{"id":10364,"date":"2024-03-23T11:17:48","date_gmt":"2024-03-23T02:17:48","guid":{"rendered":"https:\/\/www11.ieice.org\/cs\/ap\/wp\/?page_id=10364"},"modified":"2025-12-05T19:19:17","modified_gmt":"2025-12-05T10:19:17","slug":"vegetation_loss_with_seasonal_characteristics","status":"publish","type":"page","link":"https:\/\/www.ieice.org\/cs\/ap\/misc\/denpan-db\/prop_model_db\/model_list\/vegetation_loss_with_seasonal_characteristics\/","title":{"rendered":"\u3010 \u5b63\u7bc0\u7279\u6027\u3092\u8003\u616e\u3057\u305f\u690d\u751f\u640d\u5931\uff08\u8868\u307b\u304b\u30012022\uff09\u3011"},"content":{"rendered":"<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_10364\" class=\"pvc_stats all  pvc_load_by_ajax_update\" data-element-id=\"10364\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>(since 2025\/12\/5)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e2\u30c7\u30eb\u306e\u6982\u8981<\/h3>\n\n\n\n<p>\u690d\u7269\uff08\u4e3b\u306b\u8449\u306e\u7e41\u3063\u305f\u6a39\u6728\uff09\u304c\u4f1d\u642c\u8def\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u4f1d\u642c\u640d\u5931\uff08<a href=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/misc\/denpan-db\/prop_model_db\/model_list\/vegetation_loss\/\">\u690d\u751f\u640d\u5931<\/a>\uff09\u304c\u767a\u751f\u3059\u308b\u3002\u690d\u751f\u640d\u5931\u306f\u3001\u8449\u306e\u591a\u3044\u5b63\u7bc0\u3068\u8449\u306e\u5c11\u306a\u3044\u5b63\u7bc0\u3067\u7570\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u308b[1]\u3002 \u3000<br>\u3000\u672c\u30e2\u30c7\u30eb\u306f\u3001\u4e0a\u7a7a\u304b\u3089\u5230\u6765\u3059\u308b\u96fb\u6ce2\uff08\u30b9\u30e9\u30f3\u30c8\u30d1\u30b9\uff09\u306e\u690d\u751f\u640d\u5931\u30e2\u30c7\u30eb\u306b\u3001\u5b63\u7bc0\u7279\u6027\u3092\u8ffd\u52a0\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002\u3000<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"612\" height=\"612\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2024\/03\/\u690d\u751f_\u56f31.png\" alt=\"\" class=\"wp-image-10922\" style=\"width:308px;height:auto\" srcset=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2024\/03\/\u690d\u751f_\u56f31.png 612w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2024\/03\/\u690d\u751f_\u56f31-300x300.png 300w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2024\/03\/\u690d\u751f_\u56f31-150x150.png 150w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/figure><\/div>\n\n\n<p>\u3000<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6570\u5f0f<\/strong><\/h3>\n\n\n\n<p>\\(<br>L \\: ({\\rm dB})=Af^B \\log_{10}(d_v)(\u03b8+E)^G\u20134\\\\<br>\\tag{1}<br>\\)<\/p>\n\n\n\n<p>\\(<br>B=(0.302\u20130.0036k_h)(f\/1000)^{(0.0013-0.0262k_h)}\\\\\\<br>\\tag{2}<br>\\)<\/p>\n\n\n\n<p>\\(<br>k_h=|Month\u20136.5| \\quad (\u5357\u534a\u7403\u3067\u306f\u3001 k_h = 6 \u2013|Month \u2013 6.5|) <br>\\tag{3}<br>\\)<\/p>\n\n\n\n<p>\u305f\u3060\u3057\uff0c\\(A\\)\u3001\\(E\\)\u3001\\(G\\)\u306f\u6728\u306e\u7a2e\u985e\u306b\u95a2\u4fc2\u3059\u308b\u4fc2\u6570\u3067\u3042\u308a\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u4fc2\u6570\u3000\u3000<\/td><td>Japanese cedar<\/td><td>Kenyan juniperus\u3000<\/td><\/tr><tr><td>\\(A\\)<\/td><td>1.87<\/td><td>1.5<\/td><\/tr><tr><td>\\(E\\)<\/td><td>0.01<\/td><td>0.01<\/td><\/tr><tr><td>\\(G\\)<\/td><td>\uff700.12<\/td><td>\uff700.12<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>\u8a18\u53f7<\/td><td>\u30d1\u30e9\u30e1\u30fc\u30bf\u8aac\u660e [\u5358\u4f4d]<\/td><td>\u9069\u7528\u7bc4\u56f2<\/td><\/tr><tr><td>\\(f\\)<\/td><td>\u5468\u6ce2\u6570 [MHz]<\/td><td>700\uff5e6000<\/td><\/tr><tr><td>\\(\u03b8\\)<\/td><td>\u4ef0\u89d2 [deg.]<\/td><td>0\uff5e85<\/td><\/tr><tr><td>\\(d_v\\)<\/td><td>\u68ee\u6797\u306e\u901a\u904e\u8ddd\u96e2 [m]<\/td><td>5\uff5e500<\/td><\/tr><tr><td>\\(Month\\)<\/td><td>\u6708<\/td><td>1, 2,\\(&#8230;\\), 12<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a08\u7b97\u4f8b<\/h3>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"679\" height=\"602\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2024\/03\/image-34.png\" alt=\"\" class=\"wp-image-10824\" style=\"width:338px;height:auto\" srcset=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2024\/03\/image-34.png 679w, https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2024\/03\/image-34-300x266.png 300w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u7167<\/h2>\n\n\n\n[1] H. Omote, A. Sato, S. Kimura, S. Tanaka and H.Y. Lin, \u201cHighly Accurate Vegetation Loss Model with Seasonal Characteristics for High-Altitude Platform Station,\u201d IEICE Transactions on Communications, vol.E105-B, no.10, pp.1209-1218, Oct. 2022.<\/p>\n\n\n\n[2] Recommendation ITU-R P.833-10, \u201cAttenuation in vegetation\u201d, 2021.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30e2\u30c7\u30eb\u306e\u6982\u8981 \u690d\u7269\uff08\u4e3b\u306b\u8449\u306e\u7e41\u3063\u305f\u6a39\u6728\uff09\u304c\u4f1d\u642c\u8def\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u4f1d\u642c\u640d\u5931\uff08\u690d\u751f\u640d\u5931\uff09\u304c\u767a\u751f\u3059\u308b\u3002\u690d\u751f\u640d\u5931\u306f\u3001\u8449\u306e\u591a\u3044\u5b63\u7bc0\u3068\u8449\u306e\u5c11\u306a\u3044\u5b63\u7bc0\u3067\u7570\u306a\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u308b[1]\u3002 \u3000\u3000\u672c\u30e2\u30c7\u30eb\u306f\u3001\u4e0a\u7a7a\u304b\u3089\u5230\u6765\u3059\u308b\u96fb\u6ce2\uff08\u30b9\u30e9\u30f3\u30c8\u30d1 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":12073,"menu_order":72,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-10364","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/10364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/comments?post=10364"}],"version-history":[{"count":99,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/10364\/revisions"}],"predecessor-version":[{"id":14891,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/10364\/revisions\/14891"}],"up":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/12073"}],"wp:attachment":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/media?parent=10364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}