Results 61 to 70 of about 979,995 (200)
SensorsThis paper proposes a novel drone detection method based on a convolutional neural network (CNN) utilizing range–Doppler map images from a frequency-modulated continuous-wave (FMCW) radar. The existing drone detection and identification techniques, which
Seung-Kyu Han +2 more
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WiWeHAR: Multimodal Human Activity Recognition Using Wi-Fi and Wearable Sensing Modalities
IEEE Access, 2020 Robust and accurate human activity recognition (HAR) systems are essential to many human-centric services within active assisted living and healthcare facilities.
Muhammad Muaaz +4 more
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Tracing cosmological signature with Doppler lensing: Insights from cosmological simulations
Physics Letters BDoppler lensing, a relativistic effect resulting from the peculiar velocities of galaxies along the line of sight, provides insight into the large-scale structure of the Universe.
Mubtasim Fuad +2 more
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Signature Analysis and Discrimination Method of Preceded Frequency-shift False Target
Leida xuebao, 2017 Due to the effect of range-Doppler coupling between the time delay and shifted frequency of an LFM waveform, LFM radar is particularly susceptible to shift frequency jamming. A new deceptive jamming method, the Preceded Frequency-shift False Target (PFFT)
Feng Dejun, Wang Junjie, Wang Junqing
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Generation of Human Micro-Doppler Signature Based on Layer-Reduced Deep Convolutional Generative Adversarial Network. [PDF]
Comput Intell Neurosci, 2022 Ostovan M, Samadi S, Kazemi A.
europepmc +1 more source
Micro-Doppler Signature Analysis for Space Domain Awareness Using VHF Radar
Remote SensingThe large quantity of resident space objects orbiting Earth poses a threat to safety and efficient operations in space. Radar sensors are well suited to detecting objects in space including decommissioned satellites and debris, whereas the more commonly ...
Emma Heading +3 more
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Doppler Velocity Signatures of Idealized Elliptical Vortices
Terrestrial, Atmospheric and Oceanic Sciences, 2006 Doppler radar observations have revealed a class of atmospheric vortices (tropical cyclones, tornadoes, dust devils) that possess elliptical radar reflectivity signatures. One famous example is Typhoon Herb (1996) that maintained its elliptical reflectivity structure over a 40-hour period. Theoretical work and dual-Doppler analyses of observed tropical
Wen-Chau Lee +4 more
openaire +3 more sources
Low-Frequency Gravitational Wave Searches Using Spacecraft Doppler Tracking
Living Reviews in Relativity, 2006 This paper discusses spacecraft Doppler tracking, the current-generation detector technology used in the low-frequency (~millihertz) gravitational wave band.
Armstrong J. W.
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