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
收藏
页码：39 / 49
页数：11
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