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APA Citation
Hou, B., Wang, D., Kong, J., Liu, J., Peng, Z., & Tsui, K. (2022). understanding importance of positive and negative signs of optimized weights used in the sum of weighted normalized Fourier spectrum/envelope spectrum for machine condition monitoring. Mechanical systems and signal processing, 174, . http://access.bl.uk/ark:/81055/vdc_100153811692.0x00002e