{"_buckets": {"deposit": "d4c4df6b-2a21-469f-91fa-4f0c1522351b"}, "_deposit": {"id": "32156", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "32156"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00032156", "sets": []}, "author_link": ["71469", "71470", "71467", "71468"], "item_4_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "An Evaluation of Secondhand Rubidium Atomic Frequency Standards"}]}, "item_4_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2013", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "12", "bibliographicPageStart": "7", "bibliographicVolumeNumber": "19", "bibliographic_titles": [{"bibliographic_title": "\u6280\u8853\u7814\u7a76\u5831\u544a"}]}]}, "item_4_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "The output frequency of a secondhand rubidium atomic frequency standard (FE-5680A) was inexpensively obtained and examined. After connecting a terminal for the frequency output, a sinusoidal AC signal with a peak-to-peak voltage of 2V could be detected. The output frequency was approximately 8.4 MHz and its precision was 0.0001 Hz. Its long-term stability and temperature dependency were estimated to be better than 10\uff0d11/day and 10\uff0d11/K, respectively, which are smaller than the values listed in the datasheet. Although the warm-up time was about 20% longer than the listed value, the peak power consumption was about 33% smaller. \u3000\u3000The high level of precision and stability would allow the device to be used to, for example, the frequency counter circuit of a proton precession magnetometer for measuring the geomagnetic total intensity.", "subitem_description_type": "Abstract"}]}, "item_4_description_6": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\uff1c\u8ad6\u8aac\uff1e", "subitem_description_type": "Other"}]}, "item_4_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "71469", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "OGAWA, Tsutomu"}]}, {"nameIdentifiers": [{"nameIdentifier": "71470", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "URANO, Sachiko"}]}]}, "item_4_identifier_registration": {"attribute_name": "ID\u767b\u9332", 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