利用非平稳高阶谱对平稳有色非高斯噪声中一类循环平稳信号进行非参数检测

[1992] IEEE Sixth SP Workshop on Statistical Signal and Array Processing Pub Date : 1992-10-07 DOI:10.1109/SSAP.1992.246814

G. R. Wilson, K. Baugh

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引用次数: 2

摘要

本文专门研究了未知频率和幅值的相干相关窄带信号的和。采用非平稳高阶谱(NSHOS)方法，建立了基于非平稳双谱的检测统计量。在不含平稳HOS的区域内，NSHOS检测统计量对于任意类型的平稳有色高斯噪声或非高斯噪声均为渐近零，而在平稳HOS区域内，NSHOS检测统计量对于任意类型的平稳有色高斯噪声或对称非高斯噪声均为零。并与基于周期图检测统计量的更传统的功率谱方法对高斯和非高斯噪声的检测性能进行了分析和实验比较。

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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Non-parametric detection of a class of cyclo-stationary signals in stationary colored non-Gaussian noise using non-stationary higher order spectra

This paper considers specifically the sum of coherently related narrowband signals of unknown frequencies and amplitudes. It employs the method of non-stationary higher order spectra (NSHOS) and develops a detection statistic based on the non-stationary bispectrum. Within the domain that excludes the stationary HOS, the NSHOS detection statistics as asymptotically zero for any type of stationary colored Gaussian or non-Gaussian noise, while within the domain of the stationary HOS they are zero for any type of stationary colored Gaussian or symmetric non-Gaussian noise. The detection performance is compared analytically and experimentally with the more traditional power spectrum method based on a periodogram detection statistic for Gaussian and nonGaussian noise.<>

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来源期刊

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

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