{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T18:41:12Z","timestamp":1780512072106,"version":"3.54.1"},"reference-count":52,"publisher":"Society of Exploration Geophysicists","issue":"3","funder":[{"name":"The Natural Science Foundation of Jiangsu Province","award":["BK20200644"],"award-info":[{"award-number":["BK20200644"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42104116"],"award-info":[{"award-number":["42104116"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2021M703580"],"award-info":[{"award-number":["2021M703580"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]},{"name":"The Natural Science Foundation of Jiangsu Province","award":["BK20200644"],"award-info":[{"award-number":["BK20200644"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42104116"],"award-info":[{"award-number":["42104116"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2021M703580"],"award-info":[{"award-number":["2021M703580"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["library.seg.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,5,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Large-scale geologic structures with strong contrasts present difficulties for seismic imaging and inversion. Previously, direct envelope inversion (DEI) with ultralow frequency has been proposed to retrieve strong-contrast velocity models. However, the envelope signals lose the instantaneous phase of the original wavefield, resulting in erroneous seismic inversion results. To solve this problem, the instantaneous phase of the wavefield is encoded into envelopes for DEI. In this way, a polarized envelope is created to contain both abundant low frequencies and the instantaneous phase information of the original seismic waveform. Furthermore, to improve the resolution of deep regions underneath the strong reflections, we propose a phase-amplitude-based polarized direct envelope inversion (PA-PDEI) misfit in the time-frequency domain that uses an amplitude factor to emphasize the phase information. This makes it possible to adjust the amplitude influence and boost the low-amplitude seismic signals for deep targets. Tests on a model with a salt body and on field data show that combining the PA-PDEI with the phase-amplitude-based full-waveform inversion (PA-FWI) make it possible to reliably reconstruct velocity models, especially for deep regions, despite large and strong perturbations.<\/jats:p>","DOI":"10.1190\/geo2020-0956.1","type":"journal-article","created":{"date-parts":[[2022,1,19]],"date-time":"2022-01-19T11:17:50Z","timestamp":1642591070000},"page":"R245-R260","update-policy":"https:\/\/doi.org\/10.1190\/crossmark-policy","source":"Crossref","is-referenced-by-count":18,"title":["Phase-amplitude-based polarized direct envelope inversion in the time-frequency domain"],"prefix":"10.1190","volume":"87","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7910-9188","authenticated-orcid":false,"given":"Yong","family":"Hu","sequence":"first","affiliation":[{"name":"China University of Mining and Technology 1 , School of Resources and Geosciences, Xuzhou 221116, China. jluhuyong@sina.com"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9188-4953","authenticated-orcid":false,"given":"Ru-Shan","family":"Wu","sequence":"additional","affiliation":[{"name":"University of California 2 , Department of Earth and Planetary Sciences, Santa Cruz, California 95064, USA. rwu@ucsc.edu ."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9719-6297","authenticated-orcid":false,"given":"Xingguo","family":"Huang","sequence":"additional","affiliation":[{"name":"Jilin University 3 , College of Instrumentation and Electrical Engineering, Changchun 130026, China. xingguohuang@jlu.edu.cn (corresponding author)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8051-755X","authenticated-orcid":false,"given":"Yun","family":"Long","sequence":"additional","affiliation":[{"name":"Jilin University 3 , College of Instrumentation and Electrical Engineering, Changchun 130026, China. longy@jlu.edu.cn ."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongzhong","family":"Xu","sequence":"additional","affiliation":[{"name":"China University of Mining and Technology 1 , School of Resources and Geosciences, Xuzhou 221116, China. xuyongzhong2004@126.com ."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li-Guo","family":"Han","sequence":"additional","affiliation":[{"name":"Jilin University 4 , College of Geo-Exploration Science and Technology, Changchun 130026, China. hanlg@jlu.edu.cn"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"186","published-online":{"date-parts":[[2022,2,25]]},"reference":[{"key":"2025121211214303200_r1","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1093\/gji\/ggu379","article-title":"Scattering-angle based filtering of the waveform inversion gradients","volume":"200","author":"Alkhalifah","year":"2014","journal-title":"Geophysical Journal 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