A three-frequency dynamic factor model for nowcasting Canadian provincial GDP growth
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DOI: 10.1016/j.ijforecast.2019.09.006
Abstract: Abstract This paper estimates a three-frequency dynamic factor model for nowcasting the Canadian provincial gross domestic product (GDP). The Canadian provincial GDP at market prices is released by Statistics Canada annually with a significant lag… read more here.
Keywords: canadian provincial; gdp; nowcasting canadian; frequency ... See more keywords
Adaptive Subtraction Based on the Matching Filter With Three Frequency Bands of Modeled Multiples for Removing Seismic Multiples
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DOI: 10.1109/lgrs.2023.3261059
Abstract: After the procedure of multiple modeling, adaptive subtraction is important for removing seismic multiples. The mismatches between the modeled multiples and true multiples are frequency-dependent. The traditional filter method combining the modeled multiples themselves cannot… read more here.
Keywords: frequency; removing seismic; three frequency; adaptive subtraction ... See more keywords
Algebra of Symmetries of Three-Frequency Hyperbolic Resonance
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DOI: 10.1134/s0001434619110300
Abstract: The algebra of symmetries of a quantum three-frequency hyperbolic resonance oscillator is studied. It is shown that this algebra is determined by a finite set of generators with polynomial commutation relations. The irreducible representations of… read more here.
Keywords: hyperbolic resonance; frequency hyperbolic; algebra symmetries; three frequency ... See more keywords