Empirical mode decomposition of wind speed signals
Empirical Mode Decomposition (EMD) is a powerful signal processing technique with diverse applications, particularly in the analysis of non-stationary data. In this study, we assess the capabilities of EMD for wind data analysis, aiming to uncover its effectiveness in capturing intricate temporal pa...
| Author: | |
|---|---|
| Format: | master thesis |
| Publication Date: | 2023 |
| Country: | España |
| Institution: | Universitat Politècnica de Catalunya (UPC) |
| Repository: | UPCommons. Portal del coneixement obert de la UPC |
| Language: | English |
| OAI Identifier: | oai:upcommons.upc.edu:2117/395883 |
| Online Access: | https://hdl.handle.net/2117/395883 |
| Access Level: | Open access |
| Keyword: | Atmospheric circulation -- Measurement -- Data processing -- Mathematical models Signal processing -- Digital techniques -- Mathematics Empirical Mode Decomposition (EMD) Ensemble Empirical Mode Decomposition (EEMD) Intrinsic Mode Functions (IMFs) Fourier Average Diurnal Variation (ADV) Average Seasonal Variation (ADV) non-stationarity Circulació atmosfèrica -- Mesurament -- Informàtica -- Models matemàtics Tractament del senyal -- Tècniques digitals -- Matemàtica Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal |
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Empirical mode decomposition of wind speed signalsPinto Molina, InesAtmospheric circulation -- Measurement -- Data processing -- Mathematical modelsSignal processing -- Digital techniques -- MathematicsEmpirical Mode Decomposition (EMD)Ensemble Empirical Mode Decomposition (EEMD)Intrinsic Mode Functions (IMFs)FourierAverage Diurnal Variation (ADV)Average Seasonal Variation (ADV)non-stationarityCirculació atmosfèrica -- Mesurament -- Informàtica -- Models matemàticsTractament del senyal -- Tècniques digitals -- MatemàticaÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyalEmpirical Mode Decomposition (EMD) is a powerful signal processing technique with diverse applications, particularly in the analysis of non-stationary data. In this study, we assess the capabilities of EMD for wind data analysis, aiming to uncover its effectiveness in capturing intricate temporal patterns and decomposing data into Intrinsic Mode Functions (IMFs) to identify crucial frequency components. Various methods of sifting have been studied as the IMFs and therefore results may vary according to the type. It has been concluded that the Ensemble Empirical Mode Decomposition (EEMD) is the most suitable method for these data. A comparison with Fourier analysis is also conducted to elucidate the strengths and limitations of each method. Furthermore, this investigation examines the Average Diurnal Variation (ADV) and Average Seasonal Variation (ASV) patterns within the wind data. It is found that these patters have a physical significance and interpretation of the IMFs and that it is easier to use EMD than Fourier for wind signals.Universitat Politècnica de CatalunyaPérez González, Juan JesúsRunacres, Mark20232023-10-0320232023-11-06master thesishttp://purl.org/coar/resource_type/c_bdccNAhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43info:eu-repo/semantics/masterThesisapplication/pdfhttps://hdl.handle.net/2117/395883reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2http://creativecommons.org/licenses/by-nc-sa/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/3958832026-05-27T15:37:01Z |
| dc.title.none.fl_str_mv |
Empirical mode decomposition of wind speed signals |
| title |
Empirical mode decomposition of wind speed signals |
| spellingShingle |
Empirical mode decomposition of wind speed signals Pinto Molina, Ines Atmospheric circulation -- Measurement -- Data processing -- Mathematical models Signal processing -- Digital techniques -- Mathematics Empirical Mode Decomposition (EMD) Ensemble Empirical Mode Decomposition (EEMD) Intrinsic Mode Functions (IMFs) Fourier Average Diurnal Variation (ADV) Average Seasonal Variation (ADV) non-stationarity Circulació atmosfèrica -- Mesurament -- Informàtica -- Models matemàtics Tractament del senyal -- Tècniques digitals -- Matemàtica Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal |
| title_short |
Empirical mode decomposition of wind speed signals |
| title_full |
Empirical mode decomposition of wind speed signals |
| title_fullStr |
Empirical mode decomposition of wind speed signals |
| title_full_unstemmed |
Empirical mode decomposition of wind speed signals |
| title_sort |
Empirical mode decomposition of wind speed signals |
| dc.creator.none.fl_str_mv |
Pinto Molina, Ines |
| author |
Pinto Molina, Ines |
| author_facet |
Pinto Molina, Ines |
| author_role |
author |
| dc.contributor.none.fl_str_mv |
Pérez González, Juan Jesús Runacres, Mark |
| dc.subject.none.fl_str_mv |
Atmospheric circulation -- Measurement -- Data processing -- Mathematical models Signal processing -- Digital techniques -- Mathematics Empirical Mode Decomposition (EMD) Ensemble Empirical Mode Decomposition (EEMD) Intrinsic Mode Functions (IMFs) Fourier Average Diurnal Variation (ADV) Average Seasonal Variation (ADV) non-stationarity Circulació atmosfèrica -- Mesurament -- Informàtica -- Models matemàtics Tractament del senyal -- Tècniques digitals -- Matemàtica Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal |
| topic |
Atmospheric circulation -- Measurement -- Data processing -- Mathematical models Signal processing -- Digital techniques -- Mathematics Empirical Mode Decomposition (EMD) Ensemble Empirical Mode Decomposition (EEMD) Intrinsic Mode Functions (IMFs) Fourier Average Diurnal Variation (ADV) Average Seasonal Variation (ADV) non-stationarity Circulació atmosfèrica -- Mesurament -- Informàtica -- Models matemàtics Tractament del senyal -- Tècniques digitals -- Matemàtica Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal |
| description |
Empirical Mode Decomposition (EMD) is a powerful signal processing technique with diverse applications, particularly in the analysis of non-stationary data. In this study, we assess the capabilities of EMD for wind data analysis, aiming to uncover its effectiveness in capturing intricate temporal patterns and decomposing data into Intrinsic Mode Functions (IMFs) to identify crucial frequency components. Various methods of sifting have been studied as the IMFs and therefore results may vary according to the type. It has been concluded that the Ensemble Empirical Mode Decomposition (EEMD) is the most suitable method for these data. A comparison with Fourier analysis is also conducted to elucidate the strengths and limitations of each method. Furthermore, this investigation examines the Average Diurnal Variation (ADV) and Average Seasonal Variation (ASV) patterns within the wind data. It is found that these patters have a physical significance and interpretation of the IMFs and that it is easier to use EMD than Fourier for wind signals. |
| publishDate |
2023 |
| dc.date.none.fl_str_mv |
2023 2023-10-03 2023 2023-11-06 |
| dc.type.none.fl_str_mv |
master thesis http://purl.org/coar/resource_type/c_bdcc NA http://purl.org/coar/version/c_be7fb7dd8ff6fe43 |
| dc.type.openaire.fl_str_mv |
info:eu-repo/semantics/masterThesis |
| format |
masterThesis |
| dc.identifier.none.fl_str_mv |
https://hdl.handle.net/2117/395883 |
| url |
https://hdl.handle.net/2117/395883 |
| dc.language.none.fl_str_mv |
Inglés eng |
| language_invalid_str_mv |
Inglés |
| language |
eng |
| dc.rights.none.fl_str_mv |
open access http://purl.org/coar/access_right/c_abf2 http://creativecommons.org/licenses/by-nc-sa/3.0/es/ |
| dc.rights.openaire.fl_str_mv |
info:eu-repo/semantics/openAccess |
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open access http://purl.org/coar/access_right/c_abf2 http://creativecommons.org/licenses/by-nc-sa/3.0/es/ |
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openAccess |
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application/pdf |
| dc.publisher.none.fl_str_mv |
Universitat Politècnica de Catalunya |
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Universitat Politècnica de Catalunya |
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reponame:UPCommons. Portal del coneixement obert de la UPC instname:Universitat Politècnica de Catalunya (UPC) |
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Universitat Politècnica de Catalunya (UPC) |
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UPCommons. Portal del coneixement obert de la UPC |
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UPCommons. Portal del coneixement obert de la UPC |
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15,300724 |