Accurate Doppler Cardiogram Sensing with Frequency-Domain Digital Beamforming Technique Based on a $K$-Band Biomedical Radar

Jiayu Zhang, Shuqin Dong, Yuchen Li, Yiyan Cao, Zhiwei Zhang, Changzhan Gu, Junfa Mao. “Accurate Doppler Cardiogram Sensing with Frequency-Domain Digital Beamforming Technique Based on a $K$-Band Biomedical Radar.” 2025 IEEE/MTT-S International Microwave Symposium - IMS 2025, pp. 279-282, 2025. doi: 10.1109/ims40360.2025.11103974.