Interdigital Capacitor-Based Passive LC Resonant Sensor for Improved Moisture Sensing. - Kristian Chavdarov Dimitrov; Sanghun Song; Hyungjun Chang; Taejun Lim; Yongshik Lee; Byung-Jae Kwak (Sensors, 2020)

Dual-Band Branch-Line Coupler Based on Crossed Lines for Arbitrary Power-Split Ratios. - Hyungjun Chang; Taejun Lim; Kristian Chavdarov Dimitrov; Yongshik Lee (Sensors, 2022)

Low Frequency Gain Enhancement of Cavity-Backed Electrically-Small Hybrid Spiral Antenna for High-Voltage Partial Discharge Sensing. - Kristian Chavdarov Dimitrov; Yongshik Lee; Jae-Ho Youn; Chan-Uk Park; Seung Won Oh; Myoung-Soo Lee (IEEE Access, 2024)