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When a follower satellite is tracking the leader satellite, the communication delay will affect the tracking performance. To solve this problem, we build a dynamic model based on directed communication topology. Then we use neural network to obtain the real-time estimate of model uncertainties and external disturbances, and use adaptive control to compensate for residual effects. Based on nonsingular...
This paper shows the variation of clusters with the increasing number of antennas. The data was collected from the massive MIMO mobile measurement at 3.5 GHz, in line of sight (LoS) and non line of sight (NLoS) conditions, respectively. And the virtual measurement method is used to form the 64-element, 128-element and 256-element virtual antenna array from the 32-element antenna array. After estimating...
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