【摘要】 研究了基于时间结构盲源分离算法的基本原理,在分析其特点和适用范围的基础上,提出了采用时间结构盲源分离算法消除地震信号采集过程中工频干扰的方法,并与基于FastICA的方法进行了性能比较。研究结果表明,本方法能够有效地消除地震信号中的工频干扰,同时保护有用信号,且干扰消除性能具有明显优势。更多还原

【Abstract】 The basic principle of blind source separation algorithm based on temporal structure is investigated.Character and application area for blind source separation algorithm based on temporal structure is analyzed.Power interference removal method in seismic signal collection using temporal structure BSS algorithm is proposed and the property is compared with the method based on FastICA.The results indicate that this method can effectively eliminate power interference from seismic signal,while protecting the desired signal,and interference removal performance has an obvious advantage.更多还原