%0 Journal Article %T Recognition of common shortwave protocols and their subcarrier modulations based on multi-scale convolutional GRU %A Cao, Jiuxiao %A Zhu, Rui %A Wang, Zhen %A Wang, Jun %A Shi, Guohao %A Chu, Peng %J PLoS ONE %V 20 %N 6 %D 2025-06-24 %I Public Library of Science %~ DeepDyve