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The system is regarded as equivalent to an electrical 2N-terminal network. In this case each terminal pair of the network corresponds to the one of the energy ports in the acoustical system. The steady state characteristics of the system are represented in the form of an acoustic impedance matrix which is analogous to an impedance matrix representation of the electrical 2N-terminal network described about. The mathematical treatment is based on the forced vibration solution of the steady state wave equation(Helmholtz equation). The relations between the acoustical impedance matrix and the Green function of the steady wave equation are discussed, and some formulas related to this point are obtained.", "subitem_description_type": "Abstract"}]}, "item_10_description_30": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7\uff08\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u7a2e\u985e\uff09", "attribute_value_mlt": [{"subitem_description": "Article", "subitem_description_type": "Other"}]}, "item_10_description_31": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff1amime\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_10_description_5": {"attribute_name": "\u5f15\u7528", "attribute_value_mlt": [{"subitem_description": "\u4fe1\u5dde\u5927\u5b66\u5de5\u5b66\u90e8\u7d00\u8981 7: 201-218 (1957)", "subitem_description_type": "Other"}]}, "item_10_publisher_4": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u4fe1\u5dde\u5927\u5b66\u5de5\u5b66\u90e8"}]}, "item_10_select_64": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_10_source_id_35": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0037-3818", "subitem_source_identifier_type": "ISSN"}]}, "item_10_source_id_39": {"attribute_name": "NII ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0037-3818", "subitem_source_identifier_type": "ISSN"}]}, "item_10_source_id_40": {"attribute_name": "\u66f8\u8a8c\u30ec\u30b3\u30fc\u30c9ID", "attribute_value_mlt": [{"subitem_source_identifier": "AN00121228", "subitem_source_identifier_type": "NCID"}]}, "item_10_text_66": {"attribute_name": "sortkey", "attribute_value_mlt": [{"subitem_text_value": "16"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "\u5b89\u7530,  \u529b"}], "nameIdentifiers": [{"nameIdentifier": "40040", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2015-09-28"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "Engineering07-16.pdf", "filesize": [{"value": "806.1 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 806100.0, "url": {"label": "Engineering07-16.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/13178/files/Engineering07-16.pdf"}, "version_id": "e40ef706-e516-4661-baf9-f5aee719dea0"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "\u97f3\u97ff\u7cfb\u306e\u96fb\u6c17\u56de\u8def\u7db2\u7684\u7279\u6027\u8868\u73fe", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "\u97f3\u97ff\u7cfb\u306e\u96fb\u6c17\u56de\u8def\u7db2\u7684\u7279\u6027\u8868\u73fe"}]}, "item_type_id": "10", "owner": "1", "path": ["1221/1223/1224/1300"], "permalink_uri": "http://hdl.handle.net/10091/11023", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2011-01-05"}, "publish_date": "2011-01-05", "publish_status": "0", "recid": "13178", "relation": {}, "relation_version_is_last": true, "title": ["\u97f3\u97ff\u7cfb\u306e\u96fb\u6c17\u56de\u8def\u7db2\u7684\u7279\u6027\u8868\u73fe"], "weko_shared_id": null}