Harmonic FMCW Radar System: Passive Tag Detection and Precise Ranging Estimation [PDF]
SensorsThis paper details the design and implementation of a harmonic frequency-modulated continuous-wave (FMCW) radar system, specialized in detecting harmonic tags and achieving precise range estimation.
Ahmed El-Awamry +3 more
doaj +9 more sources
Impact of Phase Noise on Range Estimation Accuracy in Harmonic FMCW Radar Systems
IEEE AccessThis paper investigates the impact of phase noise on range estimation accuracy in harmonic Frequency-Modulated Continuous-Wave (FMCW) radar systems.
Ahmed El-Awamry +3 more
doaj +5 more sources
Dual-Mode FMCW Harmonic Radar Supporting Auxiliary Transmitter Operation [PDF]
2023 IEEE International Radar Conference (RADAR), 2023 In this paper, we propose a dual-mode FMCW harmonic radar capable of both harmonic and intermodulation operation. The presented system prototype operates in the Xband in the uplink (radar to the target) and the K-band in the downlink (target to the radar).
Storz, Greg +3 more
core +5 more sources
Detection of Electronic Devices Using FMCW Nonlinear Radar [PDF]
Sensors, 2022 Nonlinear radars can be utilized to detect electronic devices, which are difficult to detect with conventional radars due to their small radar cross sections (RCS).
Kyuho Cha +4 more
doaj +4 more sources
SignalsAccurate peak detection in the frequency domain is fundamental to reliable range estimation in Frequency-Modulated Continuous-Wave (FMCW) radar systems, particularly in challenging conditions characterized by a low signal-to-noise ratio (SNR) and phase ...
Ahmed El-Awamry +3 more
doaj +3 more sources
Noncontact Cardiac Activity Detection Based on Single-Channel ISM Band FMCW Radar [PDF]
Biosensors, 2023 The heart is an important organ that maintains human life activities, and its movement reflects its health status. Utilizing electromagnetic waves as a sensing tool, radar sensors enable noncontact measurement of cardiac motion, offering advantages over ...
Kui Qu, Lei Wei, Rongfu Zhang
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Terahertz Nondestructive Testing with Ultra-Wideband FMCW Radar [PDF]
Sensors, 2022 This paper presents the development, performance, integration, and implementation of a 150 GHz FMCW radar based on a homodyne harmonic mixing scheme for noncontact, nondestructive testing. This system offers high-dynamic-range measurement capabilities up
Barnabé Carré +5 more
doaj +3 more sources
Experimental Verification of Dual-Mode X-band FMCW Harmonic Radar [PDF]
2024 IEEE Asia-Pacific Microwave Conference (APMC)Harmonic radars that use passive nonlinear tags as targets are disadvantaged by the low power of the return signal, which significantly reduces their maximum operating range. To address this limitation, a novel dual-mode X-band FMCW harmonic radar capable of receiving both harmonic and intermodulation signal returns was developed.
Afroz, Rifat +4 more
core +5 more sources
A 90-98 GHz CMOS Transmitter Frontend for Concurrent Phase-Coded FMCW Radar Applications
IEEE Journal of Microwaves, 2022 A 90-98 GHz transmitter frontend fabricated in TSMC 65-nm bulk CMOS, capable of concurrent radar-communications applications is presented. A transmitter is proposed that can be used for phase-coded frequency-modulated continuous wave (PC-FMCW) radar as ...
Tal Elazar, Eran Socher
doaj +2 more sources
Spatial Blind Source Estimation of Respiratory Rate and Heart Rate Detection Based on Frequency-Modulated Continuous Wave Radar [PDF]
SensorsWhen detecting respiratory rate and heart rate in an FMCW radar room, there is a lot of static clutter and white Gaussian noise generated by hardware heat loss in the environment, which makes the separation of respiratory and heartbeat signals poor.
Tong Pei +4 more
doaj +2 more sources