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  Propagation of signal-to-noise ratio into semi-airborne EM inversions

Plett, J., Kotowski, P., Becken, M. (2024): Propagation of signal-to-noise ratio into semi-airborne EM inversions. - In: Börner, J., Yogeshwar, P. (Eds.), - Protokoll über das 30. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung: St. Marienthal, 25. September - 29. September 2023, 30. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung (St. Marienthal 2023), 124-124, 1 p.

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5026170 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5026170_3
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https://gfzpublic.gfz-potsdam.de/pubman/item/item_5026039 (Supplementary material)
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 Creators:
Plett, J.1, Author
Kotowski, P.O.1, Author
Becken, M.1, Author
Affiliations:
130. Kolloquium, 2023, Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung EMTF, External Organizations, ou_5026038              

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 Abstract: Semi-airborne EM (sAEM) transfer functions are estimated by regression over Fourier coefficients over a (small) number of time windows and binned frequencies. The estimation error is determined from the prediction error. However, Fourier coefficients themselves are afflicted with noise and thus erroneously estimated. Here, we make an attempt to incorporate the noise level as weighting coefficients in a weighted least squares regression (WLS). Reliable error estimates are crucial for inverting data; we show 2D inversion results with new error estimates for a test data set using a scalar magnetometer (OPM).

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Language(s): eng - English
 Dates: 20242024
 Publication Status: Finally published
 Pages: 1
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
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Title: 30. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung
Place of Event: St. Marienthal
Start-/End Date: 2023-09-25 - 2023-09-29

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Title: Protokoll über das 30. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung: St. Marienthal, 25. September - 29. September 2023
Source Genre: Proceedings
 Creator(s):
Börner, Jana1, 2, Editor
Yogeshwar, Pritam2, 3, Editor
Affiliations:
1 Technische Universität- Bergakademie Freiberg , ou_persistent22            
2 30. Kolloquium, 2023, Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung EMTF, External Organizations, ou_5026038            
3 Universität zu Köln, ou_persistent22            
Publ. Info: Potsdam : Deutsche Geophysikalische Gesellschaft e. V.
Pages: 146 Volume / Issue: 30 Sequence Number: 24 Start / End Page: 124 - 124 Identifier: ISSN: 2190-7021