应用宽带Ricker子波的期望目标频谱整形

doi:10.13810/j.cnki.issn.1000-7210.2020.03.007

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Abstract Spectrum whitening based on seismic wavelet shaping is a common method for high-resolution post-stack seismic processing,and the desired wavelet shape has always been a much hotter topic.Compared with band-limited wavelet,Ricker wavelet and other commonly used shaping wavelets,broadband Ricker wavelet is widely used in seismic data processing on account of its weaker sidelobe energy and higher resolution at the same main lobe width than Ricker wavelet.By designing the parameter(R) that takes into account resolution and fidelity and searching for the extreme point,the optimal shape of the broadband Ricker wavelet with a limited bandwidth is determined,and then a ba-lanced wavelet based on broadband Ricker wavelet is proposed to guide wavelet shaping of post-stack data.Model and field data have proved that the balanced wavelet provides a new reference to seismic processing with high resolution and high fidelity.

Key words： broadband Ricker wavelet Yu’s wavelet spectrum shaping balanced wavelet

Received: 29 May 2019

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P631

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	Articles by authors
	ZHAO Baoyin
	CHEN Siyuan
	TAO Yu
	XU Jing
	WANG Hao

Cite this article:

ZHAO Baoyin,CHEN Siyuan,TAO Yu等. Spectrum shaping of desired targets based on broadband Ricker wavelets[J]. OGP, 2020, 55(3): 541-547.

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http://www.ogp-cn.com/EN/10.13810/j.cnki.issn.1000-7210.2020.03.007 OR http://www.ogp-cn.com/EN/Y2020/V55/I3/541

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