295\u1363 \u121d\u1205\u1295\u12f5\u1235\u1293 \u12a5\u1293 \u1270\u12db\u121b\u1305 \u1218\u1235\u12ae\u127d \u12a8CommMesh \u12e8\u1218\u134d\u1275\u1204 \u1203\u1233\u1266\u127d\u1295 \u1208\u121b\u130d\u1298\u1275 \u12e8\u1270\u12d8\u130b\u1300\u1362<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1233\u123d \u1218\u130d\u1262\u12eb<\/h2>\n\n\n\n<p>\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12a0\u12ae\u1235\u1272\u12ad \u1234\u1295\u1232\u1295\u130d (DAS) \u1218\u12f0\u1260\u129b \u134b\u12ed\u1260\u122d \u12a6\u1355\u1272\u12ad \u12ac\u1265\u120e\u127d\u1295 \u12c8\u12f0 \u1240\u1323\u12ed\u1290\u1275 \u12e8\u121a\u1240\u12ed\u122d\u1363 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u121e\u1308\u12f5\u1295\u1363 \u1295\u12dd\u1228\u1275\u1295 \u12a5\u1293 \u12cd\u1325\u1228\u1275\u1295 \u1208\u1218\u1208\u12e8\u1275 \u12e8\u121a\u1230\u122b\u1329 \u12f3\u1233\u123e\u127d\u1295 \u12e8\u121a\u1240\u12ed\u122d \u12a6\u1355\u1272\u12ab\u120d \u134b\u12ed\u1260\u122d \u120b\u12ed \u12e8\u1270\u1218\u1230\u1228\u1270 \u1274\u12ad\u1296\u120e\u1302 \u1290\u12cd\u1362 \u12a8\u1270\u1208\u1218\u12f1\u1275 \u12e8\u1290\u1325\u1265 \u12f3\u1233\u123e\u127d \u1260\u1270\u1208\u12e8\u1363 DAS \u1219\u1209\u12cd\u1295 \u12e8\u134b\u12ed\u1260\u122d \u122d\u12dd\u1218\u1275\u2014\u1265\u12d9\u12cd\u1295 \u130a\u12dc \u12aa\u120e \u121c\u1275\u122d \u122d\u12dd\u1218\u1275 \u12eb\u1208\u12cd\u2014\u12a5\u1295\u12f0 \u12f3\u1233\u123d \u12a0\u12ab\u120d \u12ed\u1320\u1240\u121b\u120d\u1363 \u12ed\u1205\u121d \u1218\u1228\u1303\u1295 \u12a5\u1235\u12a8 \u121c\u1275\u122e\u127d \u12f5\u1228\u1235 \u12e8\u1218\u1308\u129b \u1266\u1273 \u1325\u122b\u1275 \u12eb\u1240\u122d\u1263\u120d\u1362 \u1274\u12ad\u1296\u120e\u1302\u12cd \u1260 Rayleigh backscattering \u120b\u12ed \u12e8\u1270\u1218\u1230\u1228\u1270 \u1232\u1206\u1295 \u1260\u134b\u12ed\u1260\u122d \u1260\u12a9\u120d \u12e8\u121a\u120b\u12a9 \u12e8\u1265\u122d\u1203\u1295 \u121d\u1276\u127d \u12a8\u12a0\u12ae\u1235\u1272\u12ad \u1228\u1265\u123b\u12ce\u127d \u130b\u122d \u1218\u1235\u1270\u130b\u1265\u122d \u1260\u1218\u134d\u1320\u122d \u12c8\u12f0 \u12ab\u122d\u1273 \u12ad\u1235\u1270\u1276\u127d \u12e8\u121a\u1270\u1290\u1270\u1290\u12cd\u1295 \u12e8\u128b\u120b \u12e8\u1270\u1260\u1273\u1270\u1290 \u121d\u120d\u12ad\u1275 \u12ed\u1208\u12cd\u1323\u1209\u1362<\/p>\n\n\n\n<p>\u1260\u1218\u1300\u1218\u122a\u12eb \u12601980\u12ce\u1279 \u1208\u12d8\u12ed\u1275 \u12a5\u1293 \u130b\u12dd \u134d\u1208\u130b \u12e8\u12f3\u1260\u1228\u1363 DAS \u1260\u12a8\u134d\u1270\u129b \u12f0\u1228\u1303 \u12dd\u130d\u1218\u1270 \u1208\u12cd\u1325 \u12a0\u1233\u12ed\u1277\u120d\u1363 \u1232\u1235\u1270\u121e\u127d \u12a0\u1201\u1295 \u12a80.001 \u12b8\u122d\u12dd \u12a5\u1235\u12a8 \u1265\u12d9 \u12aa\u120e \u12b8\u122d\u12dd \u12a5\u1235\u12a8 100 \u12aa.\u121c \u122d\u1240\u1275 \u120b\u12ed \u12eb\u1208\u12cd\u1295 \u12f5\u130d\u130d\u121e\u123d \u1218\u1208\u12e8\u1275 \u12e8\u121a\u127d\u1209 \u1293\u1278\u12cd\u1362 \u12a5.\u12a4.\u12a0. \u12a82025 \u1300\u121d\u122e \u12e8\u12f2\u12a4\u12a4\u1235 \u121b\u1230\u121b\u122b\u1276\u127d \u12a8\u1218\u122c\u1275 \u1260\u1273\u127d \u12a8\u1218\u12a8\u1273\u1270\u120d \u1263\u1208\u1348 \u12c8\u12f0 \u12a8\u1270\u121b \u1218\u1220\u1228\u1270 \u120d\u121b\u1275 \u12a5\u1293 \u12e8\u1263\u1205\u122d \u12a0\u1355\u120a\u12ac\u123d\u1296\u127d \u1270\u1235\u134b\u134d\u1270\u12cb\u120d\u1363 \u12ed\u1205\u121d \u12c8\u122b\u122a \u1263\u120d\u1206\u1291\u1363 \u120a\u1208\u12a9 \u12e8\u121a\u127d\u1209 \u12e8\u130d\u1295\u12db\u1264 \u121b\u1235\u1328\u1260\u132b \u1218\u134d\u1275\u1204\u12ce\u127d \u12a0\u1235\u1348\u120b\u130a\u1290\u1275 \u1290\u12cd\u1362 \u12602024 \u130d\u121d\u1308\u121b \u1218\u1230\u1228\u1275\u1363 DAS \u12eb\u1208 \u1270\u1328\u121b\u122a \u1203\u122d\u12f5\u12cc\u122d \u1325\u1245\u1325\u1245 \u12eb\u1209 \u1270\u12a8\u1273\u1273\u12ed \u1218\u1208\u12aa\u12eb\u12ce\u127d\u1295 \u1260\u121b\u1245\u1228\u1265 \u1260\u1232\u12dd\u121d\u120e\u1302 \u12a5\u1293 \u12f0\u1205\u1295\u1290\u1275 \u1241\u120d\u134d \u1218\u1233\u122a\u12eb \u1206\u1297\u120d\u1362<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/08\/das.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"683\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/08\/das.jpg\" alt=\"\u12f3\u1235\" class=\"wp-image-4292\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/08\/das.jpg 1000w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/08\/das-300x205.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/08\/das-768x525.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/08\/das-18x12.jpg 18w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/08\/das-600x410.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption class=\"wp-element-caption\">\u12f3\u1235<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1233\u123d \u1218\u122d\u1206\u12ce\u127d<\/h2>\n\n\n\n<p>The core principle of DAS involves interrogating an optical fiber with laser pulses and analyzing the backscattered light to detect acoustic perturbations. Here&#8217;s a breakdown of the key mechanisms:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u12e8\u1328\u1228\u122d \u121d\u122d\u1218\u122b<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u1270\u1240\u1293\u1300 \u12e8\u120c\u12d8\u122d \u121d\u1295\u132d \u1260 1550 nm \u12e8\u121e\u1308\u12f5 \u122d\u12dd\u1218\u1275 \u12cd\u1235\u1325 \u12a0\u132b\u132d\u122d \u12e8\u120d\u1265 \u121d\u1275 (\u1260\u1270\u1208\u12ed \u12a810-100 ns \u1246\u12ed\u1273) \u12c8\u12f0 \u134b\u12ed\u1260\u122d \u12eb\u1218\u1290\u132b\u120d\u1362 \u1265\u122d\u1203\u1291 \u1260\u12cb\u1293\u12cd \u12cd\u1235\u1325 \u12ed\u1313\u12db\u120d, \u12a5\u1293 \u1275\u1295\u123d \u12ad\u134d\u120d\u134b\u12ed \u1260\u1218\u1235\u1273\u12c8\u1275 \u12cd\u1235\u1325 \u1260\u12a0\u1309\u120a \u1218\u1290\u133d\u122d \u1260\u121b\u12ed\u1273\u12e9 \u12a2\u1295\u1206\u121e\u1302\u1296\u127d \u121d\u12ad\u1295\u12eb\u1275 \u1260 Rayleigh \u1218\u1260\u1273\u1270\u1295 \u121d\u12ad\u1295\u12eb\u1275 \u12c8\u12f0 \u128b\u120b \u1270\u1260\u1273\u1275\u1297\u120d.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Rayleigh Backscattering<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u12a0\u12ae\u1235\u1272\u12ad \u121e\u1308\u12f6\u127d \u12c8\u12ed\u121d \u1295\u12dd\u1228\u1276\u127d \u1260\u1243\u132b\u12cd \u12cd\u1235\u1325 \u12e8\u12a0\u12ab\u1263\u1262\u12eb\u12ca \u132b\u1293 \u12eb\u1235\u12a8\u1275\u120b\u1209, \u12e8\u1300\u122d\u1263\u12cd\u1295 \u1265\u122d\u1203\u1295 \u12f0\u1228\u1303 \u12c8\u12ed\u121d \u12f5\u130d\u130d\u121e\u123d \u12ed\u1240\u12ed\u122b\u1209. \u12ed\u1205 \u1348\u1228\u1243 \u12e8\u121a\u1273\u12e8\u12cd \u12a5\u1295\u12f0 \u12f0\u1228\u1303-sensitive optical time-domain reflectometry (\u03c6-OTDR) \u1260\u1218\u1233\u1230\u1209 \u12e8\u12a2\u1295\u1270\u122d\u134c\u122e\u121c\u1275\u122a\u12ad \u1274\u12ad\u1292\u12ae\u127d\u1295 \u1260\u1218\u1320\u1240\u121d \u1290\u12cd\u1362<\/li>\n\n\n\n<li>\u1274\u12ad\u1292\u12ab\u120d \u121b\u1233\u1230\u1262\u12eb\u1361 \u12e8\u1266\u1273\u12cd \u1325\u122b\u1275 \u12e8\u121a\u12c8\u1230\u1290\u12cd \u1260 pulse \u12c8\u122d\u12f5 \u1290\u12cd (\u1208\u121d\u1233\u120c\u1361 10 ns \u12a8 1 \u121c\u1275\u122d \u1325\u122b\u1275 \u130b\u122d \u12ed\u12db\u1218\u12f3\u120d)\u1363 \u12e8\u1218\u12f3\u1230\u123b \u12ad\u120d\u1209 \u1260\u134b\u12ed\u1260\u122d \u1218\u1325\u134b\u1275 \u12e8\u1270\u1308\u12f0\u1260 \u1290\u12cd\u1363 \u1260\u1270\u1208\u12ed\u121d \u12a850-100 \u12aa.\u121c \u12eb\u1208 \u1270\u12f0\u130b\u130b\u121a\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u1232\u130d\u1293\u120d \u1202\u12f0\u1275<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u1270\u1218\u1208\u1230\u12cd \u121d\u120d\u12ad\u1275 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u1218\u1228\u1303\u1295 \u1208\u121b\u12cd\u1323\u1275 \u12e8\u1270\u1240\u1293\u1300 \u121b\u12c8\u1242\u12eb\u1295 \u12c8\u12ed\u121d \u1260\u1325\u1295\u12ab\u122c \u120b\u12ed \u12e8\u1270\u1218\u1230\u1228\u1271 \u12d8\u12f4\u12ce\u127d\u1295 \u1260\u1218\u1320\u1240\u121d \u12ed\u1240\u1295\u1233\u120d\u1362 \u12e8\u120b\u1241 \u1235\u120d\u1270 \u1240\u1218\u122e\u127d\u1363 \u134e\u122a\u12e8\u122d \u1275\u122b\u1295\u1235\u134e\u122d\u121e\u127d\u1295 \u1328\u121d\u122e\u1363 \u12e8\u121d\u12d5\u122b\u134d \u1208\u12cd\u1326\u127d\u1295 \u12c8\u12f0 \u12cd\u1325\u1228\u1275 (nanostrain \u12f0\u1228\u1303) \u12c8\u12ed\u121d \u12e8\u1295\u12dd\u1228\u1275 \u12cd\u1202\u1265 \u12ed\u1208\u12cd\u1323\u1209\u1362<\/li>\n\n\n\n<li>\u1208\u121d\u1233\u120c\u1363 \u1260\u12a8\u122d\u1230 \u121d\u12f5\u122d \u12a0\u1355\u120a\u12ac\u123d\u1296\u127d \u12cd\u1235\u1325\u1363 DAS \u1270\u1208\u12cb\u12cb\u132d \u12cd\u1325\u1228\u1275\u1295 \u12a5\u1235\u12a8 10^{-9} \u12cd\u1325\u1228\u1275\/\u221aHz \u12dd\u1245 \u1265\u120e \u1218\u1208\u12ab\u1275 \u12ed\u127d\u120b\u120d\u1363 \u12ed\u1205\u121d \u1235\u12cd\u122d \u12e8\u1218\u122c\u1275 \u1218\u1295\u1240\u1325\u1240\u1325 \u12ad\u1235\u1270\u1276\u127d\u1295 \u1218\u1208\u12e8\u1275 \u12eb\u1235\u127d\u120b\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u1235\u122d\u12d3\u1275 \u1270\u1208\u12cb\u132e\u127d<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u12f0\u1228\u1303-DAS<\/strong>\u1208\u12dd\u1245\u1270\u129b \u12f5\u130d\u130d\u121e\u123d \u12ad\u1235\u1270\u1276\u127d (\u1208\u121d\u1233\u120c \u12e8\u1218\u122c\u1275 \u1218\u1295\u1240\u1325\u1240\u1325) \u12a8\u134d\u1270\u129b \u1235\u121c\u1273\u12ca\u1290\u1275\u1362<\/li>\n\n\n\n<li><strong>\u1325\u1295\u12ab\u122c-DAS<\/strong>\u1208\u12a8\u134d\u1270\u129b-\u12f5\u130d\u130d\u121e\u123d \u1295\u12dd\u1228\u1276\u127d \u1240\u120b\u120d (\u1208\u121d\u1233\u120c \u12e8\u1275\u122b\u134a\u12ad \u12ad\u1275\u1275\u120d)\u1362<\/li>\n\n\n\n<li>\u1274\u12ad\u1292\u12ab\u120d \u121b\u1233\u1230\u1262\u12eb\u1361 \u12a8\u1290\u1263\u122d \u12e8\u1274\u120c\u12ae\u121d \u134b\u12ed\u1260\u122d \u130b\u122d \u1218\u12cb\u1203\u12f5 \u12a5\u1295\u12f0\u1308\u1293 \u121b\u1240\u1293\u1260\u122d \u12eb\u1235\u127d\u120b\u120d\u1363 \u12ed\u1205\u121d \u12e8\u121b\u1230\u121b\u122b\u1275 \u12c8\u132a\u1295 \u1260 50% \u12ed\u1240\u1295\u1233\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1233\u123d \u1218\u1270\u130d\u1260\u122a\u12eb\u12ce\u127d<\/h2>\n\n\n\n<p>DAS&#8217;s ability to provide continuous, real-time monitoring has led to widespread adoption across industries:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u12d8\u12ed\u1275 \u12a5\u1293 \u130b\u12dd \u134d\u1208\u130b<\/strong>\n<ul class=\"wp-block-list\">\n<li>DAS \u1208\u124b\u121a \u12e8\u1218\u122c\u1275 \u1218\u1295\u1240\u1325\u1240\u1325 \u1355\u122e\u134b\u12ed\u120d (VSP) \u12a5\u1293 \u12e8\u1309\u12f5\u1313\u12f5 \u12ad\u1275\u1275\u120d\u1363 \u12e8\u1348\u1233\u123d \u134d\u1230\u1275\u1295 \u12a5\u1293 \u1235\u1265\u122b\u1275\u1295 \u12601 \u121c\u1275\u122d \u12a810 \u12aa.\u121c \u1260\u120b\u12ed \u1309\u12f5\u1313\u12f6\u127d \u1260\u1218\u1208\u12e8\u1275 \u12eb\u1308\u1208\u130d\u120b\u120d\u1362 \u12a8\u1263\u1205\u120b\u12ca \u1302\u12a6\u134e\u1296\u127d \u130b\u122d \u1232\u1290\u1343\u1340\u122d \u126020% \u12e8\u12cd\u1203 \u121b\u1320\u122b\u1240\u121a\u12eb \u1263\u1205\u122a\u1295 \u1260\u121b\u123b\u123b\u120d \u1270\u1308\u1265\u122e \u12e8\u1218\u122c\u1275 \u1218\u1295\u1240\u1325\u1240\u1325 \u121d\u1235\u120d\u1295 \u12eb\u1235\u127d\u120b\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u1232\u12dd\u121e\u120e\u1302 \u12a5\u1293 \u1302\u12a6\u134a\u12da\u12ad\u1235<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u1325\u1245\u1325\u1245 \u12eb\u1209 \u12e8\u1234\u12ed\u1235\u121a\u12ad \u12f5\u122d\u12f5\u122d \u1208\u1218\u134d\u1320\u122d \u1260\u134b\u12ed\u1260\u122d \u1294\u1275\u12c8\u122d\u12ae\u127d \u120b\u12ed \u1270\u1230\u121b\u122d\u1277\u120d\u1363 DAS \u12e8\u1218\u122c\u1275 \u1218\u1295\u1240\u1325\u1240\u1325\u1295 \u12a5\u1235\u12a8 500 Hz \u12f5\u130d\u130d\u121e\u123d \u12ed\u12ed\u12db\u120d\u1363 \u12ed\u1205\u121d \u12e8\u1218\u122c\u1275 \u1218\u1295\u1240\u1325\u1240\u1325 \u1245\u12f5\u1218 \u121b\u1235\u1320\u1295\u1240\u1242\u12eb \u1235\u122d\u12d3\u1276\u127d\u1295 \u12ed\u1228\u12f3\u120d\u1362 \u1260\u12a8\u1270\u121e\u127d \u12a0\u12ab\u1263\u1262 \u121b\u12ed\u12ad\u122e\u1234\u12ed\u12dd\u121d\u1295 \u1260\u1218\u12cb\u1245\u122b\u12ca \u1324\u1293 \u121d\u12d8\u1293 \u12ed\u12a8\u1273\u1270\u120b\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u1218\u1220\u1228\u1270 \u120d\u121b\u1275 \u12ad\u1275\u1275\u120d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u1208\u1267\u1295\u1267 \u1218\u1235\u1218\u122d \u12a5\u1293 \u1208\u1263\u1261\u122d \u1200\u12f2\u12f5 \u12f2\u12a4\u12a4\u1235 50 \u12aa.\u121c \u1260\u12a0\u1295\u12f5 \u1320\u12eb\u1242 \u12e8\u121a\u1238\u134d\u1295 \u1293\u1296\u1235\u1273\u122b\u12ed\u1295 \u1235\u121c\u1273\u12ca\u1290\u1275 \u12eb\u120b\u1278\u12cd\u1295 \u134d\u1233\u123e\u127d\u1295 \u12c8\u12ed\u121d \u1323\u120d\u1243\u1308\u1265\u1290\u1276\u127d\u1295 \u12ed\u1208\u12eb\u120d\u1362 \u12e8\u1236\u1235\u1270\u129b \u12c8\u1308\u1295 \u1323\u120d\u1243 \u1308\u1265\u1290\u1275\u1295 (\u1208\u121d\u1233\u120c \u1218\u1246\u1348\u122d) \u1260\u12a5\u12cd\u1290\u1270\u129b \u130a\u12dc \u12ed\u1208\u12eb\u120d\u1363 \u12e8\u121d\u120b\u123d \u130a\u12dc\u1295 \u126030% \u12ed\u1240\u1295\u1233\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12f0\u1205\u1295\u1290\u1275 \u12a5\u1293 \u1354\u122a\u121c\u1275\u122d \u1325\u1260\u1243<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u1270\u1240\u1260\u1229 \u134b\u12ed\u1260\u122d\u12ce\u127d \u12a840 \u12aa.\u121c \u122d\u1240\u1275 \u1260\u120b\u12ed 5 \u121c\u1275\u122d \u1275\u12ad\u12ad\u1208\u129b\u1290\u1275 \u12eb\u120b\u1278\u12cd\u1295 \u12f1\u12ab\u12ce\u127d \u12c8\u12ed\u121d \u1270\u123d\u12a8\u122d\u12ab\u122a\u12ce\u127d\u1295 \u1260\u1218\u1208\u12e8\u1275 \u12a5\u1295\u12f0 \u121d\u1293\u1263\u12ca \u12a0\u1325\u122d \u12ed\u1220\u122b\u1209\u1362 \u1260\u12f5\u1295\u1260\u122d \u12f0\u1205\u1295\u1290\u1275 \u12a5\u1293 \u12c8\u1233\u129d \u1218\u1220\u1228\u1270 \u120d\u121b\u1275 \u12cd\u1235\u1325 \u1325\u1245\u121d \u120b\u12ed \u12e8\u12cb\u1208\u1363 DAS \u1260 AI \u121b\u1323\u122a\u12eb \u12a0\u121b\u12ab\u129d\u1290\u1275 \u12e8\u12cd\u1238\u1275 \u121b\u1295\u1242\u12eb\u12ce\u127d\u1295 \u12ed\u1240\u1295\u1233\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u12cd\u1245\u12eb\u1296\u1235 \u12a5\u1293 \u12e8\u1263\u1205\u122d \u12cd\u1235\u1325 \u1218\u1270\u130d\u1260\u122a\u12eb\u12ce\u127d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u1263\u1205\u122d \u1230\u122d\u1313\u1305 \u12ac\u1265\u120e\u127d \u12e8\u12cd\u1203 \u12cd\u1235\u1325 \u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1230\u1233\u1295 \u1208\u1231\u1293\u121a \u121b\u12c8\u1245 \u12a5\u1293 \u12e8\u1263\u1205\u122d \u12cd\u1235\u1325 \u12a0\u1325\u1262 \u12a5\u1295\u1235\u1233\u1275\u1295 \u1218\u12a8\u1273\u1270\u120d \u12eb\u1235\u127d\u120b\u120d\u1363 \u12a5\u1235\u12a8 100 \u12aa.\u121c \u12e8\u121a\u12f0\u122d\u1235 \u12ad\u120d\u120d \u12a5\u1293 \u12f5\u130d\u130d\u121e\u123d \u121d\u120b\u123d 1 kHz\u1362<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>Technical Note: DAS&#8217;s scalability allows integration with existing telecom infrastructure, turning 1000 km of fiber into a sensor array equivalent to 100,000 point sensors.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u12e8\u1274\u12ad\u1292\u12ad \u12ad\u134d\u120e\u127d \u12a5\u1293 \u12e8\u1235\u122d\u12d3\u1275 \u1295\u12f5\u134d<\/h2>\n\n\n\n<p>\u12e8DAS \u1235\u122d\u12d3\u1276\u127d \u1260\u122d\u12ab\u1273 \u1241\u120d\u134d \u12a0\u12ab\u120b\u1275\u1295 \u12eb\u1240\u1348 \u1290\u12cd\u1361-<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u1320\u12eb\u1242 \u12ad\u134d\u120d<\/strong>\n<ul class=\"wp-block-list\">\n<li>The &#8220;brain&#8221; of DAS, it generates laser pulses (1\u201310 kHz repetition rate) and analyzes backscattered light with photodetectors and DSP chips. Modern units achieve 1 m spatial resolution and 100 km range.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u134b\u12ed\u1260\u122d \u12a6\u1355\u1272\u12ad \u1308\u1218\u12f5<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u1218\u12f0\u1260\u129b <a href=\"https:\/\/commmesh.com\/am\/single-mode-vs-multimode-fiber\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1290\u1320\u120b-\u1201\u1290\u1273 \u12ad\u122e\u127d<\/a> (9\/125 \u03bcm) \u1325\u1245\u121d \u120b\u12ed \u12ed\u12cd\u120b\u1209, \u12dd\u1245\u1270\u129b \u12a0\u1274\u1295\u123d\u1295 (0.2 \u12f2\u1262\u1262 \/ \u12aa\u121c) \u1260 1550 nm. \u12a8\u134d \u12eb\u1208 \u12e8 Rayleigh \u1218\u1260\u1270\u1295 \u12eb\u120b\u1278\u12cd \u12e8\u1270\u123b\u123b\u1209 \u134b\u12ed\u1260\u122d \u1260 10% \u1235\u121c\u1273\u12ca\u1290\u1275\u1295 \u12eb\u123b\u123d\u120b\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u1232\u130d\u1293\u120d \u1202\u12f0\u1275 \u1236\u134d\u1275\u12cc\u122d<\/strong>\n<ul class=\"wp-block-list\">\n<li>AI \u1235\u120d\u1270 \u1240\u1218\u122e\u127d \u12e8\u12ad\u1235\u1270\u1275 \u121d\u12f0\u1263 (\u1208\u121d\u1233\u120c\u1363 \u1270\u123d\u12a8\u122d\u12ab\u122a \u12a5\u1293 \u12a5\u1295\u1235\u1233\u1275) \u1218\u1228\u1303\u1295 \u1260\u121b\u123d\u1295 \u1218\u121b\u122d \u12e8\u12cd\u1238\u1275 \u12a0\u12c8\u1295\u1276\u127d\u1295 \u126025% \u12ed\u1240\u1295\u1233\u1209\u1362<\/li>\n\n\n\n<li>\u1274\u12ad\u1292\u12ab\u120d \u121b\u1235\u1273\u12c8\u123b\u1361 \u1348\u1323\u1295 \u134e\u122a\u12e8\u122d \u1275\u122b\u1295\u1235\u134e\u122d\u121d (\u12a4\u134d\u12a4\u134d\u1272) \u12a8 0.001 Hz \u12c8\u12f0 kHz \u1295\u12dd\u1228\u1276\u127d\u1295 \u1260\u1218\u1208\u12e8\u1275 \u12e8\u130a\u12dc-\u130e\u122b \u121d\u120d\u12ad\u1276\u127d\u1295 \u12c8\u12f0 \u12f5\u130d\u130d\u121e\u123d \u1235\u1354\u12ad\u1275\u122b\u1290\u1275 \u12ed\u1208\u12cd\u1323\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12a8\u120c\u120e\u127d \u1274\u12ad\u1296\u120e\u1302\u12ce\u127d \u130b\u122d \u1218\u1240\u120b\u1240\u120d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12f5\u1265\u120d\u1245 \u1232\u1235\u1270\u121e\u127d DAS\u1295 \u12a8\u1270\u12a8\u134b\u1348\u1208 \u12e8\u1219\u1240\u1275 \u12f3\u1230\u1233 (DTS) \u130b\u122d \u1260\u121b\u1323\u1218\u122d \u1208\u1265\u12d9-\u1218\u1208\u12aa\u12eb \u12ad\u1275\u1275\u120d\u1363 \u1260\u1267\u1295\u1267 \u1218\u1235\u1218\u122e\u127d \u12cd\u1235\u1325 \u12600.1\u00b0C \u1275\u12ad\u12ad\u1208\u129b\u1290\u1275 \u12e8\u121a\u1295\u1320\u1263\u1320\u1261\u1275\u1295 \u1208\u1218\u1208\u12e8\u1275 \u1325\u1245\u121d \u120b\u12ed \u12ed\u12cd\u120b\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u1260\u1270\u12a8\u134b\u1348\u1208 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1233\u123d \u12cd\u1235\u1325 \u12eb\u1209 \u1270\u130d\u12f3\u122e\u1276\u127d<\/h2>\n\n\n\n<p>\u121d\u1295\u121d \u12a5\u1295\u12b3\u1295 \u1325\u1245\u121e\u1279 \u1262\u1296\u1229\u121d \u1363 DAS \u1265\u12d9 \u1218\u1230\u1293\u12ad\u120e\u127d\u1295 \u12eb\u130b\u1325\u1218\u12cb\u120d\u1362<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u132b\u132b\u1273 \u12a5\u1293 \u1235\u121c\u1273\u12ca\u1290\u1275 \u1309\u12f3\u12ee\u127d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u12f5\u1263\u1265 \u132b\u132b\u1273 (\u1208\u121d\u1233\u120c \u1295\u134b\u1235 \u12c8\u12ed\u121d \u1275\u122b\u134a\u12ad) \u12f0\u12ab\u121b \u121d\u120d\u12ad\u1276\u127d\u1295 \u1218\u12f0\u1260\u1245 \u12ed\u127d\u120b\u120d\u1363 \u12ed\u1205\u121d SNR \u12605-10 \u12f2\u1262\u1262 \u12ed\u1240\u1295\u1233\u120d\u1362 \u1218\u134d\u1275\u1214\u12cd\u1361 \u12e8\u120b\u1240 \u121b\u1323\u122a\u12eb \u12a5\u1293 \u12c8\u1325\u1290\u1275 \u12eb\u1208\u12cd \u121b\u12c8\u1242\u12eb \u120810^{-9} \u12cd\u1325\u1228\u1275\/\u221aHz \u1275\u1265\u1290\u1275\u1295 \u12eb\u123b\u123d\u120b\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u1266\u1273 \u1325\u122b\u1275 \u12a5\u1293 \u12ad\u120d\u120d \u130d\u1265\u12ed\u1275-\u1325\u134b\u1276\u127d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12a8\u134d\u1270\u129b \u1325\u122b\u1275 (1 \u121c\u1275\u122d) \u1260\u1232\u130d\u1293\u120d \u1218\u1240\u1290\u1235 \u121d\u12ad\u1295\u12eb\u1275 \u12a5\u1235\u12a8 50 \u12aa.\u121c. \u1218\u134d\u1275\u1214\u12cd\u1361 \u12e8\u1270\u12a8\u134b\u1348\u1208\u12cd \u122b\u121b\u1295 \u121b\u1309\u120b\u1275 5 \u121c\u1275\u122d \u1325\u122b\u1275\u1295 \u12a5\u12e8\u1320\u1260\u1240 \u12a5\u1235\u12a8 100 \u12aa\u120e \u121c\u1275\u122d \u12ed\u12f0\u122d\u1233\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u12cd\u1202\u1265 \u12a0\u1235\u1270\u12f3\u12f0\u122d<\/strong>\n<ul class=\"wp-block-list\">\n<li>DAS \u1260\u12e8\u1240\u1291 \u1274\u122b\u1263\u12ed\u1275 \u12cd\u1202\u1265 \u12eb\u1218\u1290\u132b\u120d (\u1208\u121d\u1233\u120c\u1361 1 \u1274\u1263\/\u12aa\u121c\/\u1260\u1240\u1295 \u12601 kHz \u1293\u1219\u1293)\u1363 \u12a5\u1305\u130d \u1260\u1323\u121d \u1265\u12d9 \u121b\u12a8\u121b\u127b\u1362 \u1218\u134d\u1275\u1204\u1361 Edge AI \u1218\u1228\u1303\u1295 \u1260\u1245\u133d\u1260\u1275 \u12eb\u12ab\u1202\u12f3\u120d\u1363 \u126080% \u12ed\u1328\u1218\u1243\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u1218\u132b\u1295 \u12a5\u1293 \u1270\u12b3\u128b\u129d\u1290\u1275<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u1290\u1263\u122d \u134b\u12ed\u1260\u122d\u1295 \u12a5\u1295\u12f0\u1308\u1293 \u121b\u1235\u1270\u12ab\u12a8\u120d \u12e8\u1274\u120c\u12ae\u121d \u12a0\u1348\u133b\u1338\u121d\u1295 \u12600.1 \u12f2\u1262\u1262 \u120a\u1240\u1295\u1235 \u12ed\u127d\u120b\u120d\u1362 \u1218\u134d\u1275\u1204\u1361 \u12e8\u12c8\u1230\u1291 \u1234\u1295\u1232\u1295\u130d \u134b\u12ed\u1260\u122d \u12c8\u12ed\u121d \u12f5\u1265\u120d\u1245 \u12e8\u1274\u120c\u12ae\u121d-DAS \u12ac\u1265\u120e\u127d \u1323\u120d\u1243 \u1308\u1265\u1290\u1275\u1295 \u12ed\u1240\u1295\u1233\u1209\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u12a0\u12ab\u1263\u1262 \u1201\u1294\u1273\u12ce\u127d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u12cd\u1203 \u12cd\u1235\u1325 DAS \u1260\u12cd\u1245\u12eb\u1296\u1235 \u12f5\u121d\u133d (\u12a5\u1235\u12a8 10 \u12f2\u1262\u1262 \u12a8\u134d \u12eb\u1208) \u12ed\u1230\u1243\u12eb\u120d\u1363 \u12ed\u1205\u121d \u12e8\u1218\u1208\u12e8\u1275 \u1275\u12ad\u12ad\u1208\u129b\u1290\u1275\u1295 \u12ed\u1240\u1295\u1233\u120d\u1362 \u1218\u134d\u1275\u1204\u1361 \u12f5\u130d\u130d\u121e\u123d-\u12e8\u1270\u1218\u1228\u1321 \u1235\u120d\u1270 \u1240\u1218\u122e\u127d \u121d\u120d\u12ad\u1276\u127d\u1295 \u12ed\u1208\u12eb\u1209\u1362<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u1274\u12ad\u1292\u12ab\u120d \u121b\u1233\u1230\u1262\u12eb\u1361 \u1270\u130d\u12f3\u122e\u1276\u127d \u1260\u1263\u1208\u1265\u12d9 \u1270\u1320\u1243\u121a \u134b\u12ed\u1260\u122d \u12cd\u1235\u1325 \u1270\u1320\u1293\u12ad\u1228\u12cb\u120d\u1363 \u12e8\u1274\u120c\u12ae\u121d \u1275\u122b\u134a\u12ad \u12e8\u120d\u1265 \u121d\u1275\u1295 \u1260\u121a\u1218\u1208\u12a8\u1275 \u1323\u120d\u1243 \u12ed\u1308\u1263\u120d\u1362<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u1260\u1270\u12a8\u134b\u1348\u1208 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1233\u123d \u12e8\u12c8\u12f0\u134a\u1275 \u12a0\u12dd\u121b\u121a\u12eb\u12ce\u127d<\/h2>\n\n\n\n<p>DAS \u12a8 2025 \u1300\u121d\u122e \u1309\u120d\u1205 \u1208\u1206\u1291 \u12a5\u12f5\u1308\u1276\u127d \u12dd\u130d\u1301 \u1290\u12cd\u1361<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>AI \u12a5\u1293 \u12e8\u121b\u123d\u1295 \u1218\u121b\u122a\u12eb \u12cd\u1205\u12f0\u1275<\/strong>\n<ul class=\"wp-block-list\">\n<li>AI enhances event classification, reducing false alarms by 30% and enabling predictive maintenance. Dekam-Fiber&#8217;s 2025 prototypes use ML for real-time strain mapping.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u1270\u122b\u12d8\u1218 \u12ad\u120d\u120d \u12a5\u1293 \u1218\u134d\u1275\u1204<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12a0\u12f2\u1235 \u12e8\u134b\u12ed\u1260\u122d \u12f2\u12db\u12ed\u1296\u127d \u12a8\u1270\u123b\u123b\u1208\u12cd \u12e8\u122c\u12ed\u120a\u130d \u1265\u1270\u1293 \u130b\u122d \u12c8\u12f0 200 \u12aa\u121c \u12600.5 \u121c\u1275\u122d \u1325\u122b\u1275 \u12ed\u1308\u134b\u134b\u1209\u1363 \u1260\u12b3\u1295\u1270\u121d \u12e8\u1270\u123b\u123b\u1208 \u121b\u12c8\u1242\u12eb\u1295 \u1260\u1218\u1320\u1240\u121d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u1263\u1208\u1265\u12d9 \u121e\u12f3\u120d \u12f3\u1233\u123d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12f2\u1243\u120b DAS-DTS-DBR \u1232\u1235\u1270\u121e\u127d \u12e8\u12a0\u12ae\u1235\u1272\u12ad\u1363 \u12e8\u1219\u1240\u1275 \u1218\u1320\u1295 \u12a5\u1293 \u132b\u1293 \u1260\u12a0\u1295\u12f5 \u130a\u12dc \u12ed\u1246\u1323\u1320\u122b\u1209\u1363 \u1208\u12a0\u1320\u1243\u120b\u12ed \u12e8\u1218\u1220\u1228\u1270 \u120d\u121b\u1275 \u1324\u1293 \u12600.1\u00b0C\/10^{-9} \u12cd\u1325\u1228\u1275\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12b3\u1295\u1270\u121d-\u12e8\u1270\u123b\u123b\u1208 DAS<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8\u12b3\u1295\u1270\u121d \u12f3\u1233\u123e\u127d \u120810 ^{-10} \u12cd\u1325\u1228\u1275\/\u221aHz\u1363 \u1208\u1302\u12a6\u134a\u12da\u12ab\u120d \u12a0\u1355\u120a\u12ac\u123d\u1296\u127d \u1270\u1235\u121b\u121a \u12e8\u1206\u1290\u1363 \u126020% \u12e8\u1270\u123b\u123b\u1208 \u121b\u12c8\u1242\u12eb\u1295 \u1260\u121a\u12eb\u1233\u12e9 \u1219\u12a8\u122b\u12ce\u127d \u1275\u1265\u1290\u1275\u1295 \u12eb\u1233\u12f5\u130b\u1209\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12d8\u120b\u1242\u1290\u1275 \u12a5\u1293 \u12c8\u132a \u1245\u1290\u1233<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u1208\u12a0\u12ab\u1263\u1262 \u1270\u1235\u121b\u121a \u1320\u12eb\u1242\u12ce\u127d (\u1283\u12ed\u120d\u1295 \u1260 20% \u1218\u1240\u1290\u1235) \u12a5\u1293 \u12a5\u1295\u12f0\u1308\u1293 \u1325\u1245\u121d \u120b\u12ed \u12e8\u12cb\u1209 \u134b\u12ed\u1260\u122d\u12ce\u127d \u12a8\u12a0\u1228\u1295\u1313\u12f4 \u1270\u1290\u1233\u123d\u1290\u1276\u127d \u130b\u122d \u1260\u121b\u1323\u1323\u121d \u12c8\u132a\u12ce\u127d\u1295 \u1260151TP3\u1272 \u12ed\u1240\u1295\u1233\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u1274\u12ad\u1292\u12ab\u120d \u121b\u1235\u1273\u12c8\u123b\u1361 6\u1302 \u12cd\u1205\u12f0\u1275 DAS\u1295 \u1208\u12a0\u12cd\u1273\u1228 \u1218\u1228\u1265 \u12f0\u1205\u1295\u1290\u1275 \u12ed\u1320\u1240\u121b\u120d\u1363 \u12e8\u1293\u1296\u1235\u1273\u122b\u12ed\u1295 \u1275\u12ad\u12ad\u1208\u129b\u1290\u1275\u1295 \u1260\u1218\u1208\u12e8\u1275\u1362<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u1260\u1270\u12a8\u134b\u1348\u1208 \u12e8\u12a0\u12ae\u1235\u1272\u12ad \u12f3\u1233\u123d \u120b\u12ed \u12e8\u1309\u12f3\u12ed \u1325\u1293\u1276\u127d<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u1260\u12e9\u12a4\u1235 \u12cd\u1235\u1325 \u12e8\u1290\u12f3\u1305 \u1267\u1295\u1267 \u1218\u1235\u1218\u122d \u12ad\u1275\u1275\u120d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12a0\u1295\u12f5 \u12cb\u1293 \u12e8\u12a2\u1290\u122d\u1302 \u12a9\u1263\u1295\u12eb \u12f3\u12a4\u1235\u1295 \u12a850 \u12aa.\u121c \u1260\u120b\u12ed \u12e8\u1267\u1295\u1267 \u1218\u1235\u1218\u122d \u12d8\u122d\u130d\u1277\u120d\u1363 \u134d\u1233\u123e\u127d\u1295 \u12605 \u121c\u1275\u122d \u1275\u12ad\u12ad\u1208\u129b\u1290\u1275 \u12a5\u1293 10^{-8} \u12e8\u132d\u1295\u1240\u1275 \u1235\u121c\u1275\u1295 \u1348\u120d\u130e \u12a0\u1308\u1298\u1362<\/li>\n\n\n\n<li>\u12cd\u1324\u1275\u1361- \u126025% \u12e8\u134d\u1233\u1275 \u12a0\u12f0\u130b\u12ce\u127d\u1295 \u1240\u1295\u1237\u120d\u1363 \u12ed\u1205\u121d \u1260\u121a\u120a\u12ee\u1295 \u12e8\u121a\u1246\u1320\u1229 \u12e8\u133d\u12f3\u1275 \u12c8\u132a\u12ce\u127d\u1295 \u1246\u1325\u1267\u120d\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u1260\u1303\u1353\u1295 \u12cd\u1235\u1325 \u12e8\u1234\u12ed\u1235\u121a\u12ad \u12a0\u12cd\u1273\u1228 \u1218\u1228\u1265<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u12e8100 \u12aa\u120e \u121c\u1275\u122d \u12e8\u12a8\u1270\u121b \u134b\u12ed\u1260\u122d \u12f5\u122d\u12f5\u122d \u121b\u12ed\u12ad\u122e\u1234\u12ed\u12dd\u121d\u1295 \u1260 kHz \u12f5\u130d\u130d\u121e\u123d \u121d\u120b\u123d \u12ed\u12a8\u1273\u1270\u120b\u120d\u1363 \u12ed\u1205\u121d \u1208\u1218\u122c\u1275 \u1218\u1295\u1240\u1325\u1240\u1325 \u1245\u12f5\u1218 \u121b\u1235\u1320\u1295\u1240\u1242\u12eb \u12ed\u1230\u1323\u120d\u1362<\/li>\n\n\n\n<li>\u12cd\u1324\u1275\u1361 \u12e8\u1270\u123b\u123b\u1208 \u12e8\u121d\u120b\u123d \u130a\u12dc\u12ce\u127d \u126010 \u1230\u12a8\u1295\u12f5\u1363 \u12e8\u1205\u12dd\u1265\u1295 \u12f0\u1205\u1295\u1290\u1275 \u1260\u121b\u130e\u120d\u1260\u1275\u1362<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u12e8\u12f5\u1295\u1260\u122d \u12f0\u1205\u1295\u1290\u1275 \u1260\u12a0\u12cd\u122e\u1353<\/strong>\n<ul class=\"wp-block-list\">\n<li>40 \u12aa.\u121c \u12e8\u1270\u1240\u1260\u1228 \u12e8\u134b\u12ed\u1260\u122d \u1235\u122d\u12d3\u1275 \u1260 99% \u1275\u12ad\u12ad\u1208\u129b\u1290\u1275 \u12e8\u1230\u12cd\u1295 \u1348\u1208\u130d \u12a8\u12a5\u1295\u1235\u1233 \u1208\u1218\u1208\u12e8\u1275 AI \u1260\u1218\u1320\u1240\u121d \u1323\u120d\u1243 \u1308\u1265\u1277\u120d \u1362<\/li>\n\n\n\n<li>\u12cd\u1324\u1275\u1361 \u12e8\u1200\u1230\u1275 \u121b\u1295\u1242\u12eb\u12ce\u127d\u1295 \u126040% \u1240\u1295\u1237\u120d\u1363\u12e8\u1203\u1265\u1275 \u12f5\u120d\u12f5\u120d\u1295 \u121b\u1218\u127b\u1278\u1275\u1362<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u121b\u1320\u1243\u1208\u12eb<\/h2>\n\n\n\n<p>\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12a0\u12ae\u1235\u1272\u12ad \u1234\u1295\u1232\u1295\u130d \u1260\u12a0\u1235\u122d \u12aa\u120e\u121c\u1275\u122d \u122d\u1240\u1275 \u120b\u12ed \u1295\u12dd\u1228\u1275\u1295 \u1260\u121c\u1275\u122d-\u1218\u1320\u1295 \u1348\u120d\u130e \u1208\u121b\u130d\u1298\u1275 \u12e8\u12a6\u1355\u1272\u12ab\u120d \u134b\u12ed\u1260\u122d\u1295 \u12c8\u12f0 \u1283\u12ed\u1208\u129b \u12a5\u1293 \u12e8\u1270\u12a8\u134b\u1348\u1209 \u12f3\u1233\u123e\u127d \u12ed\u1208\u12cd\u1323\u120d\u1362 \u1260 Rayleigh backscattering \u12a5\u1293 \u12e8\u12f0\u1228\u1303 \u1275\u1295\u1270\u1293 \u120b\u12ed \u12e8\u1270\u1218\u1230\u1228\u1271\u1275 \u1218\u122d\u1206\u1279 \u1260\u12d8\u12ed\u1275 \u12a5\u1293 \u130b\u12dd\u1363 \u1260\u1232\u12dd\u121d\u12a6\u120e\u1302\u1363 \u1260\u1218\u1220\u1228\u1270 \u120d\u121b\u1275\u1363 \u1260\u12f0\u1205\u1295\u1290\u1275 \u12a5\u1293 \u1260\u1263\u1205\u122d \u12a0\u12ab\u1263\u1262\u12ce\u127d \u12cd\u1235\u1325 \u1218\u1270\u130d\u1260\u122a\u12eb\u12ce\u127d\u1295 \u12eb\u1235\u127d\u120b\u1278\u12cb\u120d\u1362 \u12a5\u1295\u12f0 \u132b\u132b\u1273 \u12a5\u1293 \u12e8\u12cd\u1202\u1265 \u12a8\u1218\u1320\u1295 \u1260\u120b\u12ed \u1218\u132b\u1295 \u12eb\u1209 \u1270\u130d\u12f3\u122e\u1276\u127d \u1262\u1240\u1325\u1209\u121d\u1363 \u12a5\u1295\u12f0 AI \u12a5\u1293 hybrid systems \u12eb\u1209 \u1218\u134d\u1275\u1204\u12ce\u127d \u1274\u12ad\u1296\u120e\u1302\u12cd\u1295 \u12a5\u12eb\u122b\u1218\u12f1 \u1290\u12cd\u1362 \u12e8\u12b3\u1295\u1270\u121d \u121b\u123b\u123b\u12eb\u12ce\u127d\u1295 \u12a5\u1293 \u1218\u120d\u1272-\u121e\u12f3\u120d \u12f3\u1230\u1233\u1295 \u1328\u121d\u122e \u12e8\u12c8\u12f0\u134a\u1275 \u12a0\u12dd\u121b\u121a\u12eb\u12ce\u127d \u12e8\u1260\u1208\u1320 \u12e8\u120b\u1240 \u127d\u120e\u1273\u12ce\u127d\u1295 \u12a5\u1295\u12f0\u121a\u1230\u1321 \u1243\u120d \u1308\u1265\u1270\u12cb\u120d\u1362 \u1208DAS \u12e8\u1290\u1241 \u1218\u134d\u1275\u1204\u12ce\u127d\u1363 CommMesh\u1295 \u12eb\u1235\u1231\u1362<\/p>","protected":false},"excerpt":{"rendered":"<p>\u12e8\u1270\u12a8\u134b\u1348\u1208 \u12a0\u12ae\u1235\u1272\u12ad \u1234\u1295\u1232\u1295\u130d (DAS) \u1260\u1235\u121c\u1275\u1293 \u1260\u12ad\u1275\u1275\u120d \u1218\u1235\u12ad \u12a5\u1295\u12f0 \u1275\u122b\u1295\u1235\u134e\u122d\u121c\u123d\u1295 \u1274\u12ad\u1296\u120e\u1302 \u1265\u1245 \u1265\u120f\u120d\u1362 \u12e8\u1218\u1220\u1228\u1270 \u120d\u121b\u1275 \u134d\u120b\u130e\u1276\u127d \u12a5\u1295\u12f0 \u12a2\u1290\u122d\u1302\u1363 \u12f0\u1205\u1295\u1290\u1275 \u12a5\u1293 \u12e8\u12a0\u12ab\u1263\u1262 \u1241\u1325\u1325\u122d \u1263\u1209 \u12d8\u122d\u134e\u127d \u12a5\u12eb\u12f0\u1309 \u1232\u1204\u12f1\u1363 DAS \u12c8\u132a \u1246\u1323\u1262 \u12a5\u1293 \u12a8\u134d\u1270\u129b \u1325\u122b\u1275 \u12ab\u1208\u12cd \u1263\u1205\u120b\u12ca [...]<\/p>","protected":false},"author":2,"featured_media":4292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"34","_seopress_titles_title":"What Is Distributed Acoustic Sensing 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