Results 31 to 40 of about 6,921,664 (320)
Comparison of on-wafer calibrations using the concept of reference impedance [PDF]
, 1993 A novel method that allows to compare different calibration techniques has been developed. It is based on determining the reference impedance of a given Network Analyzer calibration from the reflection coefficient measurement of a physical open circuit ...
Pradell i Cara, Lluís +1 more
core +1 more source
Data-Driven Seismic Impedance Inversion Based on Multi-Scale Strategy
Remote Sensing, 2022 Seismic impedance inversion is one of the most commonly used techniques for reservoir characterization. High accuracy and high resolution seismic impedance is a prerequisite for subsequent reservoir interpretation.
Guang Zhu +3 more
doaj +1 more source
Date-Driven Distribution Network Topology Identification and Line Impedance Estimation
Zhejiang dianli, 2022 The topological structure and line impedance parameters of low-and medium-voltage distribution networks are the foundation of realizing various functions of the future intelligent distribution networks.
TONG Li +3 more
doaj +1 more source
IEEE Access, 2018 Recently, emerging sub-/super-synchronous oscillation (SSO) issues occurred in large-scale wind power systems, which are caused by the interactions between the power electronic converter based-wind turbine generators (WTGs) and the ac/dc grids.
Huakun Liu, Xiaorong Xie
semanticscholar +1 more source
Bow-Tie Microstrip Antenna Design [PDF]
, 2005 In this paper, the bow-tie microstrip antennas have been designed with two different angles of 40° and 80°. An investigaton on the effect of the angle to the return loss and radiation patterns had been carried out.
Abdul Aziz, M. Z. A. +2 more
core +1 more source
Evaluation of Medium Voltage Network for Propagation of Supraharmonics Resonance
Energies, 2021 Power converters with high switching frequency used to integrate renewable power sources to medium and low voltage networks are sources of emission in the supraharmonic range (2 to 150 kHz).
Shimi Sudha Letha +3 more
doaj +1 more source
Experimental assessment of harmonic contributions using a ternary pulse sequence [PDF]
Serbian Journal of Electrical Engineering, 2021 Harmonic contributions of utility and customer may feature significant variations due to network switchings and changing operational modes. In order to correctly define the impacts on the grid voltage distortion the frequency dependent impedance
Bulycheva Evgeniia, Yanchenko Sergey
doaj +1 more source
Comparison of Howland and General Impedance Converter (GIC) circuit based current sources for bio-impedance measurements [PDF]
, 2010 The current source is a key component in bio-impedance measurement systems. The accuracy of the current source can be measured in terms of its output impedance together with other parameters, with certain applications demanding extremely high output ...
A Zarafshani +11 more
core +1 more source
IEEE Access, 2021 This paper presents the detection of High Impedance Fault (HIF) in solar Photovoltaic (PV) integrated power system using recurrent neural network-based Long Short-Term Memory (LSTM) approach.
Veerapandiyan Veerasamy +8 more
semanticscholar +1 more source
Direct Matching Antennas in RF Energy Harvesting Systems: A Review
Majlesi Journal of Electrical Engineering, 2022 A historical review of Radio Frequency Energy Harvesting (RFEH) Rectenna (Rectifier Antenna) Systems without a matching network is performed, with emphasis on the antenna part.
Vahid Honarvar, Farzad Mohajeri
doaj +1 more source