TY - JOUR T1 - Complex Permittivity Estimation for Cloths Based on QPSO Method Over (40 to 50) GHz JO - IEEE Transactions on Antennas and Propagation PY - 2020/01/01 AU - Luo J AU - Shao Y AU - Liao X AU - Liu J AU - Zhang J ED - DO - DOI: 10.1109/tap.2020.3005032 PB - Institute of Electrical and Electronics Engineers (IEEE) VL - 69 IS - 1 SP - 600 EP - 605 Y2 - 2025/05/01 ER -