APPLICATION OF MULTI-SYNCHROSQUEEZED GENARALIZED S-TRANSFORM IN SEISMIC TIME-FREQUENCY ANALYSIS

被引：0

作者：

Wang, Qian ^{[1
]}

Yang, Xuehua ^{[1
]}

Tang, Bo ^{[1
]}

Liu, Naihao ^{[2
,3
]}

Gao, Jinghuai ^{[2
,3
]}

机构：

[1] Hubei Univ Arts & Sci, Sch Math & Stat, 296 Longzhong Rd, Xiang Yang 410000, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, 28 Xianning West Rd, Xian 710049, Peoples R China

[3] Xi An Jiao Tong Univ, Natl Engn Lab Offshore Oil Explorat, 28 Xianning West Rd, Xian 710049, Peoples R China

来源：

JOURNAL OF SEISMIC EXPLORATION | 2023年 / 32卷 / 01期

关键词：

time-frequency analysis; multi-synchrosqueezing; generalized S-transform; reservoir characterization; DECOMPOSITION; SPECTRUM;

D O I：

暂无

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Time-frequency (TF) analysis is an important tool in seismic data processing that describes the frequency response of subsurface rocks and reservoirs. In this paper, we propose a new TF method to characterize the time-varying feature of seismic signals, the proposed method is based on a generalized S-transform and employs a multi-synchrosqueezing algorithm. The technique provides a highly energy-concentrated TF representation using a novel local estimation of instantaneous frequency. Synthetic and field data examples show that the proposed method has a superior performance in depicting strong time-varying signals and can be used to identify subtle stratigraphy with high resolution.

引用

页码：39 / 49

页数：11

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