{"links":{},"id":2009576,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02009576","sets":["1164:6390:1767693555964:1778574306379"]},"path":["1778574306379"],"owner":"80578","recid":"2009576","title":["Wi-Fi CSIを用いた土壌水分検知手法の検討"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2026-05-22"},"_buckets":{"deposit":"6183bd95-3f18-4d0c-b870-0a7b872066cf"},"_deposit":{"id":"2009576","pid":{"type":"depid","value":"2009576","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"Wi-Fi CSIを用いた土壌水分検知手法の検討","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Wi-Fi CSIを用いた土壌水分検知手法の検討","subitem_title_language":"ja"}]},"item_type_id":"4","publish_date":"2026-05-22","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"島根大学大学院自然科学研究科"},{"subitem_text_value":"島根大学学術研究院理工学系"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Natural Science and Technology, Shimane University","subitem_text_language":"en"},{"subitem_text_value":"Institute of Science and Engineering, Academic Assembly, Shimane University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/2009576/files/IPSJ-CDS26046004.pdf","label":"IPSJ-CDS26046004.pdf"},"date":[{"dateType":"Available","dateValue":"2028-05-22"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CDS26046004.pdf","filesize":[{"value":"5.4 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"47"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"0baa9b86-eb37-42c1-a618-2a3b981cd85a","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2026 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岡田,幸弥"}]},{"creatorNames":[{"creatorName":"神崎,映光"}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12628327","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8604","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"我々の研究グループでは，農業の灌漑最適化や土砂災害の予兆検知といった分野における低コストな非接触式土壌水分検知の実現を目指し，Wi-Fi電波を活用した検知手法の確立に取り組んでいる．本稿では，Wi-Fiの物理層情報であるチャネル状態情報（Channel State Information，CSI）の伝搬特性の変化に着目した手法の設計および実環境での評価を行う．提案手法では，生のCSIデータに対してデバイスオフセット補正およびノイズ低減といった前処理を行い，純粋な伝搬特性の抽出を図った上で，土壌水分の変動を反映する特徴量としてサブキャリア間の振幅比を算出する．さらに本稿では，土壌内水位を変化させる計測実験を通して，水位上昇に伴うCSI振幅比の変動を確認し，本手法による水分変化の検知可能性を示す．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告コンシューマ・デバイス＆システム（CDS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2026-05-22","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"2026-CDS-46"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"created":"2026-05-12T08:35:05.314496+00:00","updated":"2026-05-12T08:35:11.277391+00:00"}