{"id":25001,"date":"2022-04-16T07:50:22","date_gmt":"2022-04-16T12:50:22","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/measuring-distance-with-sound-waves\/"},"modified":"2025-01-21T03:20:25","modified_gmt":"2025-01-21T08:20:25","slug":"measuring-distance-with-sound-waves","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/ja\/measuring-distance-with-sound-waves\/","title":{"rendered":"\u97f3\u6ce2\u3092\u7528\u3044\u305f\u8ddd\u96e2\u6e2c\u5b9a\u6280\u8853\u306e\u63a2\u6c42"},"content":{"rendered":"

\u97f3\u306f\u7a7a\u6c17\u4e2d\u3092\u6ce2\u306e\u3088\u3046\u306b\u4f1d\u308f\u308a\u307e\u3059\u3002\u3053\u306e\u97f3\u6ce2\u306e\u7279\u6027\u3092\u5229\u7528\u3057\u3066\u8ddd\u96e2\u3092\u6e2c\u5b9a\u3059\u308b\u6280\u8853\u306f\u3001\u79c1\u305f\u3061\u306e\u751f\u6d3b\u306e\u69d8\u3005\u306a\u5834\u9762\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u307e\u3059\u3002\u8eab\u8fd1\u306a\u3068\u3053\u308d\u3067\u306f\u99d0\u8eca\u5834\u306e\u30bb\u30f3\u30b5\u30fc\u3084\u3001\u533b\u7642\u73fe\u5834\u3067\u306e\u8d85\u97f3\u6ce2\u691c\u67fb\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u306e\u539f\u7406\u3084\u5fdc\u7528\u3001\u305d\u3057\u3066\u4eca\u5f8c\u306e\u5c55\u671b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u97f3\u6ce2\u306b\u3088\u308b\u8ddd\u96e2\u6e2c\u5b9a\u306e\u539f\u7406<\/h3>\n

\u97f3\u6ce2\u306b\u3088\u308b\u8ddd\u96e2\u6e2c\u5b9a\u306e\u57fa\u672c\u539f\u7406\u306f\u3001\u97f3\u6ce2\u3092\u767a\u5c04\u3057\u3001\u5bfe\u8c61\u7269\u306b\u53cd\u5c04\u3057\u3066\u623b\u3063\u3066\u304f\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u8a08\u6e2c\u3057\u3001\u97f3\u901f\u3092\u639b\u3051\u3066\u8ddd\u96e2\u3092\u7b97\u51fa\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u5f0f\u3067\u8868\u3059\u3068\u3001\u8ddd\u96e2 = (\u97f3\u901f \u00d7 \u6642\u9593) \/ 2 \u3068\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u30672\u3067\u5272\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u97f3\u6ce2\u304c\u5f80\u5fa9\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u97f3\u901f\u306f\u6c17\u6e29\u3084\u6e7f\u5ea6\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u6b63\u78ba\u306a\u6e2c\u5b9a\u306b\u306f\u3053\u308c\u3089\u306e\u8981\u7d20\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u8d85\u97f3\u6ce2\u3092\u7528\u3044\u305f\u8ddd\u96e2\u6e2c\u5b9a<\/h3>\n

\u4eba\u9593\u306e\u8033\u3067\u805e\u3053\u3048\u308b\u97f3\u306e\u5468\u6ce2\u6570\u3088\u308a\u3082\u9ad8\u3044\u5468\u6ce2\u6570\u3092\u6301\u3064\u97f3\u6ce2\u3092\u8d85\u97f3\u6ce2\u3068\u547c\u3073\u307e\u3059\u3002\u8d85\u97f3\u6ce2\u306f\u6307\u5411\u6027\u304c\u9ad8\u304f\u3001\u72ed\u3044\u7bc4\u56f2\u306b\u96c6\u4e2d\u3057\u3066\u97f3\u6ce2\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u8ddd\u96e2\u6e2c\u5b9a\u306b\u304a\u3044\u3066\u306f\u7279\u306b\u6709\u7528\u3067\u3059\u3002\u307e\u305f\u3001\u6ce2\u9577\u304c\u77ed\u3044\u305f\u3081\u3001\u5c0f\u3055\u306a\u7269\u4f53\u3082\u691c\u77e5\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

\u5fdc\u7528\u4f8b<\/h3>\n\n\n\n\n\n\n\n\n
\u5fdc\u7528\u4f8b<\/th>\n\u8aac\u660e<\/th>\n\u4f7f\u7528\u5468\u6ce2\u6570\u5e2f<\/th>\n<\/tr>\n<\/thead>\n
\u99d0\u8eca\u5834\u306e\u30bb\u30f3\u30b5\u30fc<\/td>\n\u8eca\u4e21\u3068\u306e\u8ddd\u96e2\u3092\u6e2c\u5b9a\u3057\u3001\u8b66\u544a\u97f3\u3067\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u652f\u63f4<\/td>\n40kHz<\/td>\n<\/tr>\n
\u8d85\u97f3\u6ce2\u30ec\u30d9\u30eb\u8a08<\/td>\n\u6db2\u4f53\u3084\u7c89\u4f53\u306e\u30ec\u30d9\u30eb\u3092\u975e\u63a5\u89e6\u3067\u6e2c\u5b9a<\/td>\n\u6570\u5341kHz<\/td>\n<\/tr>\n
\u533b\u7642\u7528\u8d85\u97f3\u6ce2\u8a3a\u65ad\u88c5\u7f6e<\/td>\n\u4f53\u5185\u306e\u81d3\u5668\u306e\u72b6\u614b\u3092\u753b\u50cf\u5316<\/td>\n2MHz – 10MHz<\/td>\n<\/tr>\n
\u30bd\u30ca\u30fc<\/td>\n\u6c34\u4e2d\u306b\u304a\u3051\u308b\u7269\u4f53\u306e\u63a2\u77e5\u3084\u8ddd\u96e2\u6e2c\u5b9a<\/td>\n\u6570kHz – \u6570\u767ekHz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8d85\u97f3\u6ce2\u30bb\u30f3\u30b5\u30fc\u306e\u7a2e\u985e<\/h3>\n

\u8d85\u97f3\u6ce2\u30bb\u30f3\u30b5\u30fc\u306b\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066\u5727\u96fb\u7d20\u5b50\u3092\u7528\u3044\u305f\u3082\u306e\u3068\u9759\u96fb\u5bb9\u91cf\u578b\u304c\u3042\u308a\u307e\u3059\u3002\u5727\u96fb\u7d20\u5b50\u306f\u3001\u96fb\u5727\u3092\u52a0\u3048\u308b\u3068\u632f\u52d5\u3057\u3001\u9006\u306b\u632f\u52d5\u3092\u4e0e\u3048\u308b\u3068\u96fb\u5727\u304c\u767a\u751f\u3059\u308b\u6027\u8cea\u3092\u6301\u3064\u6750\u6599\u3067\u3059\u3002\u3053\u306e\u6027\u8cea\u3092\u5229\u7528\u3057\u3066\u3001\u97f3\u6ce2\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001\u9759\u96fb\u5bb9\u91cf\u578b\u306f\u3001\u96fb\u6975\u9593\u306e\u9759\u96fb\u5bb9\u91cf\u306e\u5909\u5316\u3092\u691c\u77e5\u3059\u308b\u3053\u3068\u3067\u97f3\u6ce2\u3092\u691c\u77e5\u3057\u307e\u3059\u3002<\/p>\n

\u6e2c\u5b9a\u7cbe\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0<\/h3>\n

\u97f3\u6ce2\u306b\u3088\u308b\u8ddd\u96e2\u6e2c\u5b9a\u306e\u7cbe\u5ea6\u306f\u3001\u69d8\u3005\u306a\u8981\u56e0\u306b\u3088\u3063\u3066\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u4e3b\u306a\u8981\u56e0\u3068\u3057\u3066\u306f\u3001\u6c17\u6e29\u3084\u6e7f\u5ea6\u306b\u3088\u308b\u97f3\u901f\u306e\u5909\u5316\u3001\u5bfe\u8c61\u7269\u306e\u6750\u8cea\u3084\u5f62\u72b6\u3001\u305d\u3057\u3066\u30bb\u30f3\u30b5\u30fc\u81ea\u4f53\u306e\u6027\u80fd\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u591a\u5b54\u8cea\u306e\u7269\u8cea\u306f\u97f3\u6ce2\u3092\u5438\u53ce\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u6b63\u78ba\u306a\u6e2c\u5b9a\u304c\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u4eca\u5f8c\u306e\u5c55\u671b<\/h3>\n

\u97f3\u6ce2\u306b\u3088\u308b\u8ddd\u96e2\u6e2c\u5b9a\u6280\u8853\u306f\u3001IoT\u6280\u8853\u306e\u767a\u5c55\u3068\u3068\u3082\u306b\u307e\u3059\u307e\u3059\u9032\u5316\u3057\u3066\u3044\u304f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30c9\u30ed\u30fc\u30f3\u3078\u306e\u642d\u8f09\u3084\u3001\u30ed\u30dc\u30c3\u30c8\u306e\u81ea\u5f8b\u822a\u884c\u306a\u3069\u3001\u69d8\u3005\u306a\u5206\u91ce\u3067\u306e\u5fdc\u7528\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3088\u308a\u5c0f\u578b\u3067\u9ad8\u7cbe\u5ea6\u306a\u30bb\u30f3\u30b5\u30fc\u306e\u958b\u767a\u3001\u305d\u3057\u3066\u74b0\u5883\u5909\u5316\u3078\u306e\u5bfe\u5fdc\u529b\u306e\u5411\u4e0a\u306a\u3069\u304c\u4eca\u5f8c\u306e\u8ab2\u984c\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n

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