Application of Single-Frequency Time-Space Filtering Technique for Seismic Ground Roll and Random Noise Attenuation

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Radad m.

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Journal Paper

Paper Information

Journal: Journal of the Earth and Space Physics Year:2019 | Volume:44 | Issue:4 Page(s): 41-51

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Information Journal Paper

Title

Application of Single-Frequency Time-Space Filtering Technique for Seismic Ground Roll and Random Noise Attenuation

Author(s)

Radad m. | Issue Writer Certificate

Keywords

Time-frequency analysis

Single-frequency section

Filtering

Seismic noise

Abstract

Time-frequency Filtering is an acceptable technique for attenuating noise in 2-D (time-space) and 3-D (time-space-space) reflection seismic data. The common approach for this purpose is transforming each seismic signal from 1-D time domain to a 2-D time-frequency domain and then denoising the signal by a designed filter and finally transforming back the filtered signal to original time domain. The technique is efficient for ground roll and also random noise attenuation. However, if we deal with a large data set and a great number of contaminated signals with ground roll noise, a much move consuming time will be required. In this paper, time-frequency Filtering is formulated and carried out by a different approach. The data is transformed from original timespace domain into several single-frequency time-space domains, and the filters to reduce noise is designed in the new domains. The transform is easily and completely invertible. The employed time frequency analysis method is a high-resolution version of S-transform. Application to synthetic and real shot gathers confirms the good performance and efficiency of the method for attenuating ground roll noise and random noise.

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APA: Copy

Radad, m.. (2019). Application of Single-Frequency Time-Space Filtering Technique for Seismic Ground Roll and Random Noise Attenuation. JOURNAL OF THE EARTH AND SPACE PHYSICS, 44(4), 41-51. SID. https://sid.ir/paper/718375/en

Vancouver: Copy

Radad m.. Application of Single-Frequency Time-Space Filtering Technique for Seismic Ground Roll and Random Noise Attenuation. JOURNAL OF THE EARTH AND SPACE PHYSICS[Internet]. 2019;44(4):41-51. Available from: https://sid.ir/paper/718375/en

IEEE: Copy

m. Radad, “Application of Single-Frequency Time-Space Filtering Technique for Seismic Ground Roll and Random Noise Attenuation,” JOURNAL OF THE EARTH AND SPACE PHYSICS, vol. 44, no. 4, pp. 41–51, 2019, [Online]. Available: https://sid.ir/paper/718375/en

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