[1] [1] YANK M E, TORLAK M. Millimeter-wave near-field imaging with two-dimensional SAR data-presentation[C]// Proc. SRC Techcon. Austin,TX,USA:[s.n.], 2018.

[2] [2] WANG D,YOO S,CHO S H. Experimental comparison of IR-UWB radar and FMCW radar for vital signals[J]. Sensors, 2020,20 (22):6695.

[3] [3] YANIK M E, WANG D, TORLAK M. Development and demonstration of MIMO-SAR mm wave imaging testbeds[J]. IEEE Access, 2020(8):126019-126038.

[5] [5] WANG Z,QIAO L,WANG Y,et al. A wide-band three-dimensional submillimeter-wave imaging system based on vector network analyzer[C]// 2016 41st International Conference on Infrared, Millimeter, and Terahertz Waves(IRMMW-THz). Copenhagen, Denmark:IEEE, 2016.

[6] [6] YANIK M E, TORLAK M. Near-field MIMO-SAR millimeter-wave imaging with sparsely sampled aperture data[J]. IEEE Access, 2019(7):31801-31819.

[9] [9] YANIK M E, WANG D, TORLAK M. 3D MIMO-SAR imaging using multi-chip cascaded millimeter-wave sensors[C]// 2019 IEEE Global Conference on Signal and Information Processing(GlobalSIP). Ottawa,ON,Canada:IEEE, 2019:1-5.

[11] [11] SHEEN D M,MCMAKIN D L,COLLINS H D,et al. Near-field millimeter-wave imaging for weapons detection[C]// Presented at the Intelligent Robots and Visial Communications. Boston,Massachusetts:IEEE, 1992.