
Information Theory
Characterization of the peak value behavior of the Hilbert transform of bounded bandlimited signals
H. Boche^{a}, U. J. Mönich^{b} ^{a} Technische Universität, München, Germany
^{b} Massachusetts Institute of Technology, Cambridge, USA
Abstract:
The peak value of a signal is a characteristic that has to be controlled in many applications. In this paper we analyze the peak value of the Hilbert transform for the space $\mathcal B_\pi^\infty$ of bounded bandlimited signals. It is known that for this space the Hilbert transform cannot be calculated by the common principal value integral, because there are signals for which it diverges everywhere. Although the classical definition fails for $\mathcal B_\pi^\infty$, there is a more general definition of the Hilbert transform, which is based on the abstract $\mathcal H^1$–$\mathrm{BMO}(\mathbb R)$ duality. It was recently shown in [1] that, in addition to this abstract definition, there exists an explicit formula for calculating the Hilbert transform. Based on this formula we study properties of the Hilbert transform for the space $\mathcal B_\pi^\infty$ of bounded bandlimited signals. We analyze its asymptotic growth behavior, and thereby solve the peak value problem of the Hilbert transform for this space. Further, we obtain results for the growth behavior of the Hilbert transform for the subspace $\mathcal B_{\pi,0}^\infty$ of bounded bandlimited signals that vanish at infinity. By studying the properties of the Hilbert transform, we continue the work [2].
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English version:
Problems of Information Transmission, 2013, 49:3, 197–223
Bibliographic databases:
UDC:
621.391.1+517 Received: 15.01.2013
Citation:
H. Boche, U. J. Mönich, “Characterization of the peak value behavior of the Hilbert transform of bounded bandlimited signals”, Probl. Peredachi Inf., 49:3 (2013), 3–31; Problems Inform. Transmission, 49:3 (2013), 197–223
Citation in format AMSBIB
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\jour Probl. Peredachi Inf.
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\pages 331
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\jour Problems Inform. Transmission
\yr 2013
\vol 49
\issue 3
\pages 197223
\crossref{https://doi.org/10.1134/S0032946013030010}
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