DFCWs Design Based on Improved DPSO

Jing Jun Li; Yong Hua Jiang; Bo Dan; Wei Wei Gao

doi:10.4028/www.scientific.net/AMM.333-335.623

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 333-335DFCWs Design Based on Improved DPSO

DFCWs Design Based on Improved DPSO

Abstract:

Orthogonal discrete frequency coding waveforms(DFCWs) is an ideal quasi-orthogonal waveform. This paper analyses the ambiguity function of DFCWs and the results indicate that the correlation characteristics of DFCWs have only relationship with the code length and coding order. Based on the theoretical analysis, we defined the cross-correlation energy as the cost function, and used the improved discrete particle swarmoptimization(DPSO) to optimize the order of DFCWs. The new signal can effectively restrain the cross-correlation level between the two DFCWs. Simulation results verify the effectiveness of the designed DFCWs.

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Periodical:

Applied Mechanics and Materials (Volumes 333-335)

Pages:

623-627

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.333-335.623

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Online since:

July 2013

Authors:

Jing Jun Li, Yong Hua Jiang, Bo Dan, Wei Wei Gao

Keywords:

Ambiguity Function, Autocorrelation, Cross-Correlation, DFCW, Improved DPSO

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