A Loop-Gain-Adaptive-Adjustment Method Based on Fuzzy Logic for Timing Recovery in Space TT&C Systems

Yigen He, Xuesen Shi*, Yongqing Wang, Xin Jin

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

This letter proposes a loop-gain-adaptive-adjustment (LGAA) algorithm for the timing recovery tracking loop in space tracking, telemetry, and command systems. The proposed algorithm generates an adjustment coefficient by using a fuzzy logic controller, which is designed based on the tracking loop convergence characteristics. The proposed algorithm could enhance the performance of the timing recovery without changing other parameters of the tracking loop. Simulation results show that the proposed LGAA-based tracking loop achieves a better balance between locking time and tracking accuracy compared to the conventional tracking loop that uses a fixed loop gain.

源语言英语
页(从-至)2482-2485
页数4
期刊IEEE Transactions on Aerospace and Electronic Systems
60
2
DOI
出版状态已出版 - 1 4月 2024

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