Results 161 to 170 of about 3,505 (206)

Large-array sub-millimeter precision coherent flash three-dimensional imaging. [PDF]

Nat Commun
Wang B, Tian J, Wang J, Xu S, Zhao S, Duan J, Zhang W, Liu Y, Zeng T, Mao E.   +9 more
europepmc   +1 more source

Heart Rate Estimation Using FMCW Radar: A Two-Stage Method Evaluated for In-Vehicle Applications. [PDF]

Biomimetics (Basel)
Brandstetter J, Knoch EM, Gauterin F.
europepmc   +1 more source

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Mutual interferences in frequency-modulated continuous-wave (FMCW) LiDARs

Optik, 2020
Abstract This paper investigates mutual interferences between FMCW LiDARs both experimentally and theoretically. We show that the FMCW LiDARs have mutual interference problems as those of the FMCW radars. The transient interference degrades the signal-to-noise ratio and the in-band interference generates ghost images.
Chang-Hee Lee
exaly   +2 more sources

Computational Image Enhancement for Frequency Modulated Continuous Wave (FMCW) THz Image [PDF]

Journal of Infrared, Millimeter, and Terahertz Waves, 2019
This is a pre-print of an article published in Journal of Infrared, Millimeter, and Terahertz Waves.
Tak Ming Wong, Matthias Kahl, Peter Haring Bolivar   +2 more
exaly   +3 more sources

300 GHz frequency modulated continuous wave (FMCW) radar system for detecting rocks’ lithological changes

2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2022
F Fauquet, P Mounaix, Jean-Paul Guillet   +2 more
exaly   +2 more sources

A design of the frequency modulated continuous wave (FMCW) radar system

The 18th IEEE International Symposium on Consumer Electronics (ISCE 2014), 2014
In this paper, FMCW Radar system is used for measurement of oil level in the oil tank. Analog part consists of horn type Antenna, Hybrid Coupler, Mixer, and Voltage Controller Oscillator (VCO). Digital part is designed using DSP chip with ADC chip. The experiment was simulated in the virtual chamber of oil tank; the measured distance ranges from 1 m to
Sung Ho Cho
exaly   +2 more sources

Signal Processing for a Multiple-Input, Multiple-Output (MIMO) Video Synthetic Aperture Radar (SAR) with Beat Frequency Division Frequency-Modulated Continuous Wave (FMCW) [PDF]

Remote Sensing, 2017
In this paper, we present a novel signal processing method for video synthetic aperture radar (ViSAR) systems, which are suitable for operation in unmanned aerial vehicle (UAV) environments. The technique improves aspects of the system’s performance, such as the frame rate and image size of the synthetic aperture radar (SAR) video. The new ViSAR system
Seok Kim, Jiwoong Yu, Se-Yeon Jeon
exaly   +4 more sources