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Shortwave spatial spectrum direction finding and positioning system based on software communication architecture

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Abstract

With the rapid advances in digital signal processing technology, spatial spectrum estimation theory and technology has been widely used in various fields and has become a new favorite in radio direction finding and passive positioning fields. This paper constructs a new shortwave spatial spectrum direction finding and positioning system, which establishes a standard interoperable platform based on software communication architecture (SCA). Meanwhile, a new shortwave co-location method is put forward, which realizes the flexible networking of the new shortwave spatial spectral direction finding system through the optical fiber or Ethernet. Besides, cyclic direction of arrival (DOA) estimation and weighted average method are applied to improve the positioning accuracy under complex environments. Simulation results show that this method has good positioning performance and stability.

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Correspondence to Yan He.

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He, Y., Zhang, N. Shortwave spatial spectrum direction finding and positioning system based on software communication architecture. Aut. Control Comp. Sci. 51, 24–31 (2017). https://doi.org/10.3103/S0146411617010035

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