Spatiotemporal Acoustic Communication by a Single Sensor via Rotational Doppler Effect
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Science"
DOI: 10.1002/advs.202206619
Abstract: A longstanding pursuit in information communication is to increase transmission capacity and accuracy, with multiplexing technology playing as a promising solution. To overcome the challenges of limited spatial information density and systematic complexity in acoustic… read more here.
Keywords: single sensor; rotational doppler; communication; doppler effect ... See more keywords
Doppler effect‐based low‐Earth orbit satellite constellation parameters
Sign Up to like & getrecommendations! Published in 2024 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.34074
Abstract: The present study focuses on the manifestation of the Doppler effect in low‐Earth orbit (LEO) satellite constellations with laser inter‐satellite links (LISLs). In this letter, the LEO satellite constellation parameters that influence the variation of… read more here.
Keywords: constellation parameters; constellation; doppler effect; satellite constellation ... See more keywords
The Doppler effect is the same for both optics and acoustics
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.167565
Abstract: Abstract According to modern physics, there are three main differences between the Doppler effect in optics and the Doppler effect in acoustics: (i) difference in which relative velocity is more important; (ii) difference in the… read more here.
Keywords: doppler effect; optics acoustics; effect optics; acoustics ... See more keywords
Analysis of rotational Doppler effect based on radio waves carrying orbital angular momentum
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5050448
Abstract: The electromagnetic beam carrying orbital angular momentum (OAM) has a twisted phase front, which can induce a rotational Doppler frequency shift when it is illuminating on a spinning object. In this paper, the rotational Doppler… read more here.
Keywords: doppler effect; rotational doppler; radio; doppler ... See more keywords
Fourier-transform spectroscopy based on the rotational Doppler effect
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DOI: 10.1063/5.0220119
Abstract: We propose a new Fourier-transform spectroscopy technique based on the rotational Doppler effect. The technique offers an application for optical vortex frequency combs, where each frequency component carries a unique amount of orbital angular momentum… read more here.
Keywords: transform spectroscopy; spectroscopy; doppler effect; fourier transform ... See more keywords
A simple derivation of the relativistic Doppler effect in accelerated systems
Sign Up to like & getrecommendations! Published in 2025 at "European Journal of Physics"
DOI: 10.1088/1361-6404/adbd99
Abstract: The theory of the relativistic Doppler effect is well established and validated by several experiments. Most derivations, however, assume that both the reference frame of the source and the reference frame of the receiver are… read more here.
Keywords: accelerated systems; non inertial; doppler; relativistic doppler ... See more keywords
Anomalous Doppler Effect in Superfluid and Supersolid Atomic Gases.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review letters"
DOI: 10.1103/physrevlett.134.226001
Abstract: By employing the formalism of hydrodynamics, we derive novel analytic predictions for the Doppler effect in superfluids with broken Galilean invariance and hosting persistent currents at zero temperature. We consider two scenarios: when Galilean invariance… read more here.
Keywords: effect; superfluid; atomic gases; doppler effect ... See more keywords
Efficient Approach to Decoupled Localization for Noncircular Sources in the Presence of Doppler Effect
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3170840
Abstract: Direction estimation in the presence of the Doppler effect can be carried out according to the maximum likelihood principle, which requires solving a nonlinear multidimensional problem. A complex multidimensional problem can be transformed into simple… read more here.
Keywords: noncircular sources; doppler; presence doppler; doppler effect ... See more keywords
ADEAS: Authentication Using Doppler Effect of Acoustic Signals Caused by Hands Moving
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2024.3450692
Abstract: Presently, the prevalent authentication approaches in smartphones are susceptible to interference from light, noise, temperature, and the risk of replay attacks. In the light of these vulnerabilities, and taking into account user behavior alongside smartphone… read more here.
Keywords: acoustic signals; authentication; adeas authentication; authentication using ... See more keywords
Rotational Doppler Effect Based on Reconfigurable Circularly Polarized OAM Array
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2024.3512585
Abstract: Orbital angular momentum (OAM) radar is a new type of radar that can provide azimuth information about targets in the field of detection and imaging. However, previous OAM radar systems have not explored the contribution… read more here.
Keywords: reconfigurable circularly; doppler; polarized oam; doppler effect ... See more keywords
Precession Parameter Estimation of Warhead With Fins Based on Micro-Doppler Effect and Radar Network
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2022.3182635
Abstract: Precession is a typical micromotion of a ballistic missile warhead in the middle of the trajectory. The modulation of the narrow-band radar echo by the precession warhead is mainly reflected in the micro-Doppler effect, which… read more here.
Keywords: micro doppler; precession; warhead; doppler effect ... See more keywords