{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T21:23:35Z","timestamp":1782854615134,"version":"3.54.5"},"reference-count":24,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2023,11,14]],"date-time":"2023-11-14T00:00:00Z","timestamp":1699920000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Hainan Provincial Joint Project of Sanya Yazhou Bay Science and Technology City","award":["2021CXLH0018"],"award-info":[{"award-number":["2021CXLH0018"]}]},{"name":"Hainan institute Foundation of Zhejiang University","award":["2021CXLH0018"],"award-info":[{"award-number":["2021CXLH0018"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A sandwiched piezoelectric accelerometer is developed and optimized for acquiring low-frequency, wide-band seismic data. The proposed accelerometer addresses the challenges of capturing seismic signals in the low-frequency range while maintaining a broad frequency response through the design of multi-stage charge amplifiers and a sandwiched structure. The device\u2019s design, fabrication process, and performance evaluation are discussed in detail. Experimental results demonstrate its performance in amplitude and phase response characteristics.<\/jats:p>","DOI":"10.3390\/s23229168","type":"journal-article","created":{"date-parts":[[2023,11,14]],"date-time":"2023-11-14T09:46:13Z","timestamp":1699955173000},"page":"9168","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Development of a Sandwiched Piezoelectric Accelerometer for Low-Frequency and Wide-Band Seismic Exploration"],"prefix":"10.3390","volume":"23","author":[{"given":"Hengguang","family":"Shen","sequence":"first","affiliation":[{"name":"Hainan Institute of Zhejiang University, Sanya 572025, China"},{"name":"Weihai Sunfull Geophysical Exploration Equipment Co., Ltd., Weihai 264209, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6288-5321","authenticated-orcid":false,"given":"Zhaolin","family":"Zhu","sequence":"additional","affiliation":[{"name":"Hainan Institute of Zhejiang University, Sanya 572025, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haotian","family":"Lu","sequence":"additional","affiliation":[{"name":"Hainan Institute of Zhejiang University, Sanya 572025, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haonan","family":"Ju","sequence":"additional","affiliation":[{"name":"Weihai Sunfull Geophysical Exploration Equipment Co., Ltd., Weihai 264209, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinliang","family":"Huang","sequence":"additional","affiliation":[{"name":"Hainan Institute of Zhejiang University, Sanya 572025, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhihao","family":"Chen","sequence":"additional","affiliation":[{"name":"Hainan Institute of Zhejiang University, Sanya 572025, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"112074","DOI":"10.1016\/j.sna.2020.112074","article-title":"A digital low-frequency geophone based on 4th-order sigma-delta modulator and single-coil velocity feedback","volume":"312","author":"Zhang","year":"2020","journal-title":"Sens. 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