{"id":9521,"date":"2016-10-12T07:22:08","date_gmt":"2016-10-12T16:22:08","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T15:00:00","slug":"","status":"publish","type":"post","link":"http:\/\/w3devlabs.net\/wp\/?p=9521","title":{"rendered":"[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \ubb34\uc120 \uc8fc\ud30c\uc218"},"content":{"rendered":"<p><h1>RF (radio frequency)  &#8211;  \ubb34\uc120 \uc8fc\ud30c\uc218<\/h1>\n<\/p>\n<p>\ubb34\uc120 \uc8fc\ud30c\uc218\ub77c\ub294 \uc6a9\uc5b4\ub294, \uc548\ud14c\ub098\uc5d0 \ub4e4\uc5b4\uc624\ub294 \uc785\ub825\uc774 \uc804\ub958\uc77c \ub54c \ubb34\uc120 \ubc29\uc1a1\uc774\ub098 \ud1b5\uc2e0\uc5d0 \uc801\ud569\ud55c \uc804\uc790\uae30\uc7a5\uc774 \uc0dd\uc131\ub418\ub294 \ud2b9\uc131\uc744 \uac16\ub294 \uad50\ub958\ub97c \uac00\ub9ac\ud0a8\ub2e4. \uc774\ub7ec\ud55c \uc8fc\ud30c\uc218\ub4e4\uc740 \ubb34\uc120 \ud1b5\uc2e0\uc5d0 \ud560\ub2f9\ub41c \uac00\uc7a5 \ub0ae\uc740 \uc8fc\ud30c\uc218 (\uc0ac\ub78c\uc774 \ub4e4\uc744 \uc218 \uc788\ub294 \ubc94\uc704 \ub0b4\uc5d0 \uc18d\ud568)\uc778 9 kHz\ub85c\ubd80\ud130 \uc218\ucc9c GHz \uae4c\uc9c0 \uac78\uccd0 \uc788\uc74c\uc73c\ub85c\uc368 \uc804\uc790\uae30 \ubc29\uc0ac \uc2a4\ud399\ud2b8\ub7fc\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc744 \ucee4\ubc84\ud55c\ub2e4. \ubb34\uc120 \uc8fc\ud30c\uc218 \uc804\ub958\uac00 \uc548\ud14c\ub098\uc5d0 \uacf5\uae09\ub418\uc5c8\uc744 \ub54c, \uacf5\uac04\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\ub294 \uc804\uc790\uae30\uc7a5\uc744 \ubc1c\uc0dd\uc2dc\ud0a8\ub2e4. \uc774 \uc790\uacc4\ub294 \ub54c\ub85c \ubb34\uc120 \uc8fc\ud30c\uc218 \uc790\uacc4\ub77c\uace0\ub3c4 \ubd88\ub9ac\uba70, \uae30\uc220\uc801\uc778 \ub258\uc559\uc2a4\uac00 \uc880 \ub35c \uc11e\uc778 \uc6a9\uc5b4\ub85c\ub294 &#8220;\ubb34\uc120\ud30c&#8221;\ub77c\uace0\ub3c4 \ubd80\ub978\ub2e4. \uc5b4\ub5a0\ud55c \ubb34\uc120\uc8fc\ud30c\uc218 \uc790\uacc4\ub77c\ub3c4 \ud30c\uc7a5\uc740 \uc8fc\ud30c\uc218\uc640 \ubc18\ube44\ub840 \uad00\uacc4\ub97c \uac16\ub294\ub2e4. \ub9cc\uc57d \uc8fc\ud30c\uc218\ub97c f \ub77c\ud558\uace0 \ud30c\uc7a5\uc744 s \ub77c \ud558\uba74, s = 300\/f \uac00 \ub41c\ub2e4. \ubb34\uc120 \uc8fc\ud30c\uc218 \uc2e0\ud638\ub294 \uc804\uc790\uae30 \ud30c\uc7a5\uc5d0 \uc0c1\uc751\ud558\ub294 \ub9cc\ud07c \ubc18\ube44\ub840\ud55c\ub2e4. 9 kHz\uc5d0\uc11c \uc790\uc720\uacf5\uac04 \ud30c\uc7a5\uc740 \uc57d 33 km\uc774\ub2e4. \uc81c\uc77c \ub192\uc740 \ubb34\uc120 \uc8fc\ud30c\uc218\uc5d0\uc11c\uc758 \uc804\uc790\uae30 \ud30c\uc7a5\uc740 \uc57d 1 mm \uc815\ub3c4\uc774\ub2e4. \ubb34\uc120 \uc8fc\ud30c\uc218 \uc2a4\ud399\ud2b8\ub7fc\uc744 \ub118\uc5b4 \uc8fc\ud30c\uc218\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c, \uc804\uc790\uae30 \uc5d0\ub108\uc9c0\ub294 \uc801\uc678\uc120, \uac00\uc2dc\uad11\uc120, \uc790\uc678\uc120(UV), X \uc120, \uadf8\ub9ac\uace0 \uac10\ub9c8\uc120 \ub4f1\uc758 \ud615\ud0dc\ub97c \uac16\ub294\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RF (radio frequency) &#8211; \ubb34\uc120 \uc8fc\ud30c\uc218 \ubb34\uc120 \uc8fc\ud30c\uc218\ub77c\ub294 \uc6a9\uc5b4\ub294, \uc548\ud14c\ub098\uc5d0 \ub4e4\uc5b4\uc624\ub294 \uc785\ub825\uc774 \uc804\ub958\uc77c \ub54c \ubb34\uc120 \ubc29\uc1a1\uc774\ub098 \ud1b5\uc2e0\uc5d0 \uc801\ud569\ud55c \uc804\uc790\uae30\uc7a5\uc774 \uc0dd\uc131\ub418\ub294 \ud2b9\uc131\uc744 \uac16\ub294 \uad50\ub958\ub97c \uac00\ub9ac\ud0a8\ub2e4. \uc774\ub7ec\ud55c \uc8fc\ud30c\uc218\ub4e4\uc740 \ubb34\uc120 \ud1b5\uc2e0\uc5d0 \ud560\ub2f9\ub41c \uac00\uc7a5 \ub0ae\uc740 \uc8fc\ud30c\uc218 (\uc0ac\ub78c\uc774 \ub4e4\uc744 \uc218 \uc788\ub294 \ubc94\uc704 \ub0b4\uc5d0 \uc18d\ud568)\uc778 9 kHz\ub85c\ubd80\ud130 \uc218\ucc9c GHz \uae4c\uc9c0 \uac78\uccd0 \uc788\uc74c\uc73c\ub85c\uc368 \uc804\uc790\uae30 \ubc29\uc0ac \uc2a4\ud399\ud2b8\ub7fc\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc744 \ucee4\ubc84\ud55c\ub2e4. \ubb34\uc120 \uc8fc\ud30c\uc218 \uc804\ub958\uac00 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/w3devlabs.net\/wp\/?p=9521\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \ubb34\uc120 \uc8fc\ud30c\uc218&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[5922],"tags":[5921],"class_list":["post-9521","post","type-post","status-publish","format-standard","hentry","category-5922","tag-5921","entry"],"_links":{"self":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/9521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9521"}],"version-history":[{"count":0,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/9521\/revisions"}],"wp:attachment":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9521"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}