{"id":1583,"date":"2022-11-08T00:00:00","date_gmt":"2022-11-08T00:00:00","guid":{"rendered":"urn:uuid:d63a38e8-8088-4c8b-8643-e1079cbd7681"},"modified":"2022-11-08T00:00:00","modified_gmt":"2022-11-08T00:00:00","slug":"konhiyutake-xue-noxian-qu-zhe-risuto-fft","status":"publish","type":"post","link":"https:\/\/www.sekaiken.com\/?p=1583","title":{"rendered":"\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u79d1\u5b66\u306e\u5148\u99c6\u8005\u30ea\u30b9\u30c8\u3001FFT"},"content":{"rendered":"<p>\u6628\u591c\u306f\u6708\u98df\u3067\u3057\u305f\u3002\u5e30\u5b85\u6642\u306f\u6708\u304c\u8755\u304b\u3089\u56de\u5fa9\u3059\u308b\u3068\u3053\u308d\u3067\u3057\u305f\u304c\u3001\u5730\u7403\u306e\u5f71\u306e\u7aef\u304c\u5b8c\u5168\u306a\u9ed2\u3067\u306f\u306a\u304f\u3001\u6708\u9762\u306e\u5e83\u3044\u7bc4\u56f2\u306b\u308f\u305f\u3063\u3066\u7070\u8272\u306b\u898b\u3048\u305f\u306e\u304c\u4e0d\u601d\u8b70\u3067\u3059\u3002\u5149\u306e\u56de\u308a\u8fbc\u307f\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u3069\u3046\u3044\u3046\u4ed5\u7d44\u307f\u306a\u306e\u304b\u3001\u3059\u3050\u306b\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u8003\u3048\u3066\u307f\u307e\u3059\u3002<br \/>\n\u3055\u3066\u3001\u300c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u79d1\u5b66\u306e\u5148\u99c6\u8005\u30ea\u30b9\u30c8\u300d\u3068\u3044\u3046\u306e\u304cwikipedia\u306b\u3042\u308a\u307e\u3059\u3002\u300c\u3053\u306e\u4eba\u306e\u696d\u7e3e\u306f\u305d\u308c\u307b\u3069\u5049\u5927\u304b\uff1f\u300d\u306a\u3069\u3068\u7a81\u3063\u8fbc\u307f\u304c[ ]\u306e\u4e2d\u306b\u5165\u3063\u3066\u3044\u3066\u3001\u8b70\u8ad6\u30b9\u30da\u30fc\u30b9\u3078\u306e\u30ea\u30f3\u30af\u304c\u8cbc\u3089\u308c\u3066\u3044\u308b\u306e\u304c\u9762\u767d\u3044\u3067\u3059\u3002\u6df1\u5c64\u5b66\u7fd2\u306f\u5165\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u65e5\u672c\u4eba\u306f1934\u5e74\u306e\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u8ad6(\uff1d0\u30011\u3092\u6271\u3046\u30c7\u30b8\u30bf\u30eb\u306e\u57fa\u790e\u3001NEC\u306e\u4eba)\u3068\u30012008\u5e74\u306e\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\uff08\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u57fa\u790e\u3001\u6b63\u4f53\u4e0d\u660e\u3001\u540d\u524d\u306f\u65e5\u672c\u4eba\u307d\u3044\u3067\u3059\u304c\u2026\uff09\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\nhttps:\/\/en.wikipedia.org\/wiki\/List_of_pioneers_in_computer_science<\/p>\n<p>\u3044\u307e fast Fourier transform \uff08FFT, \u9ad8\u901f\u30d5\u30fc\u30ea\u30a8\u5909\u63db\uff09\u3092\u4f7f\u3046\u8ad6\u6587\u3092\u66f8\u3044\u3066\u3044\u3066\u3001\u8ab0\u304c\u958b\u767a\u3057\u305f\u306e\u304b\u8abf\u3079\u3066\u3044\u305f\u6642\u306b\u6708\u66dc\u65e5\u306eMIT-CSAIL\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\uff08\u2190\u305d\u3053\u306e\u4eba\u304c\u6539\u826f\u3057\u305f\uff09\u3002\u6700\u521d\u306e\u958b\u767a\u8005\u306f\u306a\u3093\u3068Gauss\uff08\u304a\u305d\u3089\u304f1805\u5e74\uff09\u3067\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u3067\u304d\u3066\u304b\u3089\u3001\u30bd\u9023\u306e\u6838\u5b9f\u9a13\u306e\u4f4d\u7f6e\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u3044\u305fCooley\u3068Turkey\u304c\u518d\u767a\u898b\u3057\u307e\u3057\u305f\uff081965)\u3002<br \/>\nhttp:\/\/nonagon.org\/ExLibris\/gauss-fast-fourier-transform<\/p>\n<p>FFT\u306f\u5b9f\u306b\u982d\u306e\u3044\u3044\u8a08\u7b97\u6cd5\u3067\u3001\u5287\u7684\u306b\u9ad8\u901f\u5316\u3055\u308c\u308b\u306e\u3067\u3001\u3044\u308d\u3044\u308d\u306a\u3068\u3053\u308d\u306b\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u3044\u3046\u306e\u304c\u597d\u304d\u306a\u4eba\u306b\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3078\u306e\u30d2\u30f3\u30c8\u3082\u542b\u3081\u3066\u767a\u60f3\u306e\u80a5\u3084\u3057\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u307e\u3060\u7fd2\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u4f8b\u3048\u3070\u4e0b\u8a18\u3092\u8aad\u3093\u3067\u307f\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3046\u3055\u304e\u597d\u304d\u306e\u5927\u5b66\u9662\u751f\u304c\u66f8\u3044\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u691c\u7d22\u306e\u30c8\u30c3\u30d7\u306b\u51fa\u3066\u304d\u307e\u3057\u305f\uff08\u4f55\u304b\u4ed5\u639b\u3051\u304c\uff1f\uff09\u3002<br \/>\nhttps:\/\/www.momoyama-usagi.com\/entry\/math-seigyo14<\/p>\n<p>\u6708\u98df lunar eclipse<br \/>\n\u65e5\u98df solar eclipse<br \/>\n\u8584\u6697\u3044 \u691c\u7d22\u3059\u308b\u3068gloomy, dim, obscure, dark \u304c\u51fa\u3066\u304d\u307e\u3059\u3002<br \/>\n gloomy = sad because you think the situation will not improve \u5e0c\u671b\u304c\u306a\u3044<br \/>\n          dark, especially in a way that make you feel sad \u8584\u6697\u304f\u3066\u9670\u6c17\u306a<br \/>\n dim = fairly dark or not giving much light, so that you cannot see well\u3000\u8584\u6697\u304f\u3066\u3088\u304f\u898b\u3048\u306a\u3044<br \/>\n       a dim shape is one which is not easy to see because it is too far away, or there is not enough light \u8f2a\u90ed\u304c\u306f\u3063\u304d\u308a\u3057\u306a\u3044<br \/>\n obscure \u30aa\u30d6\u30b9\u300c\u30ad\u30e5\u300d\u30a2 = not well known and usually not very important\u3000\u4eba\u76ee\u306b\u3064\u304b\u306a\u3044<br \/>\n\u3000  difficult to understand \u4e0d\u660e\u77ad\u306a\u3000\u3000<br \/>\n    \u52d5\u8a5e\u3082\u3042\u308a\u307e\u3059\u3002Parts of the coast were obscured by fog.\u3000\u6d77\u5cb8\u306e\u4e00\u90e8\u306f\u9727\u3067\u307c\u3084\u3051\u3066\u3044\u305f\u3002<\/p>\n<p>\u30d6\u30fc\u30eb\u4ee3\u6570  Boolean algebra  (George Bool\u306f\u4eba\u540d1815-1864\uff09<br \/>\n\u5148\u99c6\u8005 a pioneer<br \/>\n\u6838\u5b9f\u9a13\u3000nuclear test, nuclear bomb test \u3000 bomb\u306f\u30dc\u30e0\u3068\u767a\u97f3\u3057\u307e\u3059\u3002\u7206\u5f3e\u3002<br \/>\n\u767a\u60f3\u306e\u80a5\u3084\u3057 deepL\u3067\u306f\u3001food for thought \u3068\u51fa\u307e\u3057\u305f\u3002source of an idea \u3082\u3088\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6628\u591c\u306f\u6708\u98df\u3067\u3057\u305f\u3002\u5e30\u5b85\u6642\u306f\u6708\u304c\u8755\u304b\u3089\u56de\u5fa9\u3059\u308b\u3068\u3053\u308d\u3067\u3057\u305f\u304c\u3001\u5730\u7403\u306e\u5f71\u306e\u7aef\u304c\u5b8c\u5168\u306a\u9ed2\u3067\u306f\u306a\u304f\u3001\u6708\u9762\u306e\u5e83\u3044\u7bc4\u56f2\u306b\u308f\u305f\u3063\u3066\u7070\u8272\u306b\u898b\u3048\u305f\u306e\u304c\u4e0d\u601d\u8b70\u3067\u3059\u3002\u5149\u306e\u56de\u308a\u8fbc\u307f\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u3069\u3046\u3044\u3046\u4ed5\u7d44\u307f\u306a\u306e\u304b\u3001\u3059\u3050\u306b\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u8003\u3048\u3066\u307f\u307e\u3059\u3002 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