Results 191 to 200 of about 2,126 (235)

High-capacity optical communication relayed by multi-core amplifier on deployed submarine seven-core fiber cable. [PDF]

Commun Eng
Chen Y, Zhou J, Wu Y, Gao H, Xiao Y, Guo B, Li J, Li W, Chen R, Qiu R, Tu J, Du C, Shen L, Xie X, Yan Y, Wang G, Yu Y, Liu Z, Gao S, Li Z, Lu C.   +20 more
europepmc   +1 more source

A Multiport Network-Based Integrated Sensing System Using Rectangular Cavity Resonators for Volatile Organic Compounds. [PDF]

Sensors (Basel)
Wang H, Huang J.
europepmc   +1 more source

Data-Driven Parameter Identification of Synchronous Generators: A Three-Stage Framework with State Consistency and Grid Decoupling. [PDF]

Sensors (Basel)
Peykarporsan R, Govinda Waduge T, Lie TT, Stommel M.   +3 more
europepmc   +1 more source

Quadrature signal generation networks based on sequence discrimination

openaire   +1 more source

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A Quadrature Signal Generator Using PLL Technique

33rd European Microwave Conference Proceedings (IEEE Cat. No.03EX723C), 2003
A monolithic quadrature signal generator is presented, using PLL technique for automatic calibration. The quadrature signal generator consists of a quadrature signal generation block and a phase control loop to calibrate quadrature signals in real-time. The phase of a phase shifter is tuned by a control current from the phase control loop.
Songcheol Hong
exaly   +4 more sources

Research and Development of Wideband Quadrature Signal Generator

2021 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (ElConRus), 2021
The article presents the development of a broadband quadrature signal generator (QSG) from 10 MHz to 6 GHz. When designing the QSG in broadband of frequencies, there are some difficulties when using SiGe BiCMOS technology. The problems of linearity and broadband matching are most challenging to solve when using traditional solutions: using a polyphase ...
Alexander D. Kalyonov, Igor I. Mukhin, Vladimir V. Losev   +2 more
exaly   +2 more sources

Four new applications of Second-Order Generalized Integrator Quadrature Signal Generator

2016 IEEE Applied Power Electronics Conference and Exposition (APEC), 2016
The Second-Order Generalized Integrator (SOGI) was used as a building block for the SOGI-Quadrature-Signal Generator (SOGI-QSG) which has been widely used for gridsynchronization, frequency estimation, and harmonic extraction over the past decade.
Zhen Xin, Rende Zhao, Xiongfei Wang
exaly   +3 more sources

High-Precision Quadrature Signal Generator for Digital Demodulation of MEMS Gyroscope

Key Engineering Materials, 2015
A new quadrature signal generator based on Direct Digital Synthesis (DDS) algorithm for digital demodulation of MEMS gyroscope was proposed in this paper. To avoid quantization error, the dual-accumulator with signal-ROM structure was adopted.
Ying Tian
exaly   +2 more sources

A Novel Quadrature-Signal-Generator Based on Sliding-Mode Discrete Fourier Transform

2023 22nd International Symposium on Power Electronics (Ee), 2023
In this paper, a novel Quadrature-Signal-Generator (QSG) for single-phase synchronization systems based on frequency aligned Discrete Fourier Transform (DFT) is presented. Mathematical background of this new algorithm is shown including the adjustment that has to be done to remove the errors in DFT due to off-nominal frequency operations.
exaly   +3 more sources

Designing compact phase shifters with a resistorless quadrature signal generator

2025 21st International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuits Design (SMACD)
Uxua Esteban-Eraso, Carlos Sánchez-Azqueta, Francisco Aznar, Concepción Aldea, Santiago Celma   +4 more
exaly   +2 more sources