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- W2392524787 abstract "In this paper,decomposition and representation of periodic sequences is investigated from geometric view based on orthogonal vectors.In addition,discrete Fourier series formulas are derived by inner product.Compared with the traditional teaching methods,the new geometric methods avoid analyzing complete orthogonal functions set and minimum mean square error criterion for linear approximation,which make students understand the meaning of the decomposition method for periodic sequences and discrete Fourier series more intuitively." @default.
- W2392524787 created "2016-06-24" @default.
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- W2392524787 date "2012-01-01" @default.
- W2392524787 modified "2023-09-23" @default.
- W2392524787 title "Exponential Form of Discrete Fourier Series from Geometric View" @default.
- W2392524787 hasPublicationYear "2012" @default.
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