21 October 2016 Millimeter-wave/THz FMCW radar techniques for sensing applications
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Abstract
Millimeter-wave and terahertz continuous-wave radar systems have been used to measure physiological signatures for biometric applications and for a variety of non-destructive evaluation applications, such as the detection of defects in materials. Sensing strategies for the simplest homodyne systems, such as a Michelson Interferometer, can be enhanced by using Frequency Modulated Continuous Wave (FMCW) techniques. This allows multiple objects or surfaces to be range resolved while monitoring the phase of the signal in a particular range bin. We will discuss the latest developments in several studies aimed at demonstrating how FMCW techniques can enhance mmW/THz sensing applications.
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D. Amal Mirando, D. Amal Mirando, Michael D. Higgins, Michael D. Higgins, Fenggui Wang, Fenggui Wang, Douglas T. Petkie, Douglas T. Petkie, } "Millimeter-wave/THz FMCW radar techniques for sensing applications", Proc. SPIE 9993, Millimetre Wave and Terahertz Sensors and Technology IX, 99930A (21 October 2016); doi: 10.1117/12.2242144; https://doi.org/10.1117/12.2242144
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