Accurate and Contactless Vital Sign Detection in Short Time Window with 24 GHz Doppler Radar

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Component</td><td class="align_center">Model</td><td class="align_center">Description</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Radar</td><td class="align_center">K-LC5</td><td class="align_center">24 GHz Doppler radar transceiver with I/Q IF outputs</td></tr><tr><td class="align_left">Sliding table</td><td class="align_center">SGX1204-100</td><td class="align_center">Ball screw rail sliding table with screw diameter of 12 mm, screw pitch of 4 mm, and maximum movement distance of 100 mm</td></tr><tr><td class="align_left">Stepper motor</td><td class="align_center">BS57HB76-03</td><td class="align_center">Two phase stepper motor with step angle of 1.8°, torque of 1.5 Nm, and maximum speed of 600 rpm</td></tr><tr><td class="align_left">Stepper motor driver</td><td class="align_center">DM542</td><td class="align_center">Pulse controlled stepper motor driver</td></tr><tr><td class="align_left">Microcontroller</td><td class="align_center">STM32F405</td><td class="align_center">168 MHz cortex-M4 CPU with FPU</td></tr><tr><td class="align_left">Power supply</td><td class="align_center">AC-DC power</td><td class="align_center">+24 V 6.75A</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Description of the simulation setup’s components.</div>

Journal of Sensors

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Table 1

Table 1: Accurate and Contactless Vital Sign Detection in Short Time Window with 24 GHz Doppler Radar 