@inproceedings{inproceedings, title = {{Complex Permittivity Estimation for Construction Materials based on PSO Method}}, publisher = {{IEEE}}, url = {{}}, year = {{2019}}, month = {{7}}, author = {{Luo J and Shao Y and Zhang R and Liao X and Zhang J}}, doi = {{10.1109/apusncursinrsm.2019.8889106}}, journal = {{2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting}}, note = {{Accessed on 2025/06/28}}}