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2019 | OriginalPaper | Buchkapitel

Parameter Estimation of Multiple Satellite Signals Based on Cyclic Spectrum

verfasst von : Yu Du, Jingjing Zheng, Xiaoshuang Jiao

Erschienen in: Wireless and Satellite Systems

Verlag: Springer International Publishing

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Abstract

The cyclic spectral density function is a linear transformation that satisfies the principle of linear superposition. Based on this property, a new method for parameter estimation of multiple satellite signals is proposed. Firstly, the linear superposition characteristics of the cyclic spectrum are introduced. On the basis of this, the spectral characteristics of the mixed satellite signals are analyzed. According to the corresponding relationship between the cyclic spectrum line of multi-signals and the signal parameters. Finally, the parameter estimation of mixed signals is achieved indirectly through the method of detecting the line in specific cyclic frequency section of cyclic spectrum. The simulation results show that the new method has good performance under Gaussian noise.

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Metadaten
Titel
Parameter Estimation of Multiple Satellite Signals Based on Cyclic Spectrum
verfasst von
Yu Du
Jingjing Zheng
Xiaoshuang Jiao
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-19153-5_52