用于跟踪多分量信号参数的瞬时非线性算子

[1992] IEEE Sixth SP Workshop on Statistical Signal and Array Processing Pub Date : 1992-10-07 DOI:10.1109/SSAP.1992.246870

R. Kumaresan, A. G. Sadasiv, C. S. Ramalingam, J. Kaiser

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引用次数: 17

摘要

作者扩展了Kaiser-Teager算法，用于分离单个正弦波的幅度调制和频率调制对由多个分量组成的信号的贡献。一个瞬时非线性算子被证明是由信号样本形成的Toeplitz矩阵的行列式。由于其即时自适应特性，该算法可用于跟踪信号成分中的参数变化，前提是这些变化不是太快。这是演示使用合成信号包含两个AM-FM组件和语音信号。指出了该方法与普罗尼方法的关系。

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Instantaneous non-linear operators for tracking multicomponent signal parameters

The authors have extended the Kaiser-Teager algorithm for separating the contributions of the amplitude modulation and frequency modulation of a single sinusoid to a signal consisting of multiple components. An instantaneous nonlinear operator turns out to be the determinant of a Toeplitz matrix formed with the signal samples. Because of its instantaneously adaptive nature, this algorithm can be used to track parameter variations in the signal components, provided these variations are not too rapid. This is demonstrated using a synthetic signal containing two AM-FM components and a speech signal. The method's relationship to Prony's method is pointed out.<>

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[1992] IEEE Sixth SP Workshop on Statistical Signal and Array Processing

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