TY - JOUR T1 - The design of energy transfer filters for energy focus filtering JO - INT J CONTROL PY - 2008/01/01 AU - Wu X AU - Lang ZQ AU - Billings SA ED - DO - DOI: 10.1080/00207170701487797 VL - 81 IS - 2 SP - 214 EP - 226 Y2 - 2024/12/22 ER -