Bio-radiolocation is a technology[1] for remote detection and diagnostics of biological objects by means of radar,[2] even behind optically opaque obstacles.[3][4] Devices based on this method are called bio-radars.
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^Xu, Hui; Li, Bangyu; Che, Xinsheng; Ren, Jian (2011). "Analyzing the Effect and Selecting the Parameter of Bioradar Antenna for Measurement". Advanced Research on Computer Education, Simulation and Modeling. Communications in Computer and Information Science. Vol. 176. pp. 451–456. doi:10.1007/978-3-642-21802-6_73. ISBN978-3-642-21801-9.