{"id":6800,"date":"2016-05-30T07:11:42","date_gmt":"2016-05-30T16:11:42","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=6800","title":{"rendered":"[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658"},"content":{"rendered":"

FFT (Fast Fourier Transform) – \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658<\/h1>\n<\/p>\n

FFT\ub294 \uc774\uc0b0 \ub370\uc774\ud130 \uac12\ub4e4\uc758 \ud478\ub9ac\uc5d0 \ubcc0\ud658 \uacc4\uc0b0\uc744 \uc704\ud55c \uc54c\uace0\ub9ac\uc998\uc774\ub2e4. FFT\ub294 \uc8fc\uc5b4\uc9c4 \uc720\ud55c \ub370\uc774\ud130 \uc810\ub4e4\uc758 \uc138\ud2b8, \uc989 \uc608\ub97c \ub4e4\uc5b4 \uc2e4\uc138\uacc4 \uc2e0\ud638\ub85c\ubd80\ud130 \uc8fc\uae30\uc801\uc73c\ub85c \uc5bb\uc5b4\uc9c0\ub294 \uacac\ubcf8\ub4e4\uc744, \uadf8 \uc694\uc18c \uc8fc\ud30c\uc218\ub4e4\uc758 \ud615\ud0dc\ub85c \ud45c\ud604\ud55c\ub2e4. \uc774\uac83\uc740 \ub610\ud55c \uc815\ud655\ud558\uac8c \ubc18\ub300\uc778 \uc8fc\ud30c\uc218 \ub370\uc774\ud130\ub85c\ubd80\ud130 \uc2e0\ud638\ub97c \uc7ac\uad6c\uc131\ud558\ub294 \ubb38\uc81c\ub3c4 \ud574\uacb0\ud55c\ub2e4. FFT\ub294 \uc218\uce58\ud574\uc11d\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uc54c\uace0\ub9ac\uc998\uc774\ub2e4. Gilbert Strang\uc740 FFT\ub97c \uac00\ub9ac\ucf1c, “\uc6b0\ub9ac \uc138\ub300\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uc54c\uace0\ub9ac\uc998”\uc774\ub77c\uace0 \ub9d0\ud588\ub2e4. FFT\ub294 \ub610\ud55c \ub450 \uac1c\uc758 \ub2e4\ud56d\uc2dd\uc744 \uacf1\ud558\ub294\ub370 \uc788\uc5b4 \uc810\uadfc\uc801\uc73c\ub85c \uac00\uc7a5 \ube60\ub974\ub2e4\uace0 \uc54c\ub824\uc9c4 \uc54c\uace0\ub9ac\uc998\uc744 \uc81c\uacf5\ud55c\ub2e4. C\ub098 \ud3ec\ud2b8\ub780\uc73c\ub85c \uc791\uc131\ub41c \uc54c\uace0\ub9ac\uc998 \ubc84\uc804\ub4e4\uc744 \uc628\ub77c\uc778 \uc0c1\uc5d0\uc11c \ucc3e\uc544\ubcfc \uc218 \uc788\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

FFT (Fast Fourier Transform) – \uace0\uc18d \ud478\ub9ac\uc5d0 \ubcc0\ud658<\/h1>\n<\/p>\n

FFT\ub294 \uc774\uc0b0 \ub370\uc774\ud130 \uac12\ub4e4\uc758 \ud478\ub9ac\uc5d0 \ubcc0\ud658 \uacc4\uc0b0\uc744 \uc704\ud55c \uc54c\uace0\ub9ac\uc998\uc774\ub2e4. FFT\ub294 \uc8fc\uc5b4\uc9c4 \uc720\ud55c \ub370\uc774\ud130 \uc810\ub4e4\uc758 \uc138\ud2b8, \uc989 \uc608\ub97c \ub4e4\uc5b4 \uc2e4\uc138\uacc4 \uc2e0\ud638\ub85c\ubd80\ud130 \uc8fc\uae30\uc801\uc73c\ub85c \uc5bb\uc5b4\uc9c0\ub294 \uacac\ubcf8\ub4e4\uc744, \uadf8 \uc694\uc18c \uc8fc\ud30c\uc218\ub4e4\uc758 \ud615\ud0dc\ub85c \ud45c\ud604\ud55c\ub2e4. \uc774\uac83\uc740 \ub610\ud55c \uc815\ud655\ud558\uac8c \ubc18\ub300\uc778 \uc8fc\ud30c\uc218 \ub370\uc774\ud130\ub85c\ubd80\ud130 \uc2e0\ud638\ub97c \uc7ac\uad6c\uc131\ud558\ub294 \ubb38\uc81c\ub3c4 \ud574\uacb0\ud55c\ub2e4. FFT\ub294 \uc218\uce58\ud574\uc11d\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uc54c\uace0\ub9ac\uc998\uc774\ub2e4. Gilbert Strang\uc740 FFT\ub97c \uac00\ub9ac\ucf1c, “\uc6b0\ub9ac \uc138\ub300\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uc54c\uace0\ub9ac\uc998”\uc774\ub77c\uace0 \ub9d0\ud588\ub2e4. FFT\ub294 \ub610\ud55c \ub450 \uac1c\uc758 \ub2e4\ud56d\uc2dd\uc744 \uacf1\ud558\ub294\ub370 \uc788\uc5b4 \uc810\uadfc\uc801\uc73c\ub85c \uac00\uc7a5 \ube60\ub974\ub2e4\uace0 \uc54c\ub824\uc9c4 \uc54c\uace0\ub9ac\uc998\uc744 \uc81c\uacf5\ud55c\ub2e4. C\ub098 \ud3ec\ud2b8\ub780\uc73c\ub85c \uc791\uc131\ub41c \uc54c\uace0\ub9ac\uc998 \ubc84\uc804\ub4e4\uc744 \uc628\ub77c\uc778 \uc0c1\uc5d0\uc11c \ucc3e\uc544\ubcfc \uc218 \uc788\ub2e4.<\/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-6800","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\/6800","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=6800"}],"version-history":[{"count":0,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/6800\/revisions"}],"wp:attachment":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6800"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}