电邮这篇文章 Pre-correction of phase-frequency characteristics of digital filters
- 作者: Shakurskiy M.V.1
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隶属关系:
- Povolzhskiy State University of Telecommunications and Informatics
- 期: 卷 22, 编号 1 (2024)
- 页面: 58-64
- 栏目: Антенны, АФУ и устройства СВЧ
- URL: https://journals.eco-vector.com/2073-3909/article/view/689822
- DOI: https://doi.org/10.18469/ikt.2024.22.1.07
- ID: 689822
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The article is devoted to the synthesis of a digital filter computer model with zero phase-frequency characteristic. A predetermined structural implementation of the digital filter with zero phase-frequency response is based on double filtering of the signal in the forward and reverse directions, as well as on filters with a finite impulse response. This article discusses the implementation of a filter with zero phase-frequency response based on filters with infinite impulse response. The implementation of pre-correction of the phase-frequency response of the filter is achieved due to the use of the two-channel structural diagram with the input signal spectrum transfer. The complexity of using filters with an infinite impulse response is associated with its nonlinearity, which requires pre-correction in order to linearize the phase-frequency response. The article discusses both a mathematical model of signal passage through a block diagram and a computer model in the Matlab-Simulink environment in static and dynamic modes.
作者简介
M. Shakurskiy
Povolzhskiy State University of Telecommunications and Informatics
编辑信件的主要联系方式.
Email: m.shakurskiy@psuti.ru
Head of Information Security Department, Doctor of Technical Sciences
俄罗斯联邦, Samara参考
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- Digital Filter with Zero-Phase Characteristic: patent 109619. Russian Federation. No. 2011123825 / V.K. Shakurskiy (RU), M.V. Shakurskiy (RU); zayavl. 10.06.2011; opubl. 20.10.2011, byul. no. 29. (In Russ.)
- Shakurskiy V.K., Shakurskiy M.V. Mathematical model of digital filters based on frequency selection method. Vektor nauki Tol’yattinskogo gosudarstvennogo universiteta, 2011, no. 2 (16), pp. 98–100. (In Russ.)
- Digital Filter with Phase Response Pre-Correction: patent 221361. Russian Federation. No. 2023125738 / M.V. Shakurskiy (RU); zayavl. 09.10.2023; opubl. 02.11.2023, byul. no. 31. (In Russ.)
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