用累加器阵列检测时频平面的非线性调频分量

Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis (Cat. No.98TH8380) Pub Date : 1998-10-06 DOI:10.1109/TFSA.1998.721485

S. Krishnan, R. Rangayyan

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引用次数: 5

摘要

我们提出了一种新的方法来检测非线性调频(FM)分量，如正弦和双曲调频分量在多分量时频(TF)平面上的非平稳信号。该方法基于累加器阵列的使用，可用于在低信噪比环境中检测具有变化能量的非线性调频元件。

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Detection of nonlinear frequency-modulated components in the time-frequency plane using an array of accumulators

We propose a novel approach to detect nonlinear frequency-modulated (FM) components such as sinusoidal and hyperbolic FM components in multicomponent, nonstationary signals in the time-frequency (TF) plane. The approach, based upon the use of an array of accumulators, can be used to detect nonlinear FM components with varying energy in low signal-to-noise ratio environments.

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Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis (Cat. No.98TH8380)

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