The algorithm for the detection of loss of excitation of synchronous generators based on a digital-phase comparator
Sign Up to like & getrecommendations! Published in 2018 at "Electrical Engineering"
DOI: 10.1007/s00202-017-0586-3
Abstract: The paper presents an algorithm that is used to detect the loss of excitation (LOE) of synchronous generators. The algorithm is implemented on the principle of a digital phase comparison in the time domain. The… read more here.
Keywords: digital phase; loss excitation; synchronous generators;
Digital phase demodulation for low-coherence interferometry-based fiber-optic sensors
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.11.002
Abstract: Abstract We describe a digital phase demodulation scheme for low-coherence interferometry-based fiber-optic sensors by employing a simple generation of phase-shifted signals at the interrogation interferometer. The scheme allows a real-time calibration process and offers capability… read more here.
Keywords: phase; digital phase; coherence; phase demodulation ... See more keywords
Chimeras in digital phase-locked loops.
Sign Up to like & getrecommendations! Published in 2019 at "Chaos"
DOI: 10.1063/1.5077052
Abstract: Digital phase-locked loops (DPLLs) are nonlinear feedback-controlled systems that are widely used in electronic communication and signal processing applications. In most of the applications, they work in coupled mode; however, a vast amount of the… read more here.
Keywords: phase; digital phase; chimera patterns; locked loops ... See more keywords
A Novel Spectral-Efficient Coherent Radio-Over-Fiber Link With Linear Digital-Phase Demodulation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2946385
Abstract: In this paper, a novel spectral-efficient coherent radio-over-fiber (RoF) link with linear digital phase demodulation is proposed and experimentally demonstrated. At the transmitter, to make an efficient use of the optical power and spectra, an… read more here.
Keywords: digital phase; linear digital; phase demodulation; phase ... See more keywords
Stability Analysis for Fast Settling Switched Digital Phase-Locked Loops (DPLLs)
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Control Systems Letters"
DOI: 10.1109/lcsys.2023.3242830
Abstract: In current generation digital phase-locked loop (DPLL) architectures, techniques like gear-shift mechanism and switched phase-detection are employed to achieve better lock time and jitter performance. This letter presents a framework for detailed analysis of the… read more here.
Keywords: loop parameters; phase locked; analysis; stability ... See more keywords
A Compact Ka-Band Hybrid Analog/Digital Phase Shifter With GaAs Technology
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2023.3334447
Abstract: This brief proposes a Ka-band hybrid analog/digital phase shifter based on $0.15~\mu \text{m}$ GaAs pHEMT technology for 5G millimeter-wave applications. The phase shifter adopts the combination design of 3-bit digital and one analog phase-shifting cells… read more here.
Keywords: band hybrid; phase shifter; digital phase; analog ... See more keywords
Phase Noise Measurement of RF Signals by Photonic Time Delay and Digital Phase Demodulation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2018.2838119
Abstract: A simple and high-sensitivity frequency–discriminator-based phase noise measurement system using photonic time delay and digital phase demodulation is comprehensively investigated and experimentally demonstrated. By applying a low-loss optical fiber to provide a large amount of… read more here.
Keywords: phase; phase noise; digital phase; noise measurement ... See more keywords
Synthesis of quasi-optimal digital phase-locking systems under the action of additive noises
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Communications Technology and Electronics"
DOI: 10.1134/s1064226917080113
Abstract: Quasi-optimal synthesis of digital phase-locking systems (PLSs) is discussed to evaluate the information parameters of a frequency-modulated signal. An adaptive Kalman filter capable of functioning without a priori data on the statistical characteristics of input… read more here.
Keywords: digital phase; phase locking; quasi optimal; locking systems ... See more keywords