{"id":21748,"date":"2022-04-16T07:50:22","date_gmt":"2022-04-16T12:50:22","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/measuring-distance-with-sound-waves\/"},"modified":"2025-01-21T03:44:27","modified_gmt":"2025-01-21T08:44:27","slug":"measuring-distance-with-sound-waves","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/ko\/measuring-distance-with-sound-waves\/","title":{"rendered":"\uc18c\ub9ac\uc758 \ud30c\ub3d9\uc73c\ub85c \uac70\ub9ac\ub97c \uce21\uc815\ud558\ub294 \uae30\uc220: \uc6d0\ub9ac\uc640 \uc751\uc6a9"},"content":{"rendered":"<p>\uc18c\ub9ac\ub294 \uc6b0\ub9ac \uc8fc\ubcc0\uc5d0 \ub04a\uc784\uc5c6\uc774 \uc874\uc7ac\ud558\uba70, \ub2e8\uc21c\ud788 \ub4e3\ub294 \uac83 \uc774\uc0c1\uc758 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \uc911 \ud558\ub098\uac00 \ubc14\ub85c \uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815\uc785\ub2c8\ub2e4. \ubc15\uc950\uac00 \ucd08\uc74c\ud30c\ub97c \uc774\uc6a9\ud558\uc5ec \uc5b4\ub460 \uc18d\uc5d0\uc11c\ub3c4 \uc790\uc720\ub86d\uac8c \ube44\ud589\ud558\ub294 \uac83\ucc98\ub7fc, \uc778\uac04 \ub610\ud55c \uc18c\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec \ub208\uc73c\ub85c \ubcfc \uc218 \uc5c6\ub294 \uacf3\uae4c\uc9c0\uc758 \uac70\ub9ac\ub97c \uc815\ud655\ud558\uac8c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815\uc758 \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \ud65c\uc6a9 \ubd84\uc57c\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc18c\ub9ac\uc758 \uc18d\ub3c4\uc640 \uac70\ub9ac \uce21\uc815 \uc6d0\ub9ac<\/h3>\n<p>\uc18c\ub9ac\ub294 \uacf5\uae30 \uc911\uc5d0\uc11c \uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uc804\ud30c\ub429\ub2c8\ub2e4. \uc774 \uc18d\ub3c4\ub294 \uc628\ub3c4\uc640 \uc2b5\ub3c4 \ub4f1 \uc8fc\ubcc0 \ud658\uacbd\uc5d0 \ub530\ub77c \uc57d\uac04\uc529 \ubcc0\ud558\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc73c\ub85c \ucd08\uc18d \uc57d 340\ubbf8\ud130\ub85c \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815\uc740 \ubc14\ub85c \uc774\ub7ec\ud55c \uc18c\ub9ac\uc758 \uc804\ud30c \uc18d\ub3c4\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \uce21\uc815 \uc7a5\uce58\uc5d0\uc11c \uc18c\ub9ac\ub97c \ubc1c\uc0dd\uc2dc\ud0a8 \ud6c4, \ubb3c\uccb4\uc5d0 \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc624\ub294 \uc18c\ub9ac(\uc5d0\ucf54)\ub97c \uac10\uc9c0\ud569\ub2c8\ub2e4. \uc18c\ub9ac\uac00 \ubc1c\uc0dd\ub41c \uc2dc\uc810\ubd80\ud130 \uc5d0\ucf54\uac00 \uac10\uc9c0\ub418\ub294 \uc2dc\uc810\uae4c\uc9c0\uc758 \uc2dc\uac04\uc744 \uce21\uc815\ud558\uace0, \uc774 \uc2dc\uac04\uc5d0 \uc18c\ub9ac\uc758 \uc18d\ub3c4\ub97c \uacf1\ud55c \ud6c4 2\ub85c \ub098\ub204\uba74 \uce21\uc815 \uc7a5\uce58\uc640 \ubb3c\uccb4 \uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.  \uc774\ub294 d = (v * t) \/ 2 \ub77c\ub294 \uac04\ub2e8\ud55c \uacf5\uc2dd\uc73c\ub85c \ud45c\ud604\ub420 \uc218 \uc788\uc73c\uba70, \uc5ec\uae30\uc11c d\ub294 \uac70\ub9ac, v\ub294 \uc18c\ub9ac\uc758 \uc18d\ub3c4, t\ub294 \uc18c\ub9ac\uac00 \uc655\ubcf5\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ucd08\uc74c\ud30c \uac70\ub9ac \uce21\uc815<\/h3>\n<p>\uc778\uac04\uc774 \ub4e4\uc744 \uc218 \uc788\ub294 \uac00\uccad \uc8fc\ud30c\uc218 \ub300\uc5ed\uc740 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uac70\ub9ac \uce21\uc815\uc5d0\ub294 \uc8fc\ub85c \uc778\uac04\uc774 \ub4e4\uc744 \uc218 \uc5c6\ub294 \ub192\uc740 \uc8fc\ud30c\uc218\uc758 \uc18c\ub9ac\uc778 \ucd08\uc74c\ud30c\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ucd08\uc74c\ud30c\ub294 \ud30c\uc7a5\uc774 \uc9e7\uc544 \ubc29\ud5a5\uc131\uc774 \uc88b\uace0, \ubb3c\uccb4\uc5d0 \ubc18\uc0ac\ub418\ub294 \ud2b9\uc131\uc774 \ub6f0\uc5b4\ub098 \uc815\ubc00\ud55c \uce21\uc815\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ub2e4\uc591\ud55c \ud65c\uc6a9 \ubd84\uc57c<\/h3>\n<p>\uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815 \uae30\uc220\uc740 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc790\ub3d9\ucc28 \ud6c4\ubc29 \uc8fc\ucc28 \uc13c\uc11c, \ub85c\ubd07\uc758 \uc790\uc728 \uc8fc\ud589, \uac74\ucd95 \ubc0f \ud1a0\ubaa9 \ubd84\uc57c\uc758 \uce21\ub7c9, \ud574\uc591 \ud0d0\uc0ac \ub4f1\uc774 \ub300\ud45c\uc801\uc778 \uc608\uc785\ub2c8\ub2e4. \ub610\ud55c \uc758\ub8cc \ubd84\uc57c\uc5d0\uc11c\ub294 \ucd08\uc74c\ud30c\ub97c \uc774\uc6a9\ud558\uc5ec \uc778\uccb4 \ub0b4\ubd80 \uc7a5\uae30\uc758 \ud615\ud0dc\uc640 \uc704\uce58\ub97c \ud655\uc778\ud558\ub294 \ucd08\uc74c\ud30c \uc9c4\ub2e8 \uc7a5\ube44\uac00 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\ubd84\uc57c<\/th>\n<th>\ud65c\uc6a9 \uc608\uc2dc<\/th>\n<th>\ud2b9\uc9d5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc790\ub3d9\ucc28<\/td>\n<td>\ud6c4\ubc29 \uc8fc\ucc28 \uc13c\uc11c, \uc790\uc728 \uc8fc\ud589 \uc2dc\uc2a4\ud15c<\/td>\n<td>\uc548\uc804\uc131 \ud5a5\uc0c1 \ubc0f \ud3b8\uc758\uc131 \uc99d\ub300<\/td>\n<\/tr>\n<tr>\n<td>\ub85c\ubd07<\/td>\n<td>\uc7a5\uc560\ubb3c \uac10\uc9c0 \ubc0f \uc790\uc728 \uc8fc\ud589<\/td>\n<td>\uc815\ubc00\ud55c \uc704\uce58 \uc778\uc2dd \ubc0f \uc81c\uc5b4<\/td>\n<\/tr>\n<tr>\n<td>\uac74\ucd95\/\ud1a0\ubaa9<\/td>\n<td>\uce21\ub7c9, \ube44\ud30c\uad34 \uac80\uc0ac<\/td>\n<td>\ud6a8\uc728\uc801\uc778 \uc791\uc5c5 \ubc0f \uc548\uc804 \uc9c4\ub2e8<\/td>\n<\/tr>\n<tr>\n<td>\ud574\uc591<\/td>\n<td>\uc218\uc2ec \uce21\ub7c9, \ud574\uc800 \uc9c0\ud615 \ud0d0\uc0ac<\/td>\n<td>\ud574\uc591 \ud658\uacbd \uc774\ud574 \ubc0f \uc790\uc6d0 \ud0d0\uc0ac<\/td>\n<\/tr>\n<tr>\n<td>\uc758\ub8cc<\/td>\n<td>\ucd08\uc74c\ud30c \uc9c4\ub2e8<\/td>\n<td>\uc778\uccb4 \ub0b4\ubd80 \uc815\ubcf4 \ud68d\ub4dd \ubc0f \uc9c8\ubcd1 \uc9c4\ub2e8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\ucd08\uc74c\ud30c \uc13c\uc11c\uc758 \uc885\ub958<\/h3>\n<p>\ucd08\uc74c\ud30c \uc13c\uc11c\ub294 \uc791\ub3d9 \ubc29\uc2dd\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \uc885\ub958\ub85c \ub098\ub269\ub2c8\ub2e4. \ub300\ud45c\uc801\uc73c\ub85c\ub294 \uacf5\uae30\ub97c \ub9e4\uc9c8\ub85c \uc0ac\uc6a9\ud558\ub294 \ucd08\uc74c\ud30c \uc13c\uc11c\uc640 \ubb3c\uc744 \ub9e4\uc9c8\ub85c \uc0ac\uc6a9\ud558\ub294 \uc218\uc911 \uc74c\ud30c \ud0d0\uc9c0\uae30(\uc18c\ub098)\uac00 \uc788\uc2b5\ub2c8\ub2e4.  \uac01 \uc13c\uc11c\ub294 \uce21\uc815 \ubc94\uc704\uc640 \uc815\ud655\ub3c4 \ub4f1\uc774 \ub2e4\ub974\ubbc0\ub85c \uc6a9\ub3c4\uc5d0 \ub9de\ub294 \uc13c\uc11c\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4,  Beijing Ultrasonic\uacfc \uac19\uc740 \ube0c\ub79c\ub4dc\ub294 \ub2e4\uc591\ud55c \uc885\ub958\uc758 \ucd08\uc74c\ud30c \uc13c\uc11c\ub97c \uc81c\uacf5\ud558\uba70 \ud2b9\uc815 \uc0b0\uc5c5 \ubd84\uc57c\uc5d0 \ud2b9\ud654\ub41c \uc81c\ud488\ub4e4\uc744 \uc120\ubcf4\uc774\uace0 \uc788\uc2b5\ub2c8\ub2e4.  \ud558\uc9c0\ub9cc \ud2b9\uc815 \ube0c\ub79c\ub4dc \uc5b8\uae09\uc740 \ud544\uc218\uc801\uc778 \uacbd\uc6b0\uc5d0\ub9cc \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>\ubbf8\ub798 \uc804\ub9dd<\/h3>\n<p>\uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815 \uae30\uc220\uc740 \uc13c\uc11c \uae30\uc220\uc758 \ubc1c\uc804\uacfc \ud568\uaed8 \ub354\uc6b1 \uc815\ubc00\ud558\uace0 \ub2e4\uc591\ud55c \ubd84\uc57c\ub85c \ud655\ub300\ub420 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4. \ud2b9\ud788, \uc778\uacf5\uc9c0\ub2a5\uacfc \uacb0\ud569\ud558\uc5ec \ub354\uc6b1 \uc9c0\ub2a5\uc801\uc778 \uce21\uc815 \uc2dc\uc2a4\ud15c \uad6c\ucd95\uc774 \uac00\ub2a5\ud574\uc9c8 \uac83\uc774\uba70,  IoT \uae30\uc220\uacfc\uc758 \uc5f0\ub3d9\uc744 \ud1b5\ud574 \uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uc6d0\uaca9 \uc81c\uc5b4 \ubd84\uc57c\uc5d0\uc11c\ub3c4 \ud65c\uc6a9\ub3c4\uac00 \ub192\uc544\uc9c8 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815 \uae30\uc220\uc740 \uc6b0\ub9ac \uc0dd\ud65c\uc744 \ub354\uc6b1 \ud3b8\ub9ac\ud558\uace0 \uc548\uc804\ud558\uac8c \ub9cc\ub4e4\uc5b4\uc8fc\ub294 \uc911\uc694\ud55c \uae30\uc220\uc785\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \uafb8\uc900\ud55c \uc5f0\uad6c \uac1c\ubc1c\uc744 \ud1b5\ud574 \ub354\uc6b1 \ubc1c\uc804\ub41c \ubaa8\uc2b5\uc744 \ubcf4\uc5ec\uc904 \uac83\uc73c\ub85c \uae30\ub300\ud558\uba70, \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub420 \ubbf8\ub798\ub97c \uae30\ub300\ud574 \ubd05\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc18c\ub9ac\ub294 \uc6b0\ub9ac \uc8fc\ubcc0\uc5d0 \ub04a\uc784\uc5c6\uc774 \uc874\uc7ac\ud558\uba70, \ub2e8\uc21c\ud788 \ub4e3\ub294 \uac83 \uc774\uc0c1\uc758 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \uc911 \ud558\ub098\uac00 \ubc14\ub85c \uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815\uc785\ub2c8\ub2e4. \ubc15\uc950\uac00 \ucd08\uc74c\ud30c\ub97c \uc774\uc6a9\ud558\uc5ec \uc5b4\ub460 \uc18d\uc5d0\uc11c\ub3c4 \uc790\uc720\ub86d\uac8c \ube44\ud589\ud558\ub294 \uac83\ucc98\ub7fc, \uc778\uac04 \ub610\ud55c \uc18c\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec \ub208\uc73c\ub85c \ubcfc \uc218 \uc5c6\ub294 \uacf3\uae4c\uc9c0\uc758 \uac70\ub9ac\ub97c \uc815\ud655\ud558\uac8c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc18c\ub9ac\ub97c \uc774\uc6a9\ud55c \uac70\ub9ac \uce21\uc815\uc758 \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \ud65c\uc6a9 \ubd84\uc57c\uc5d0 \ub300\ud574<\/p>\n","protected":false},"author":1,"featured_media":5770,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6409],"tags":[],"class_list":["post-21748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts\/21748","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/comments?post=21748"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/posts\/21748\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media\/5770"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/media?parent=21748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/categories?post=21748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/ko\/wp-json\/wp\/v2\/tags?post=21748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}