Abstract
We have seen that the pure sinusoidal signals are eigenfunctions for all filters. They are also the simplest periodic signals. These two facts explain their importance. We will see in the next two lessons that they enter into the structure of all periodic signals.
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© 1999 Springer Science+Business Media New York
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Gasquet, C., Witomski, P. (1999). Trigonometric Signals. In: Fourier Analysis and Applications. Texts in Applied Mathematics, vol 30. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-1598-1_3
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DOI: https://doi.org/10.1007/978-1-4612-1598-1_3
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4612-7211-3
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