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access icon free High-sensitive acquisition of signals for inter-satellite links of navigation constellation

The method changing non-coherent integration to coherent integration is proposed to increase the sensitivity of signal acquisition. A phase jump occurs between the consecutive blocks when the carrier frequency is circularly shifted and this leads to the problem of direct accumulation. A compensation factor is exploited to solve the problem. Monte Carlo simulation results show that the method can improve the sensitivity of acquiring weak signals.

References

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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2015.2017
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