Optimization of periodic synchronization of UAV's clock by differential phase method by A.I. Sulimov

“…Depending on the efficiency of the Doppler phase shift compensation, the optimum frequency separation of the synchronizing tones ranges from 10 to 1500 MHz with the correspondent synchronization precision achieved from 0.25 to 2.65 ns at the observation time of up to 100 s. …”
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Characteristics of phase synchronization in electrohysterography and tocodynamometry for preterm birth prediction by Jae-Hwan Kang, Young-Ju Jeon, In-Seon Lee, Junsuk Kim

“…Using an open-access EHG dataset, we first assessed the degree of phase synchronization of five specified frequency ranges from 0.08 to 5.0 Hz in three individual EHG signals by constructing two distinct sets of mean phase coherence: the inclusion or exclusion of TOCO signals. …”
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ESTIMATION OF THE EFFICIENCY OF HORMONE-REGULATING SYNCHRONIZATION OF OVULATION IN FEMALE MICE by V. M. Pokrovsky, E. A. Patrakhanov, P. R. Lebedev, A. V. Belashova, A. Yu. Karagodina, A. A. Shabalin, A. V. Nesterov, V. A. Markovskaya, M. V. Pokrovsky

“…The aim of the wok is to assess the efficiency of hormone-regulating synchronization of ovulation in female mice, to increase the number of simultaneously fertilized individuals and obtain their offspring in the planned time frame.Materials and methods. …”
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Applying Structure Exchange to Battery Charging to Enhance Light-Load Efficiency by Kuo-Ing Hwu, Pei-Ching Tseng, Jenn-Jong Shieh

“…Consequently, in order to conquer such problems mentioned above, the structure exchange, with only the control strategy changed from the phase-shift control to the two-transistor forward control, is presented to increase the light-load efficiency remarkably. …”
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Single-Phase Dual-Pole Line Start Permanent Magnet Synchronous Motor by Fakhrossadat Ghoroghchian, Yi Du, Ebrahim Amiri, Zhuofan He, Aliakbar Damaki Aliabad, Akbar Rahideh

“…Since the efficiency of permanent magnet synchronous motors is generally higher than that of IMs, and to improve the operational efficiency in household applications this paper aims to convert the two-speed single-phase IM with the two-speed single-phase Line Start Permanent Magnet (LSPM) synchronous motor. …”
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Assessment of Current and Voltage Signature Analysis for the Diagnosis of Open-Phase Faults in Asymmetrical Six-Phase AC Permanent Magnet Synchronous Motor Drives by Yasser Gritli, Claudio Rossi, Angelo Tani, Domenico Casadei

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Torque dynamic performance enhancement of five‐phase permanent magnet synchronous motor with open‐circuit fault by Zhengmeng Liu, Huawei Zhou, Zhenwu Zhou, Guohai Liu

“…Abstract Multiphase permanent magnet synchronous motors (PMSMs) have attracted much more attention for their high efficiency, low torque ripple and good fault tolerance. …”
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Methods, Techniques, and Algorithms of Synchronous Multi-Zone Modulation of Signals of Voltage Source Inverters (literature review) by Oleschuk V., Tirsu M.

“…It provides minimization of even harmonics and undesirable subharmonics (of the fundamental frequency) in spectra of the basic voltages of systems, leading to reducing of losses in systems and to increasing of its efficiency. Based on a comparative analysis of the integral spectral characteristics of the phase and line voltages of the systems, recommendations are formulated for the rational choice of schemes and algorithms of synchronous modulation for the relevant installations, depending on the modes of their operation. …”
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High-speed algorithm for carrier frequency recovery and frame synchronization in QPSK-modulated modems by A. V. Sadchenko, O. A. Kushnirenko, E. K. Koshelev, V. I. Bondar

“…When demodulating signals in communication systems with QPSK modulation operating in the pulsed mode, the following problems arise: rapid elimination of the reference oscillator phase ambiguity and ensuring reliable frame synchronization for a given noise immunity. …”
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Performance Analysis of Traction Synchronous Machine With Rotor Field Winding and Two-Phase Harmonic Field Exciter With PWM Supply by Vladimir Dmitrievskii, Vadim Kazakbaev, Vladimir Prakht, Aleksey Paramonov, Victor Goman

“…The article presents a new design of a traction synchronous motor with a field winding on the rotor with a two-phase brushless harmonic exciter that increases the electromotive force on the field winding. …”
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Complex Synchronization Dynamics of Electronic Oscillators–Part II: Simulations and Validation of Phase-Amplitude Reduced Models by Konstantinos Metaxas, Nikolaos P. Eleftheriou, Yannis Kominis, Paul P. Sotiriadis

“…For more general forcing scenarios, the full Phase-Amplitude reduction effectively describes the synchronization dynamics. …”
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The influence of detector's parameters on the efficiency of radio signals with complex phase modulation receiving by I. P. Maksymiv, S. І. Altunin, A. P. Bondariev, I. V. Horbatyi

“…The second part of the work was dedicated to the research of detection efficiency of modified detector using complex phase modulated signal 8-QAM. …”
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Design and Construction of Position Sensorless Controller of Permanent Magnet Synchronous Motor with Internal Magnet based on Improved Phase-Locked Loop by Saeed Abazari, Sajad Mohamadi, Gholamreza Arab

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Simultaneous realization of time and carrier-envelope phase synchronization for an ultra-intense few-cycle laser pulse coherent combining system by Guoli Zhang, Xiao Liang, Hao Xue, Xinglong Xie, Ping Zhu, Fucai Ding, Meizhi Sun, Linjun Li, Rashid Ul Haq, Ailin Guo, Xiangbing Zhu, Jianqiang Zhu

“…Here, we propose a concise optical method based on the phase retrieval of spectral interference and quadratic function symmetry axis fitting to simultaneously measure the time synchronization and ΔCEP between few-cycle pulses. …”
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Single source self balanced switched capacitor based singe phase nine level inverter by Surya Natarajan, AjithKumar G

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Symbol rate estimation of PSK signal based on PLL and wavelet transform by Nan XIA, Tian-shuang QIU, Jing-chun LI

“…An improved algorithm for symbol rate estimation based on wavelet transform was proposed.The PLL based phase adaptive tracking approach was applied to synchronize the phase between the receiver and the itter and extract the signal envelope.The symbol rate was estimated from the wavelet transform magnitudes of the base-band signal.The improved algorithm effectively solved the problem on the result of estimation suffering from initial phases and noise occurred in the classical Chan’s algorithm.Simulation results verify that the novel algorithm is efficient and superior to the existing algorithms.…”
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Complex Synchronization Dynamics of Electronic Oscillators–Part I: A Time-Domain Approach via Phase-Amplitude Reduced Models by Konstantinos Metaxas, Paul P. Sotiriadis, Yannis Kominis

“…For more general forcing scenarios, the full Phase-Amplitude reduction effectively describes the synchronization dynamics. …”
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Synchronized Measurement of the Fundamental Voltage and Harmonic, Interharmonic, and Subharmonic Components of the Electrical Grid Using an Adaptive Kalman Filter by Germán Martínez-Navarro, Salvador Orts-Grau, José Carlos Alfonso-Gil, Pedro Balaguer-Herrero

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Two Degrees of Freedom Synchronous Motion Modulation Technique Using MEMS Voltage-Controlled Oscillator-Based Phase-Locked Loop for Magnetoresistive Sensing by Zhenyu Shi, Zhenxiang Qi, Haoqi Lyu, Qifeng Jiao, Chen Chen, Xudong Zou

“…This study presents a novel dual phase-locked loop two-dimensional synchronized motion modulation (TDSMM-DPLL) system designed to enhance the low-frequency detection capability of magnetoresistive (MR) sensors by effectively mitigating 1/f noise. …”
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Research on High-Precision Calculation Method for Permanent Magnet Synchronous Motor Efficiency in Electric Vehicles Across Full Load-Speed Range by Yukuan Li, Huichao Zhao, Sibo Wang, Wan Huang, Yao Wang, Bo Gao, Wei Pang, Tianxu Zhao, Yuan Cheng

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