TY - JOUR T1 - Enhanced frequency analysis using wavelets JO - International Journal of Control PY - 2002/10/01 AU - Liu J AU - Billings SA AU - Zhu ZQ AU - Shen J ED - DO - DOI: 10.1080/00207170210156206 VL - 75 IS - 15 SP - 1145 EP - 1158 Y2 - 2025/07/13 ER -