TY - GEN AU - Cheng,Yayun AU - Hu,Fei AU - Hu,Yan AU - Zhao,Ziran AU - Wang,Yingxin TI - C-curve feature of complex permittivity estimation based on multi-polarization measurements in passive millimeter-wave sensing SN - 1539-4794 PY - 2019/// PB - Optics letters N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/OL.44.003765 ER -