大间距地震记录的插值辅助稀疏反演傅立叶重建算法Interpolation aided Fourier reconstruction algorithm of sparse seismic record inversion with large gap
周亚同,穆向阳,姜焕
摘要(Abstract)：
针对经典的稀疏反演傅立叶重建(FRSI)算法无法进行大间距地震记录插值重建问题,结合常规插值与非均匀采样信号重建理论,提出了一种新的插值辅助稀疏反演傅立叶重建(IA-FRSI)算法.该算法首先在常规插值法的辅助下,于大间距地震记录的间隙中生成若干"控制道",用于减少空间采样间距,使之满足FRSI的重建前提条件;然后借助经典FRSI完成缺失地震道的重建.大间距理论模型以及实际海洋和陆上地震记录重建实验表明:IA-FRSI算法重建精度高;重建记录不仅保持了原始地震记录特征,而且波形连续自然,具有良好的实用价值和应用前景.
关键词(KeyWords)： 大间距地震记录;稀疏反演傅立叶重建;非均匀采样
基金项目(Foundation): 国家自然科学基金(编号:60972106);; 天津市自然科学基金(编号:11JCYBJC00900)
作者(Author): 周亚同,穆向阳,姜焕
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