Theoretical considerations for a dynamic calibration target for through-wall and through-rubble motion-sensing Doppler radar

Michael J. Harner; Matthew J. Brandsema; Ram M. Narayanan; John R. Jendzurski; Nicholas G. Paulter

doi:10.1117/12.2262304

1 May 2017 Theoretical considerations for a dynamic calibration target for through-wall and through-rubble motion-sensing Doppler radar

Michael J. Harner; Matthew J. Brandsema; Ram M. Narayanan; John R. Jendzurski; Nicholas G. Paulter;

Author Affiliations +

Proceedings Volume 10188, Radar Sensor Technology XXI; 101880A (2017) https://doi.org/10.1117/12.2262304
Event: SPIE Defense + Security, 2017, Anaheim, California, United States

Abstract

The effectiveness of various dynamic calibration targets emulating human respiration are analyzed. Potential advantages of these devices relate to easier calibration methods for human detection testing in through-wall and through-rubbles situations. The three devices examined possess spherical polyhedral geometries. Spherical characteristics were implemented due to the unique qualities spheres possess in regards to calibration purposes. The ability to use a device that is aspect independent is favorable during the calibration process. Rather than using a traditional, static calibration sphere, a dynamic, sphere-like device offers the ability to resemble breathing movements of the human body. This motion opens the door for numerous types of Doppler testing that is impossible in a static calibration device. Monostatic RCS simulations at 3 GHz are documented for each geometry. The results provide a visual way of representing the effectiveness of each design as a dynamic calibration target for human detection purposes.

Citation Download Citation

Michael J. Harner, Matthew J. Brandsema, Ram M. Narayanan, John R. Jendzurski, Nicholas G. Paulter, "Theoretical considerations for a dynamic calibration target for through-wall and through-rubble motion-sensing Doppler radar", Proc. SPIE 10188, Radar Sensor Technology XXI, 101880A (1 May 2017); doi: 10.1117/12.2262304; https://doi.org/10.1117/12.2262304

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