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\u691c\u51fa\u306e\u5805\u7262\u6027\u3092\u9ad8\u3081\u308b\u5b9f\u52d9\u4e0a\u306e\u30b3\u30c4\u3092\u6319\u3052\u308b\u3002- \u7a93\u9577\u3068\u5206\u89e3\u80fd\uff1a\u8fd1\u63a5\u30d4\u30fc\u30af\u3092\u5206\u3051\u305f\u3044\u5834\u5408\u306f\u7a93\u9577\u3092\u5ef6\u3070\u3057\u3066\u0394f\u3092\u7d30\u304b\u304f\u3059\u308b\uff08df=fs\/N\uff09\u3002- \u7a93\u95a2\u6570\uff1a\u5206\u96e2\u91cd\u8996\u306a\u3089\u30cf\u30f3\/\u30cf\u30df\u30f3\u30b0\u3001\u30ec\u30d9\u30eb\u91cd\u8996\u306a\u3089\u30d5\u30e9\u30c3\u30c8\u30c8\u30c3\u30d7\uff08\u305f\u3060\u3057\u5206\u96e2\u306f\u4f4e\u4e0b\uff09\u3002- \u3057\u304d\u3044\u5024\u3068\u6700\u5c0f\u9593\u9694\uff1a\u30ce\u30a4\u30ba\u5e8a\u57fa\u6e96\u306e\u3057\u304d\u3044\u5024\u3068\u3001\u30d4\u30fc\u30af\u9593\u306e\u6700\u5c0f\u8ddd\u96e2\uff08Hz\uff09\u3092\u8a2d\u5b9a\u3057\u3001\u8aa4\u691c\u51fa\u3092\u6291\u5236\u3002- \u88dc\u9593\uff1a\u6700\u5927\u30d3\u30f3\u524d\u5f8c3\u70b9\u306e\u653e\u7269\u7dda\u88dc\u9593\u3067\u30b5\u30d6\u30d3\u30f3\u7cbe\u5ea6\u306e\u5468\u6ce2\u6570\u3092\u63a8\u5b9a\u3002- \u8868\u793a\u3068\u6821\u6b63\uff1aRBW\/VBW\u3001\u7a93\u88dc\u6b63\u3001ENBW\u3092\u610f\u8b58\u3057\u3066\u6bd4\u8f03\u306e\u516c\u5e73\u6027\u3092\u78ba\u4fdd\u3002- \u30c6\u30fc\u30d6\u30eb\u5316\uff1aTop-N\u30d4\u30fc\u30af\u3092\u62bd\u51fa\u3057\u3066\u6642\u7cfb\u5217\u306b\u8ffd\u8de1\u3057\u3001\u30c8\u30ec\u30f3\u30c9\u3084\u65b0\u898f\u51fa\u73fe\u3092\u76e3\u8996\u3002[12][9][3][10][5][1][6][7][4]\n\n\n\n
\u6ce8\u610f\u3059\u3079\u304d\u843d\u3068\u3057\u7a74\u3082\u3042\u308b\u3002\u30bc\u30ed\u30d1\u30c7\u30a3\u30f3\u30b0\u3067\u898b\u304b\u3051\u306e\u523b\u307f\u306f\u7d30\u304b\u304f\u306a\u308b\u304c\u3001\u771f\u306e\u5206\u89e3\u80fd\u306f\u5411\u4e0a\u3057\u306a\u3044\u305f\u3081\u3001\u8fd1\u63a5\u30d4\u30fc\u30af\u304c\u878d\u5408\u3057\u3066\u898b\u3048\u308b\u72b6\u6cc1\u306f\u89e3\u6c7a\u3057\u306a\u3044\u3002\u307e\u305f\u3001\u7a93\u306a\u3057\uff08\u77e9\u5f62\uff09\u3067\u6574\u6570\u5468\u671f\u306b\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u4fe1\u53f7\u3092\u89e3\u6790\u3059\u308b\u3068\u30ea\u30fc\u30b1\u30fc\u30b8\u304c\u5897\u3048\u3001\u5f31\u3044\u30d4\u30fc\u30af\u304c\u88fe\u306b\u57cb\u3082\u308c\u308b\u3002\u30d5\u30e9\u30c3\u30c8\u30c8\u30c3\u30d7\u7a93\u306f\u30d4\u30fc\u30af\u8aad\u307f\u53d6\u308a\u306b\u5f37\u3044\u304c\u3001\u96a3\u63a5\u30d4\u30fc\u30af\u306e\u5206\u96e2\u304c\u843d\u3061\u308b\u305f\u3081\u3001\u7528\u9014\u306b\u3088\u308a\u4f7f\u3044\u5206\u3051\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u3057\u304d\u3044\u5024\u3092\u4f4e\u304f\u3057\u904e\u304e\u308b\u3068\u30ce\u30a4\u30ba\u5c71\u3092\u591a\u6570\u62fe\u3044\u3001\u9006\u306b\u9ad8\u3059\u304e\u308b\u3068\u521d\u671f\u5146\u5019\u3092\u898b\u9003\u3059\u3002\u88c5\u7f6e\u3084\u74b0\u5883\u306b\u5fdc\u3058\u3066\u3001\u96d1\u97f3\u5e8a\u304b\u3089\u306e\u76f8\u5bfe\u30de\u30fc\u30b8\u30f3\u3092\u6c7a\u3081\u3001\u904b\u7528\u3057\u306a\u304c\u3089\u5fae\u8abf\u6574\u3059\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3060\u3002[3][10][5][1][7][4]\n\n\n\n
\u5468\u6ce2\u6570\u7cbe\u5bc6\u5316\u306e\u73fe\u5834\u77e5\u898b\u3068\u3057\u3066\u3001\u6e2c\u5b9a\u30bd\u30d5\u30c8\u3084\u89e3\u6790\u74b0\u5883\u306f\u30d3\u30f3\u88dc\u9593\u3084\u30b9\u30d7\u30e9\u30a4\u30f3\u88dc\u9593\u3092\u7528\u3044\u3066\u30d4\u30fc\u30af\u5468\u6ce2\u6570\u3092\u63a8\u5b9a\u3059\u308b\u304c\u3001\u5165\u529b\u6761\u4ef6\uff08\u7a93\u9577\u30fb\u7a93\u7a2e\u30fbS\/N\uff09\u3067\u518d\u73fe\u6027\u304c\u5909\u308f\u308b\u3053\u3068\u306b\u7559\u610f\u3057\u305f\u3044\u3002\u5b9f\u4f8b\u3067\u306f\u3001\u30bc\u30ed\u30d1\u30c7\u30a3\u30f3\u30b0\u3084\u88dc\u9593\u306b\u3088\u308a\u65e2\u77e5\u5468\u6ce2\u6570\u306b\u8fd1\u3065\u304f\u4e00\u65b9\u3001\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u304c\u9ad8\u3044\u5fae\u5c0f\u30d4\u30fc\u30af\u306f\u6d88\u3048\u3084\u3059\u304f\u3001\u89e3\u6790\u306e\u76ee\u7684\u306b\u5fdc\u3058\u3066\u8a2d\u5b9a\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u3002\u7d44\u8fbc\u307f\u5411\u3051\u306e\u5b9f\u88c5\u3067\u3082\u3001\u5c40\u6240\u6700\u5927\u3068\u653e\u7269\u7dda\u88dc\u9593\u3001\u3057\u304d\u3044\u5024\u30fb\u6700\u5c0f\u9593\u9694\u306e\u5c0e\u5165\u306b\u3088\u3063\u3066\u8907\u6570\u30d4\u30fc\u30af\u306e\u5b89\u5b9a\u691c\u51fa\u304c\u53ef\u80fd\u3067\u3042\u308b\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u3002[5][6]\n\n\n\n
\u6700\u5f8c\u306b\u904b\u7528\u306e\u6307\u91dd\u3092\u307e\u3068\u3081\u308b\u30021) \u76ee\u7684\u306b\u5408\u308f\u305b\u3066\u5206\u89e3\u80fd\u3068\u7a93\u3092\u9078\u3076\uff08\u5206\u96e2\u304b\u30ec\u30d9\u30eb\u78ba\u5ea6\u304b\uff09\u30022) \u30ce\u30a4\u30ba\u5e8a\u57fa\u6e96\u306e\u3057\u304d\u3044\u5024\u3068\u6700\u5c0f\u9593\u9694\u3092\u8a2d\u5b9a\u3057\u3001\u507d\u30d4\u30fc\u30af\u3092\u6291\u5236\u3059\u308b\u30023) \u653e\u7269\u7dda\u88dc\u9593\u3067\u5468\u6ce2\u6570\u3092\u7cbe\u5bc6\u5316\u3057\u3001\u30bc\u30ed\u30d1\u30c7\u30a3\u30f3\u30b0\u306f\u300c\u8aad\u307f\u3084\u3059\u3055\u5411\u4e0a\u300d\u3068\u5272\u308a\u5207\u308b\u30024) ENBW\u3084RBW\u3092\u610f\u8b58\u3057\u3066\u30ec\u30d9\u30eb\u3092\u6821\u6b63\u3057\u3001\u7570\u306a\u308b\u6761\u4ef6\u9593\u3067\u306e\u6bd4\u8f03\u3092\u516c\u5e73\u306b\u3059\u308b\u30025) Top-N\u30d4\u30fc\u30af\u3092\u8868\u3068\u3057\u3066\u4fdd\u5b58\u3057\u3001\u57fa\u672c\u5468\u6ce2\u6570\u30fb\u9ad8\u8abf\u6ce2\u30fb\u5074\u5e2f\u57df\u306e\u898f\u5247\u6027\u3068\u7167\u5408\u3057\u3066\u539f\u56e0\u63a8\u5b9a\u306b\u7d50\u3073\u4ed8\u3051\u308b\u3002\u3053\u306e\u624b\u9806\u3092\u5b88\u308c\u3070\u3001\u5468\u6ce2\u6570\u9818\u57df\u306e\u30d4\u30fc\u30af\u691c\u51fa\u306f\u3001\u7570\u5e38\u306e\u300c\u3044\u3064\u30fb\u3069\u3053\uff08\u5468\u6ce2\u6570\uff09\u30fb\u3069\u308c\u3060\u3051\u300d\u3092\u5b9a\u91cf\u7684\u306b\u793a\u3059\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u7279\u5fb4\u91cf\u62bd\u51fa\u306e\u67f1\u3068\u306a\u308b\u3002[9][2][10][1][6][7][8][4][5]\n\n\n\n[1] https:\/\/www.ni.com\/ja\/shop\/data-acquisition\/measurement-fundamentals\/analog-fundamentals\/understanding-ffts-and-windowing.html<\/p>\n\n\n\n[2] https:\/\/svmeas.rion.co.jp\/support\/p38veq0000000cmg-att\/FFT_07881.pdf<\/p>\n\n\n\n[3] https:\/\/edn.itmedia.co.jp\/edn\/articles\/2007\/14\/news004.html<\/p>\n\n\n\n[4] https:\/\/www.onosokki.co.jp\/HP-WK\/eMM_back\/emm150.pdf<\/p>\n\n\n\n[5] https:\/\/www.hulinks.co.jp\/support\/flexpro\/dataanalysis\/p_03.html<\/p>\n\n\n\n[6] https:\/\/qiita.com\/ricelectric\/items\/98a6d32b1bcfca598762<\/p>\n\n\n\n[7] https:\/\/www.texio.co.jp\/uploads\/gsp9330_m.pdf<\/p>\n\n\n\n[8] https:\/\/www.te.com\/ja\/whitepapers\/sensors\/wide-bandwidth-accelerometers.html<\/p>\n\n\n\n[9] https:\/\/www.nsk.com\/content\/dam\/nsk\/common\/products\/condition-monitoring\/bd-2-support\/BearingDoctor_BD-2_manual_ver.3.1.pdf<\/p>\n\n\n\n[10] https:\/\/y-d.co.jp\/jpdf2\/gsp930_m.pdf<\/p>\n\n\n\n[11] https:\/\/support.brck.co.jp\/download_file\/view\/176\/459<\/p>\n\n\n\n[12] https:\/\/dl.cdn-anritsu.com\/ja-jp\/test-measurement\/files\/Brochures-Datasheets-Catalogs\/Catalog\/2023emi-j-05-sa.pdf<\/p>\n\n\n\n[13] https:\/\/www.wakayama-u.ac.jp\/_files\/00588218\/JPB_0005275612.pdf<\/p>\n\n\n\n[14] https:\/\/www.soumu.go.jp\/main_content\/001005134.pdf<\/p>\n\n\n\n[15] https:\/\/www.jstage.jst.go.jp\/article\/kikaic\/79\/801\/79_1786\/_pdf\/-char\/ja<\/p>\n\n\n\n[16] https:\/\/www.ntn.co.jp\/japan\/products\/review\/pdf\/NTN_TechnicalReview_89.pdf<\/p>\n\n\n\n[17] https:\/\/naist.repo.nii.ac.jp\/record\/6612\/files\/R001221.pdf<\/p>\n\n\n\n[18] https:\/\/irid.or.jp\/wp-content\/uploads\/2020\/08\/gensiryokuryakugosyuu202008.pdf<\/p>\n\n\n\n[19] https:\/\/core.ac.uk\/download\/pdf\/286937074.pdf<\/p>\n\n\n\n[20] https:\/\/www.techeyesonline.com\/article\/tech-column\/detail\/Reference-FFTAnalyzer-02\/<\/p>\n\n\n\n
\u203b\u672c\u30da\u30fc\u30b8\u306f\u3001AI\u306e\u6d3b\u7528\u3084\u7814\u7a76\u306b\u95a2\u9023\u3059\u308b\u539f\u7406\u30fb\u6a5f\u5668\u30fb\u30c7\u30d0\u30a4\u30b9\u306b\u3064\u3044\u3066\u5b66\u3076\u305f\u3081\u306b\u3001\u500b\u4eba\u7684\u306b\u6574\u7406\u30fb\u8a18\u8ff0\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u3059\u3002\u5185\u5bb9\u306b\u306f\u8aa4\u308a\u3084\u898b\u843d\u3068\u3057\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u3082\u3057\u304a\u6c17\u3065\u304d\u306e\u70b9\u3084\u3054\u52a9\u8a00\u7b49\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u3001\u3054\u9023\u7d61\u3044\u305f\u3060\u3051\u307e\u3059\u3068\u5e78\u3044\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n \u203b\u672c\u30da\u30fc\u30b8\u306e\u5185\u5bb9\u306f\u3001\u500b\u4eba\u7684\u306a\u5b66\u7fd2\u304a\u3088\u3073\u60c5\u5831\u6574\u7406\u3092\u76ee\u7684\u3068\u3057\u3066\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u305d\u306e\u6b63\u78ba\u6027\u3001\u5b8c\u5168\u6027\u3001\u6709\u7528\u6027\u7b49\u306b\u3064\u3044\u3066\u3044\u304b\u306a\u308b\u4fdd\u8a3c\u3082\u884c\u3044\u307e\u305b\u3093\u3002\u672c\u30da\u30fc\u30b8\u306e\u60c5\u5831\u3092\u5229\u7528\u3057\u305f\u3053\u3068\u3001\u307e\u305f\u306f\u5229\u7528\u3067\u304d\u306a\u304b\u3063\u305f\u3053\u3068\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u305f\u640d\u5bb3\uff08\u76f4\u63a5\u7684\u30fb\u9593\u63a5\u7684\u30fb\u7279\u5225\u30fb\u5076\u767a\u7684\u30fb\u7d50\u679c\u7684\u640d\u5bb3\u3092\u542b\u307f\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306b\u9650\u308a\u307e\u305b\u3093\uff09\u306b\u3064\u3044\u3066\u3001\u5f53\u65b9\u306f\u4e00\u5207\u8cac\u4efb\u3092\u8ca0\u3044\u307e\u305b\u3093\u3002\u3054\u5229\u7528\u306f\u5229\u7528\u8005\u3054\u81ea\u8eab\u306e\u8cac\u4efb\u3067\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" 5. \u7279\u5fb4\u91cf\u62bd\u51fa 5.2 \u5468\u6ce2\u6570\u9818\u57df\u3067\u306e\u30d4\u30fc\u30af\u691c\u51fa \u5468\u6ce2\u6570\u9818\u57df\u3067\u306e\u30d4\u30fc\u30af\u691c\u51fa\u306f\u3001\u6642\u9593\u6ce2\u5f62\u306b\u96a0\u308c\u305f\u898f\u5247\u6027\u3084\u6a5f\u68b0\u7279\u6709\u306e\u300c\u6307\u7d0b\u300d\u3092\u53d6\u308a\u51fa\u3059\u305f\u3081\u306e\u57fa\u672c\u624b\u6bb5\u3067\u3042\u308b\u3002\u30d4\u30fc\u30af\u3068\u306f\u3001\u30b9\u30da\u30af\u30c8\u30eb\u4e0a\u3067\u5468\u56f2\u3088\u308a\u9855\u8457\u306b\u5927\u304d\u3044\u5468\u6ce2\u6570\u6210\u5206\u3092\u6307\u3057\u2026<\/p>\n","protected":false},"author":1,"featured_media":571,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-655","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research"],"_links":{"self":[{"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=\/wp\/v2\/posts\/655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=655"}],"version-history":[{"count":2,"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=\/wp\/v2\/posts\/655\/revisions"}],"predecessor-version":[{"id":804,"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=\/wp\/v2\/posts\/655\/revisions\/804"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=\/wp\/v2\/media\/571"}],"wp:attachment":[{"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shin-ichi.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}