Tracking Analysis of Complex Adaptive IIR Notch Filter for a Linear Chirp Signal
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概要
- 論文の詳細を見る
This paper analyzes frequency tracking characteristics of a complex-coefficient adaptive infinite impulse response (IIR) notch filter with a simplified gradient-based algorithm. The input signal to the complex notch filter is a complex linear chirp embedded in a complex zero-mean white Gaussian noise. The analysis starts with derivation of a first-order real-coefficient difference equation with respect to steady-state instantaneous frequency tracking error. Closed-form expression for frequency tracking mean square error (MSE) is then derived from the difference equation. Lastly, closed-form expressions for optimum notch bandwidth coefficient and step size constant that minimize the frequency tracking MSE are derived. Computer simulations are presented to validate the analysis.
- （社）電子情報通信学会の論文
- 2009-06-01
著者
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Nishimura Shotaro
Shimane University
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Nishimura Shotaro
Laboratory Of Functional Anatomy Of Dmestic Animals Faculty Of Agriculture Kyushu University
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Mvuma Aloys
広島大学大学院工学研究科
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Aloys M
Shimane Univ. Matsue Jpn
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Aloys Mvuma
広島大学大学院工学研究科
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Aloys Mvuma
島根大学総合理工学部
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Hinamoto T
Graduate School Hiroshima University
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Hinamoto Takao
Hiroshima Univ. Higashi‐hiroshima‐shi Jpn
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Hinamoto Takao
Department Of Artificial Complex Systems Engineering Graduate School Of Engineering Hiroshima Univer
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Hinamoto Takao
Graduate School Of Engineering Hiroshima University
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MVUMA Aloys
School of Informatics, University of Dodoma
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