在存在信号的情况下自动进行本底噪声频谱估计

Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136) Pub Date : 1997-11-02 DOI:10.1109/ACSSC.1997.680569

M. Ready, M. Downey, Leo J. Corbalis

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引用次数: 37

摘要

本文介绍了一种在有信号存在的情况下自动估计噪声本底谱的技术。该技术同样适用于平坦和非平坦的噪声底谱。该技术基于将形态学二值图像处理算子应用于接收功率谱的二值图像。它与秩序过滤器有关，但计算效率更高。通过对无线电信号的检测，说明了该方法的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Automatic noise floor spectrum estimation in the presence of signals

This paper describes a technique for automatically estimating the noise floor spectrum in the presence of signals. The technique works equally well for both flat and non-flat noise floor spectra. The technique is based on applying morphological binary image processing operators to a binary image of the received power spectrum. It is related to rank-order filters but is more computationally efficient. The performance is illustrated on the detection of radio signals.

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Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136)

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