Measuring material/tissue permittivity by UWB Time-domain Reflectometry techniques

Strackx, Maarten; D’Agostino, Emiliano; Vandenbosch, Guy; Reynaert, Patrick; Leroux, Paul

doi:10.1109/isabel.2010.5702911

Cited by 4 publications

(1 citation statement)

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“…Remote sensing of heartbeat, respiration rate, fall detection and subcutaneous bleedings [10] are potential applications. Previously we used the single Vivaldi antenna to measure changes in complex permittivity of tissue phantoms [11].…”

Section: Introductionmentioning

confidence: 99%

Ultra-wideband antipodal vivaldi antenna array with Wilkinson power divider feeding network

Strackx

Janssen²,

D’Agostino

et al. 2011

2011 IEEE International Conference on Ultra-Wideband (ICUWB)

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In this paper, a two element antipodal Vivaldi antenna array in combination with an ultra-wideband (UWB) Wilkinson power divider feeding network is presented. The antennas are placed in a stacked configuration to provide more gain and to limit cross talk between transmit and receive antennas in radar applications. Each part can be realized with standard planar technology. For a single antenna element, a comparison in performance is done between standard FR4 and a Rogers ® RO3003 substrate. The antenna spacing is obtained using the parametric optimizer of CST MWS ® . The performance of the power divider and the antenna array is analyzed by means of simulations and measurements.

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Section: Introductionmentioning

confidence: 99%