Jamming detection for Iridium LEO satellite-IoT links using autoencoders
Autoencoders detect jamming via noise-floor rise on physical-layer signals with AUC 0.84, outperforming C/N0 and SNR estimators.
Stories per day · 30 days
5 stories, newest first · one card per story
Stories tagged #signal-processing
Learning Where to Split: Dynamic Band Splitting for Audio Source Separation
Dynamic Band Splitting adapts audio frequency bands, gaining 29% relative SI-SDR on DnR v2.
CNN-Transformer with Sigmoid Label for High-Resolution Sub-Degree DOA Estimation
A CNN-Transformer with sigmoid labels reaches sub-degree DOA accuracy on a 0.25-degree grid.
Revisiting Input Time-frequency Representations in Multi-pitch Estimation for Vocal Ensembles
arXiv paper shows linear STFT inputs beat harmonic constant-Q transform for vocal-ensemble multi-pitch estimation while cutting feature-extraction cost.
Learning with Covariance Matrices: Principal Component Analysis Meets Learning with Graphs
Theoretical tutorial establishes equivalence between covariance neural networks and PCA, with stability and transferability bounds and brain-age applications.