Liu, Z. J., C. Y. Cui, and L. Yi. “Research on Machine Tool Bearing Compound Fault Recognition Based on Adaptive Wavelet Threshold Denoising and Improved CNN-BiLSTM”. Advanced Electromagnetics, vol. 15, no. 3, Aug. 2026, pp. 11061-8, doi:10.7716/aem.v15i3.4316.