Results 11 to 20 of about 319,225 (348)
Space-Ground Coherent Optical Links: Ground Receiver Performance With Adaptive Optics and Digital Phase-Locked Loop [PDF]
Journal of Lightwave Technology, 2019 In the framework of high-data-rate free-space optical low Earth orbit satellite-to-ground communication, we investigate, by means of a refined end-to-end numerical model of the link, the performance of a coherent receiver that combines an adaptive optics
L. Paillier +5 more
semanticscholar +1 more source
Memristor-Based Loop Filter Design for Phase Locked Loop
Journal of Low Power Electronics and Applications, 2019 The main challenge in designing a loop filter for a phase locked loop (PLL) is the physical dimensions of the passive elements used in the circuit that occupy large silicon area.
Naheem Olakunle Adesina +1 more
doaj +1 more source
Modified Second-Order Generalized Integrators With Modified Frequency Locked Loop for Fast Harmonics Estimation of Distorted Single-Phase Signals [PDF]
IEEE transactions on power electronics, 2019 This article proposes modified second-order generalized integrators (mSOGIs) for a fast estimation of all harmonic components of arbitrarily distorted single-phase signals, such as voltages or currents in power systems.
C. Hackl, Markus Landerer
semanticscholar +1 more source
Applied Sciences, 2022 This paper proposes a GPS receiver vector frequency-locked loop-assisted phase-locked loop (VFAPLL) structure based on the maximum likelihood estimation (MLE) method for highly dynamic weak-signal scenarios. In this structure, the loop structure does not
Na Li, Shufang Zhang, Yi Jiang
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Fully Digital Grid Synchronization Under Harmonics and Unbalanced Conditions
IEEE Access, 2019 For the grid-connected system, the unbalanced and harmonic components of three-phase grid voltage have a significant impact on the accuracy of grid synchronization.
Yu Bai +3 more
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An open and flexible digital phase-locked loop for optical metrology. [PDF]
Review of Scientific Instruments, 2018 This paper presents an open and flexible digital phase-locked loop optimized for laser stabilization systems. It is implemented on a cheap and easily accessible FPGA-based digital electronics platform (Red Pitaya) running a customizable open-source ...
Alex Tourigny-Plante +5 more
semanticscholar +1 more source
Design of all-digital phase-locked loop based on pipeline technology
Dianzi Jishu Yingyong, 2019 In order to improve the system of full digital phase-locked loop speed, reduce the power consumption of the system, and at the same time improve the dynamic performance and steady-state performance of phase-locked system,this paper proposes a full ...
Tian Fan, Yang Mengwei, Shan Changhong
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Research on frequency adaptive of fans based on harmonicextraction technology
Journal of Hebei University of Science and Technology, 2021 In order to solve the problem of voltage distortion and frequency fluctuation caused by harmonic interference of wind turbines which affects the stable operation of wind turbines connected to the grid,a frequency adaptive phase lock methodwas proposed ...
Xueyou ZHANG, Shan HE, Wenlong LI
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Electronics Letters, 2022 A novel frequency‐to‐voltage converter based phase‐locked loop (PLL) is proposed to overcome the inability of a frequency‐to‐voltage converter based frequency‐locked loop to lock phase.
Z. M. Saifullah +3 more
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Carrier tracking algorithm based on joint acquisition of frequency locked loop and phase locked loop
MATEC Web of Conferences, 2017 Aiming at the problem of frequency step in the frequency lock loop (FLL) - phase lock loop (PLL) carrier tracking algorithm’s conversion state, presenting an improved algorithm: PLL and FLL joint acquisition to replace the single FLL acquires frequency ...
Gao Kang, Zhao Qiang, Peng BaoTong
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