CN102221708B - 基于分数阶傅里叶变换的随机噪声压制方法 - Google Patents
基于分数阶傅里叶变换的随机噪声压制方法 Download PDFInfo
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US9429668B2 (en) * | 2011-12-15 | 2016-08-30 | Saudi Arabian Oil Company | Iterative dip-steering median filter for seismic data processing |
CN102928875B (zh) * | 2012-11-07 | 2016-05-11 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | 基于分数阶傅里叶域的子波提取方法 |
CN103901466B (zh) * | 2012-12-28 | 2016-08-10 | 中国石油天然气集团公司 | 一种三维地震数据插值方法 |
CN103323877B (zh) * | 2013-05-30 | 2015-05-27 | 吉林大学 | 一种基于地震勘探环境噪声指向性的去噪方法 |
CN103901470B (zh) * | 2014-03-21 | 2017-02-08 | 哈尔滨工程大学 | 一种海底沉积层反射强度及时延估计方法 |
CN104537613A (zh) * | 2014-12-02 | 2015-04-22 | 沈阳大学 | 一种用于改善图像视觉效果的分数阶I-divergence方法 |
CN104597502A (zh) * | 2014-12-08 | 2015-05-06 | 翟明岳 | 一种新的石油地震勘探数据去噪方法 |
CN106338769A (zh) * | 2015-07-07 | 2017-01-18 | 中国石油化工股份有限公司 | 地震数据去噪方法及系统 |
CN107015276B (zh) * | 2017-04-18 | 2019-04-12 | 吉林大学 | 一种基于改进霍夫变换的自适应时频峰值滤波消噪方法 |
CN108535774B (zh) * | 2018-03-20 | 2019-05-31 | 中国科学院地质与地球物理研究所 | 一种针对可控震源激发的地震信号快速识别震相的方法及装置 |
CN108614295B (zh) * | 2018-05-15 | 2020-04-21 | 中国海洋石油集团有限公司 | 一种基于广义地震子波的地层q值计算方法 |
CN112485028B (zh) * | 2019-09-12 | 2023-06-02 | 上海三菱电梯有限公司 | 振动信号的特征频谱提取方法及机械故障诊断分析方法 |
CN112965101B (zh) * | 2021-04-25 | 2024-03-08 | 福建省地震局应急指挥与宣教中心 | 一种地震预警信息处理方法 |
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Application publication date: 20111019 Assignee: Sichuan Ji Saite Science and Technology Ltd. Assignor: China National Petroleum Corporation Chuanqing Drilling Engineering Geophysical Exploration Company Ltd. Contract record no.: 2014510000161 Denomination of invention: Fractional-Fourier-transform-based random noise suppression method Granted publication date: 20130508 License type: Exclusive License Record date: 20141009 |
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Effective date of registration: 20180201 Address after: 072751 Zhuozhou, Baoding, Fan Yang Road West, No. 189 Patentee after: Dongfang Geophysical Exploration Co., Ltd., China Petrochemical Corp. Address before: 610213 No. 1, No. 1, No. 1, Huayang Avenue, Huayang Town, Shuangliu County, Chengdu, Sichuan Patentee before: China National Petroleum Corporation Chuanqing Drilling Engineering Geophysical Exploration Company Ltd. |
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Effective date of registration: 20200917 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: BGP Inc., China National Petroleum Corp. Address before: 072751 Zhuozhou, Baoding, Fan Yang Road West, No. 189 Patentee before: BGP Inc., China National Petroleum Corp. |