复信号高(偶)阶谱的可分解性:一个充要条件

Proceedings of the IEEE Signal Processing Workshop on Higher-Order Statistics Pub Date : 1997-07-21 DOI:10.1109/HOST.1997.613552

J. Le Roux, C. Huet

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引用次数: 4

摘要

给出了复信号高阶谱可因式分解的充分必要条件。这个条件是基于高阶光谱的对称性和由Marron, Sanchez和Sullivan提出的关于三阶光谱展开相的公式的推广(参见J. Opt. Soc.)。点。A，第七卷，第14-20页，1990年)。它是高阶谱的乘积之间的恒等式。我们的可分解性测试不需要展开阶段。

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Factorizability of complex signals higher (even) order spectra: a necessary and sufficient condition

This communication presents a necessary and sufficient condition for the factorizability of higher order spectra of complex signals. This condition is based on the symmetries of higher order spectra and on an extension of a formula proposed by Marron, Sanchez and Sullivan for unwrapping phases of third order spectra (see J. Opt. Soc. Am. A, vol.7, p.14-20, 1990). It is an identity between products of higher order spectra. Our factorisability test requires no phase unwrapping.

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Proceedings of the IEEE Signal Processing Workshop on Higher-Order Statistics

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