{"id":7283,"date":"2025-08-25T09:29:48","date_gmt":"2025-08-25T00:29:48","guid":{"rendered":"https:\/\/camris.ist.nagasaki-u.ac.jp\/?p=7283"},"modified":"2025-08-27T00:57:33","modified_gmt":"2025-08-26T15:57:33","slug":"%e6%97%ad%e5%8c%96%e6%88%90%e3%83%9e%e3%82%a4%e3%82%af%e3%83%ad%e3%83%86%e3%82%af%e3%83%8e%e3%83%ad%e3%82%b8%e3%88%b1-%e7%a8%b2%e7%94%b0%e6%a7%98%ef%bc%8c%e8%8f%85%e5%8e%9f%e6%a7%98%e3%80%80%e3%82%a2","status":"publish","type":"post","link":"https:\/\/camris.ist.nagasaki-u.ac.jp\/?p=7283","title":{"rendered":"[\u4eba\u6750\u80b2\u6210]\u3000\u30de\u30a4\u30af\u30ed\u30c7\u30d0\u30a4\u30b9\u7dcf\u8ad6\u3000\u65ed\u5316\u6210\u30de\u30a4\u30af\u30ed\u30c6\u30af\u30ce\u30ed\u30b8\u3231\uff1a \u7a32\u7530\u69d8\uff0c\u83c5\u539f\u69d8\u3000\u30a2\u30ca\u30ed\u30b0\u96c6\u7a4d\u56de\u8def\u8a2d\u8a08\u2015 ADC \/ DAC\u8a2d\u8a08\u306e\u73fe\u5834\u304b\u3089 \u2015"},"content":{"rendered":"\n

2025\u5e748\u670822\u65e5(\u91d1)\u3001\u9577\u5d0e\u5927\u5b66\u5927\u5b66\u9662\u751f\u5411\u3051\u96c6\u4e2d\u8b1b\u7fa9\u300c\u30de\u30a4\u30af\u30ed\u30c7\u30d0\u30a4\u30b9\u7dcf\u8ad6\u300d\u306b\u3066\u3001\u65ed\u5316\u6210\u30de\u30a4\u30af\u30ed\u30c6\u30af\u30ce\u30ed\u30b8\u682a\u5f0f\u4f1a\u793e<\/a>\u306e\u7a32\u7530\u69d8\u304a\u3088\u3073\u83c5\u539f\u69d8\u3092\u8b1b\u5e2b\u306b\u8fce\u3048\u3001\u30a2\u30ca\u30ed\u30b0\u534a\u5c0e\u4f53\uff08ADC \/ DAC\uff09\u8a2d\u8a08\u306e\u5b9f\u52d9\u3068\u305d\u306e\u9b45\u529b\u306b\u3064\u3044\u3066\u3054\u8b1b\u6f14\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/h2>\n\n\n\n
\n\n\n\n
\"\"
\u83c5\u539f\u69d8\uff08\u5de6\uff09\u304a\u3088\u3073\u7a32\u7530\u69d8\uff08\u53f3\uff09<\/figcaption><\/figure>\n\n\n\n
\n\n\n\n

\u97f3\u3068\u30c7\u30b8\u30bf\u30eb\u306e\u67b6\u3051\u6a4b \u2014 ADC\u306e\u5b58\u5728\u610f\u7fa9<\/h3>\n\n\n\n

\u8b1b\u7fa9\u306f\uff0c\u30aa\u30fc\u30c7\u30a3\u30aa\u7528\u30a2\u30ca\u30ed\u30b0\u30fc\u30c7\u30a3\u30b8\u30bf\u30eb\u5909\u63db\u5668\uff08ADC\uff09 LSI\u958b\u767a\u30fb\u8a2d\u8a08\u30fb\u8ca9\u58f2\u3092\u624b\u639b\u3051\u308b\u65ed\u5316\u6210\u30de\u30a4\u30af\u30ed\u30c6\u30af\u30ce\u30ed\u30b8\u793e\u69d8\u306e\u696d\u52d9\u5185\u5bb9\u3084\u793e\u5916\u6a5f\u95a2\u3068\u306e\u5171\u540c\u7814\u7a76\uff0f\u516c\u52df\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u304b\u3089\u59cb\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u7d9a\u3044\u3066\uff0c\u300c\u306a\u305cADC\u304c\u5fc5\u8981\u304b\u300d\u3068\u3044\u3046\u6839\u672c\u7684\u306a\u554f\u3044\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002\u79c1\u305f\u3061\u306e\u4e16\u754c\u306f\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u3067\u6e80\u3061\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u30c7\u30b8\u30bf\u30eb\u5316\u3057\u3001\u9ad8\u7cbe\u5ea6\u306b\u4fdd\u5b58\u30fb\u51e6\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u97f3\u97ff\u54c1\u8cea\u3084\u30bb\u30f3\u30b5\u30fc\u8a08\u6e2c\u7cbe\u5ea6\u3001\u30b7\u30b9\u30c6\u30e0\u5236\u5fa1\u6027\u80fd\u304c\u98db\u8e8d\u7684\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002
\u7a32\u7530\u69d8\u306f\u3001\u65e5\u5e38\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u97f3\u697d\u518d\u751f\u6a5f\u5668\u3084\u9332\u97f3\u6a5f\u6750\u3092\u4f8b\u306b\u6319\u3052\u3001ADC\u306e\u5f79\u5272\u304c\u3044\u304b\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u304b\u3092\u3001\u8074\u899a\u306b\u8a34\u3048\u308b\u751f\u304d\u305f\u8aac\u660e\u3067\u7d39\u4ecb\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\n\n\n\n

\u7406\u8ad6\u3092\u652f\u3048\u308b\u57fa\u790e \u2014 \u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3068\u91cf\u5b50\u5316\u8aa4\u5dee<\/h3>\n\n\n\n

\u6b21\u306b\u53d6\u308a\u4e0a\u3052\u3089\u308c\u305f\u306e\u306f\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u7406\u8ad6\u3068\u91cf\u5b50\u5316\u8aa4\u5dee\u3002\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u3092\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u306b\u5909\u63db\u3059\u308b\u969b\u306e\u300c\u6a19\u672c\u5316\u300d\u306e\u8003\u3048\u65b9\u3084\u3001\u4fe1\u53f7\u3092\u6709\u9650\u306e\u30d3\u30c3\u30c8\u6570\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u8aa4\u5dee\u306b\u3064\u3044\u3066\u3001\u30b0\u30e9\u30d5\u3084\u6ce2\u5f62\u3092\u7528\u3044\u3066\u89e3\u8aac\u3055\u308c\u307e\u3057\u305f\u3002
\u3053\u306e\u30d1\u30fc\u30c8\u3067\u306f\u3001\u7406\u8ad6\u3060\u3051\u3067\u306a\u304f\u8aa4\u5dee\u304c\u5b9f\u969b\u306e\u97f3\u8cea\u3084\u8a08\u6e2c\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3082\u97f3\u58f0\u30b5\u30f3\u30d7\u30eb\u3092\u4ea4\u3048\u3066\u5b9f\u6f14\u3002\u5b66\u751f\u305f\u3061\u306f\u6ce2\u5f62\u89e3\u6790\u3068\u8033\u3067\u306e\u78ba\u8a8d\u3092\u884c\u3044\u3001\u6570\u5024\u3068\u611f\u899a\u306e\u4e21\u9762\u304b\u3089\u7406\u89e3\u3092\u6df1\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\n\n\n\n

\u591a\u69d8\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3 \u2014 \u5909\u63db\u65b9\u5f0f\u306e\u7279\u5fb4\u3068\u9078\u629e<\/h3>\n\n\n\n

ADC\u306b\u3082\u8907\u6570\u306e\u65b9\u5f0f\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u578b\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u578b\u3001\u9010\u6b21\u6bd4\u8f03\u578b\uff08SAR\uff09\u3001\u0394\u03a3\uff08\u30c7\u30eb\u30bf\u30b7\u30b0\u30de\uff09\u578b\u3068\u3044\u3063\u305f\u4ee3\u8868\u7684\u306a\u69cb\u9020\u306b\u3064\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u52d5\u4f5c\u539f\u7406\u3068\u9577\u6240\u30fb\u77ed\u6240\u304c\u8aac\u660e\u3055\u308c\u307e\u3057\u305f\u3002
\u4f8b\u3048\u3070\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u578b\u306f\u8d85\u9ad8\u901f\u3060\u304c\u56de\u8def\u898f\u6a21\u304c\u5927\u304d\u304f\u3001\u0394\u03a3\u578b\u306f\u9ad8\u5206\u89e3\u80fd\u3067\u97f3\u97ff\u5411\u304d\u3060\u304c\u51e6\u7406\u901f\u5ea6\u306f\u4f4e\u3081\u3001\u306a\u3069\u5b9f\u52d9\u8a2d\u8a08\u306b\u76f4\u7d50\u3059\u308b\u8996\u70b9\u304c\u5f37\u8abf\u3055\u308c\u307e\u3057\u305f\u3002\u83c5\u539f\u69d8\u306f\u8a2d\u8a08\u73fe\u5834\u3067\u306e\u9078\u629e\u7406\u7531\u3084\u3001\u4ed5\u69d8\u691c\u8a0e\u306e\u88cf\u5074\u306b\u3064\u3044\u3066\u3082\u5177\u4f53\u7684\u306b\u8a00\u53ca\u3057\u3001\u5b66\u751f\u306e\u95a2\u5fc3\u3092\u5f15\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\n\n\n\n

\u6570\u5024\u304c\u8a9e\u308b\u6027\u80fd \u2014 S\/N\u6bd4\u3068THD\u306e\u91cd\u8981\u6027<\/h3>\n\n\n\n

\u6027\u80fd\u8a55\u4fa1\u306b\u306f\u3001S\/N\u6bd4\uff08\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\uff09\u3084THD\uff08\u5168\u9ad8\u8abf\u6ce2\u6b6a\uff09\u3068\u3044\u3063\u305f\u6307\u6a19\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u8b1b\u7fa9\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5024\u304c\u30aa\u30fc\u30c7\u30a3\u30aa\u54c1\u8cea\u3084\u8a08\u6e2c\u7cbe\u5ea6\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u304b\u304c\u3001\u97f3\u6e90\u518d\u751f\u3092\u901a\u3058\u3066\u793a\u3055\u308c\u307e\u3057\u305f\u3002
\u7406\u8ad6\u5024\u3068\u5b9f\u969b\u306e\u8074\u611f\u306e\u5dee\u3092\u4f53\u611f\u3067\u304d\u305f\u3053\u3068\u3067\u3001\u5b66\u751f\u305f\u3061\u306f\u300c\u30b9\u30da\u30c3\u30af\u306e\u6570\u5024\u304c\u610f\u5473\u3059\u308b\u672c\u5f53\u306e\u4fa1\u5024\u300d\u3092\u76f4\u611f\u7684\u306b\u7406\u89e3\u3059\u308b\u6a5f\u4f1a\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\n\n\n\n

\u30bb\u30f3\u30b5\u30fc\u3068\u878d\u5408\u3059\u308b\u672a\u6765 \u2014 \u65b0\u305f\u306a\u5fdc\u7528\u9818\u57df<\/h3>\n\n\n\n

ADC\u6280\u8853\u306f\u3001\u78c1\u6c17\u30bb\u30f3\u30b5\u3084\u96fb\u6d41\u30bb\u30f3\u30b5\u306a\u3069\u306e\u5468\u8fba\u6280\u8853\u3068\u878d\u5408\u3059\u308b\u3053\u3068\u3067\u3001\u65b0\u305f\u306a\u5fdc\u7528\u9818\u57df\u3092\u5207\u308a\u958b\u304d\u307e\u3059\u3002\u7a32\u7530\u69d8\u306f\u3001\u5efa\u7bc9\u97f3\u97ff\u3084\u7523\u696d\u8a08\u6e2c\u3068\u3044\u3063\u305f\u7570\u5206\u91ce\u3067\u306e\u6d3b\u7528\u4e8b\u4f8b\u3092\u7d39\u4ecb\u3057\u3001\u30de\u30a4\u30af\u30ed\u30c7\u30d0\u30a4\u30b9\u304c\u793e\u4f1a\u306b\u3082\u305f\u3089\u3059\u5e83\u7bc4\u306a\u4fa1\u5024\u3092\u63d0\u793a\u3055\u308c\u307e\u3057\u305f\u3002
\u7279\u306b\u3001\u97f3\u97ff\u5206\u91ce\u306b\u304a\u3051\u308b\u9ad8\u7cbe\u5ea6\u6e2c\u5b9a\u306f\u5efa\u7bc9\u8a2d\u8a08\u3084\u88fd\u54c1\u958b\u767a\u306b\u76f4\u7d50\u3059\u308b\u305f\u3081\u3001\u5b66\u751f\u305f\u3061\u306f\u81ea\u3089\u306e\u7814\u7a76\u30c6\u30fc\u30de\u3068\u306e\u95a2\u9023\u6027\u3092\u71b1\u5fc3\u306b\u6a21\u7d22\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\n\n\n\n

\u6280\u8853\u3068\u4eba\u3092\u80b2\u3066\u308b \u2014 Velvet Sound\u3068\u30de\u30a4\u30b9\u30bf\u30fc\u5236\u5ea6<\/h3>\n\n\n\n

\u65ed\u5316\u6210\u30b0\u30eb\u30fc\u30d7\u306e\u9ad8\u97f3\u8cea\u30d6\u30e9\u30f3\u30c9\u300cVelvet Sound\u300d<\/strong>\u306f\u3001\u4e16\u754c\u7684\u306a\u30aa\u30fc\u30c7\u30a3\u30aa\u30e1\u30fc\u30ab\u30fc\u306b\u3082\u63a1\u7528\u3055\u308c\u308b\u54c1\u8cea\u306e\u8c61\u5fb4\u3067\u3059\u3002\u305d\u306e\u958b\u767a\u3092\u652f\u3048\u308b\u306e\u304c\u3001\u793e\u5185\u3067\u306e\u6280\u8853\u8005\u80b2\u6210\u5236\u5ea6\u300c\u30de\u30a4\u30b9\u30bf\u30fc\u300d<\/strong>\u3002\u82e5\u624b\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u5148\u8f29\u6280\u8853\u8005\u304b\u3089\u77e5\u8b58\u3068\u7d4c\u9a13\u3092\u4f53\u7cfb\u7684\u306b\u5b66\u3073\u3001\u6b21\u4e16\u4ee3\u306e\u88fd\u54c1\u958b\u767a\u3092\u62c5\u3046\u4f53\u5236\u3065\u304f\u308a\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u8b1b\u7fa9\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u4f01\u696d\u6587\u5316\u3084\u4eba\u6750\u80b2\u6210\u306e\u91cd\u8981\u6027\u304c\u8a9e\u3089\u308c\u3001\u6280\u8853\u3068\u4eba\u6750\u304c\u76f8\u4e92\u306b\u9ad8\u3081\u5408\u3046\u4f01\u696d\u306e\u59ff\u52e2\u304c\u5370\u8c61\u3065\u3051\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

2025\u5e748\u670822\u65e5(\u91d1)\u3001\u9577\u5d0e\u5927\u5b66\u5927\u5b66\u9662\u751f\u5411\u3051\u96c6\u4e2d\u8b1b\u7fa9\u300c\u30de\u30a4\u30af\u30ed\u30c7\u30d0\u30a4\u30b9\u7dcf\u8ad6\u300d\u306b\u3066\u3001\u65ed\u5316\u6210\u30de\u30a4\u30af\u30ed […]<\/p>\n","protected":false},"author":1,"featured_media":7301,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1,15,21],"tags":[],"class_list":["post-7283","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","category-15","category-21"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/camris.ist.nagasaki-u.ac.jp\/wp-content\/uploads\/2025\/08\/20250822_103129-scaled-e1756045045852.jpg?fit=1740%2C1182&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/7283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7283"}],"version-history":[{"count":7,"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/7283\/revisions"}],"predecessor-version":[{"id":7330,"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=\/wp\/v2\/posts\/7283\/revisions\/7330"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=\/wp\/v2\/media\/7301"}],"wp:attachment":[{"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/camris.ist.nagasaki-u.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}