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- W2353296948 abstract "Aiming at the real application of pseudo-random(PN) estimation of direct-sequence spread spectrum(DSSS) signals in the communication reconnaissance,two mutual orthogonal eigen vectors were calculated by the method signal subspace analysis using the baseband data.According to the principle that the autocorrelation function of the PN sequence has lower sidelobe energy,a detection coefficient was proposed to determine the relative phase of the eigen vector pair and to reconstruct the PN sequence wave.This method overcame the shortcoming of the pure subspace analysis that the partial reconstructed data had opposite phases.The simulation shows the performance simulation analysis of the improved method under various signal-to-noise ratios with various data lengths,which indicates that the proposed method is very effective and reliable for the PN sequence estimation." @default.
- W2353296948 created "2016-06-24" @default.
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- W2353296948 date "2011-01-01" @default.
- W2353296948 modified "2023-09-25" @default.
- W2353296948 title "Simulation Research on Improved Method for PN Sequence Estimation of DSSS Signal" @default.
- W2353296948 hasPublicationYear "2011" @default.
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