基于三阶累积量一维切片的微地震信号时延估计.docx基于三阶累积量一维切片的微地震信号时延估计摘要:由于微地震有效信号易受环境噪声的干扰,,,为减少运算量满足野外实时要求取其一维切片,,该方法对相关性未知的高斯噪声具有不敏感的特点,,在添加信噪比为-5~15dB的随机高斯噪声和相关高斯噪声时,,对实际微地震噪声进行了概率分布统计分析,并且基于井地联合监测方式,:参数估计;噪声抑制;三阶累积量;微地震监测;一维切片中图分类号:TE319文献标识码:AAbstract:Theeffectivemicroseismicsignalsaredisturbedbynoises,,onedimensionalslicemethodbasedonthird-,thethree-umulationofthesignalswerecalculated,then,putationandtosatisfythefieldreal-,paredwiththetraditionalcrosscorrelationmethod,=-5dBtoSNR=,haracteristicswereanalyzedandthedatainthewellwereselectedasreferences,:parameterestimation;noisesuppression;three-ordercumulants;mic
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