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期刊Application of digital image processing to the determination of spatial distribution of earthquakes
《地震学报:英文版》1994年第4期621-628,共8页陈锦标 沈萍 郑治真 
(陈锦标,沈萍,郑治真)Applicationofdigitalimageprocessingtothedeterminationofspatialdistributionofearthquakes¥Jin-Biao...显示全部
关键词:IMAGE PROCESSING seismic GAP seismic CLUSTERING pattern 
期刊Weak seismic Signal Extraction Based on the Curvelet Transform
《中国地震研究:英文版》2019年第2期220-234,共15页TAN Junqing YANG Runhai WANG Bin XIANG Ya 
sponsored by the National Natural Science Foundation of China(41574059,41474048);sponsored by the State Key Laboratory of Earthquake Dynamics,CEA(LED2016B06)
seismic signal denoising is a key step in seismic data processing.Airgun signals are easy to be interfered with by noise when it travels a long distance due to the weak energy of active source signal of the airgun.Aim...显示全部
关键词:seismic SIGNAL DENOISING Airgun active source SIGNAL CURVELET TRANSFORM The velocity of the UNDERGROUND medium 
期刊Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated concrete frame
《结构与土木工程前沿:英文版》2019年第5期1095-1104,共10页Yunlin LIU Shitao ZHU 
The authors appreciate the financial support from the National Key Research and Development Program of China (Nos. 2016YFC0701802,2016YFC0701507);Anhui Provincial Natural Science Foundation (No. 1908085ME144).In addition, thanks to Prof. Halil Sezen of Ohio State University for responding to the email and related experimental data.
The Prefabricated Cage System (PCS) has the advantages of high bearing capacity and good ductility. Meanwhile, it is convenient for factory production and it is beneficial to the cost savings, construction period shor...显示全部
关键词:PCS concrete SIDE JOINT numerical simulation fiber-beam ELEMENT JOINT MODEL solid ELEMENT JOINT MODEL seismic behavior 
期刊Lg-Q model and its implication on high-frequency ground motion for earthquakes in the Sichuan and Yunnan region被引量:1
《地球与行星物理:英文版》2019年第6期526-536,共11页Zhi Wei Li Zhao 
supported by the China Postdoctoral Science Foundation
Low-rise buildings are susceptible to high-frequency ground motion.The high-frequency ground motions at regional distances are mainly controlled by crustal Lg waves whose amplitudes are typically much larger than thos...显示全部
关键词:Lg-wave attenuation MODEL HIGH-FREQUENCY ground MOTIONS seismic hazards LOW-RISE buildings 
期刊seismic description and fluid identification of thin reservoirs in Shengli Chengdao extra-shallow sea oilfield
《石油勘探与开发:英文版》2021年第4期889-899,共11页SHU Ningkai SU Chaoguang SHI Xiaoguang LI Zhiping ZHANG Xuefang CHEN Xianhong ZHU Jianbing SONG Liang 
Supported by the China National Science and Technology Major Project(2016zx05006);Sinopec Program for Science and Technology Development(P15156,P15159)。
The meandering channel deposit of the upper member of Neogene Guantao Formation in Shengli Chengdao extra-shallow sea oilfield is characterized by rapid change in sedimentary facies.In addition,affected by surface tid...显示全部
关键词:Jiyang Depression Chengdao Oilfield extra-shallow sea NEOGENE Sea and land dual-sensor prestack two-step high resolution frequency bandwidth expanding processing intelligent horizon-facies controlled recognition technology prestack seismic fluid identification 
期刊On unified analysis of uncertainty in seismic hazard assessment
《地震学报:英文版》1994年第4期629-636,共8页胡聿贤 陈汉尧 
(胡聿贤,陈汉尧)Onunifiedanalysisofuncertaintyinseismichazardassessment¥Yu-XianHUandHan-YaoCHEN(InstituteofGeophysi...显示全部
关键词:seismic HAZARD assessment RANDOMNESS FUZZINESS INCOMPLETENESS of knowledge uncertainty 
期刊seismic attenuation in the lower mantle beneath Northeast China constrained from short-period reflected core phases at short epicentral distances
《地球与行星物理:英文版》2019年第6期537-546,共10页BaoLong Zhang SiDao Ni YuLin Chen 
supported by funding from the National Natural Science Foundation of China (grant no. 41904061);China Postdoctoral Science Foundation (grant no. 2018M640742)
The thermal structure of the lower mantle plays a key role in understanding the dynamic processes of the Earth's evolution and mantle convection.Because intrinsic attenuation in the lower mantle is highly sensitiv...显示全部
关键词:seismic attenuation lower MANTLE NORTHEAST China reflected CORE PHASES thermal state 
期刊核电站安全级DCS机柜结构抗震分析及试验研究
《重庆理工大学学报:自然科学》2021年第10期224-232,共9页刘明星 杨静远 王东伟 马权 吴志强 
国家自然科学基金项目(52075460);四川省杰出青年科技基金项目(2020JDJQ0068)。
对核电安全级数字化控制系统(SDCS)机柜结构进行详细设计,采用有限元分析中的响应谱分析法,对该设备的抗震特性进行校核。加工出设备样机进行抗震性能鉴定试验,对地震作用下机柜的结构响应特性与抗震性能进行分析。研究结果表明:该核电...显示全部
关键词:核电站 仪控系统 机柜 地震 响应谱分析 
期刊Principle and Program of Evaluating Diffuse seismicity
《中国地震研究:英文版》2001年第1期1-7,共7页Chang XiangdongNuclear Safety Center, State Environment Protection Administration, Beijing 100088, China 
Concept and origin of the term 'the diffuse seismicity' are illustrated. Some different viewpoints regarding the diffuse seismicity and the influence characteristics on determining seismic design basis of engi...显示全部
关键词:DIFFUSE seismicITY SEISMOTECTONIC province Nuclear safety guide seismic design basis 
期刊高烈度边坡工程地震稳定性分析研究
《贵州大学学报:自然科学版》2011年第4期106-109,共4页梁义聪 聂影 
针对目前边坡高度不断增高的趋势,结合拟建的某新基地工程实例,采用毕肖普法分别进行边坡在静力、单向地震力和双向地震力条件下的抗震稳定性分析。通过本项目的研究,研究成果给出边坡安全系数与坡高的关系,对实际工程具有一定的指导意义。
关键词:地震 安全系数 坡高 稳定分析 
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