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• W4312602904 abstract "Obtaining larger category-label-containing training signal datasets in non-cooperative scenarios is difficult. Moreover, employing smaller labeled signal datasets for specific emitter identification is technically challenging. Therefore, we propose a novel method for few-shot SEI. We first design a bispectral analysis and Radon transformation-based signal preprocessing scheme to obtain feature vectors that effectively characterize the radio frequency fingerprints. The feature vectors are then fed to a network model for feature learning. Moreover, a meta-learning algorithm is applied to the network model to adapt to few-shot feature learning. The conventional meta-learning algorithm is improved to develop a novel algorithm involving latent embedding optimization for meta-learning. The proposed method extracts low-dimensional key features from high-dimensional input data and evaluates the distance and degree of feature dispersion. The resulting information is employed in sample point prediction. The algorithm effectively achieves few-shot SEI and offers stable and efficient recognition after training with a minimum of forty samples. This method identifies emitter individuals under multiple modulation types and exhibits scalability in identifying the emitter numbers. Moreover, it offers adaptability in identifying the emitter individuals under multiple propagation channel types." @default.
• W4312602904 created "2023-01-05" @default.
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• W4312602904 date "2023-01-01" @default.
• W4312602904 modified "2023-09-30" @default.
• W4312602904 title "A Novel Method for Few-Shot Specific Emitter Identification in Non-Cooperative Scenarios" @default.
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• W4312602904 doi "https://doi.org/10.1109/access.2022.3229890" @default.
• W4312602904 hasPublicationYear "2023" @default.
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