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A Framework for the Digital Hilbert Transformer with Cascade Realization
Kamelia Nikolova and Georgi Stoyanov
The Faculty of Telecommunications at Technical University of Sofia, 8 Kl. Ohridski Blvd Sofia 1000, Bulgaria
Abstract: In this work, we proposed a framework for the digital Hilbert transformer that can limit 90-degree deviations. We studied the cascade realization of the divisions of the structure to include phase sensitivity minimization of all-pass sections. The design is tested for efficiency, providing acceptable experimental results.
Keywords: Digital Filters, Allpass Filters, Hilbert Transformers, Sensitivity Minimizations A Framework for the Digital Hilbert Transformer with Cascade Realization
DOI:https://doi.org/10.6025/dspaial/2023/2/4/93-101
Full_Text   PDF 2.92 MB   Download:   42  times
References:

[1] Turner, C. S. (2009). An efficient analytic signal generator. Signal Processing Magazine, 23, 91-94.

[2] Rorabaugh, C. B. (2011). Notes on Digital signal processing: practical recipes for design, analysis, and implementation. Notes 58-66, Prentice Hall.

[3] Regalia, P. A. (1993). Special Filter Designs. In S. K. Mitra, J. F. Kaiser (Eds.), Handbook for Digital Signal Processing (pp.909-931). John Wiley & Sons.

[4] Milic, L., Certic, J., Lutovac, M. (2010). A class of FRM-based allpass digital filters with applications in half-band filters and Hilbert transformers. In Proceedings of the International Conference on Green Circuits and Systems (ICGCS)’2010, Shanghai, China, 273-278.

[5] Mitra, S. (2006). Digital signal processing: A computer-based approach. McGraw-Hill.

[6] Stoyanov, G., Clausert, H. (1994). A comparative study of first-order digital all-pass structures. Frequenz, 48(9/10), 221-226.

[7] Sugino, H., Nishihara, A. (1990). Frequency-domain simulator of digital networks from the structural description. Transactions of the IEICE of Japan, E73(11), 1804-1806.

[8] Stoyanov, G., Nikolova, Z., Ivanova, K., Anzova, V. (2007). Design and realization of efficient IIR digital filter structures based on sensitivity minimizations. In Proceedings of the 8th IEEE Conference TELSIKS’2007, Nis, Serbia, 1, 299–308.

[9] Stoyanov, G., Nikolova, K., & Kawamata, M. (2011). Low-sensitivity design of allpass-based fractional delay digital filters. In F. P. Márquez (Ed.), Digital filters (pp. 155–178). Intech Publishing House.


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