Analysis of Adaptive Detection Threshold for High Sensitivity Compass Navigation Receiver

Wei Xiang; Shao Jie Ni; Wei Wu; Fei Xue Wang

doi:10.4028/www.scientific.net/AMM.239-240.489

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 239-240Analysis of Adaptive Detection Threshold for High...

Analysis of Adaptive Detection Threshold for High Sensitivity Compass Navigation Receiver

Abstract:

Compared with fixed detection threshold, adaptive detection threshold substantially improves the reception sensitivities in high sensitivity receivers. The optimal detection threshold depends on probability distribution of the received signals. The out-of-phase auto correlation values and cross correlation values of Chinese Compass B1-I signal were analyzed, and the probability distribution of the signal with the differential correlation technique was provided. Then the optimal detection threshold and the sensitivity gain that can be obtained by the adaptive detection threshold were provided.

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Periodical:

Applied Mechanics and Materials (Volumes 239-240)

Pages:

489-493

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.239-240.489

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Online since:

December 2012

Authors:

Wei Xiang, Shao Jie Ni, Wei Wu, Fei Xue Wang

Keywords:

Adaptive Detection Threshold, Compass, GPS, Navigation Receiver

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