Results 41 to 50 of about 347,752 (281)

A review of online battery impedance spectroscope acquisition method based on power electronic system

Green Energy and Intelligent Transportation
Battery impedance plays a crucial role in battery state monitoring. However, traditional impedance measurements rely on specialized equipment such as electrochemical workstations, incurring high costs and lacking real-time capabilities.
Boyang Li, Ding Luo, Min Zhou, Dong Jiang, An Li   +4 more
doaj   +1 more source

Field-Programmable Gate Array-Based Coating Impedance Detector for Rapid Evaluation of Early Degradation of Protective Coatings

IEEE Access, 2019
In this paper, a novel, compact, And field-programmable gate array (FPGA)-based coating impedance detector (CID 2.0) was proposed to rapidly detect the early degradation of coatings.
Yueh-Lien Lee, Yu-Tong Kuo, Hung-Hsun Chen, Yung-An Hsieh   +3 more
doaj   +1 more source

Characterization of Parasitic Impedance in PCB Using a Flexible Test Probe Based on a Curve-Fitting Method

IEEE Access, 2021
Switching in power semiconductors with emerging materials such as silicon carbide (SiC) leads to undesired overvoltages and oscillations that limit switching frequency, largely due to impedance in the current commutation loop.
A. Llamazares, M. Garcia-Gracia, S. Martin-Arroyo   +2 more
doaj   +1 more source

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, Purroy Martín, Francesc   +1 more
core   +1 more source

Parent‐to‐Child Information Disclosure in Pediatric Oncology

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Despite professional consensus regarding the importance of open communication with pediatric cancer patients about their disease, actual practice patterns of disclosure are understudied. Extant literature suggests a significant proportion of children are not told about their diagnosis/prognosis, which is purported to negatively ...
Rachel A. Kentor, Flora Hoodin, Michelle Byrd, Kristin A. Kullgren, Leah LaLonde, Lauren Benkoske, Patrick Smith, Dawn Carson, Karen MacDonald, Susumu Inoue, Brenda Kitchen, Kate Gowans, Gregory A. Yanik   +12 more
wiley   +1 more source

Capacitive, Highly Selective Zeolite-Based Ammonia Sensor for Flue Gas Applications

Chemosensors, 2023
The selective detection of different gas components will remain of huge importance in the future, either in the ambient air or in flue gases, e.g., for controlling purposes of combustion processes.
Thomas Wöhrl, Jaroslaw Kita, Ralf Moos, Gunter Hagen   +3 more
doaj   +1 more source

Loading Effect of W-band Resonant Tunneling Diode Oscillator by Using Load-Pull Measurement [PDF]

, 2017
Resonant tunneling diode (RTD) is the fastest solid-state electronic device with the highest reported frequency at 1.92 THz [1]. RTD-based THz sources have many promising applications such as ultrafast wireless communications, THz imaging, etc.
Al-Khalidi, Abdullah, Cornescu, Andrei, Cumming, David, Khalid, Ata-ul-Habib, Morariu, Razvan, Wang, Jue, Wasige, Edward   +6 more
core  

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

Non-Injected broadband impedance estimation based on injected impedance measurement

International Journal of Electrical Power & Energy Systems
As power electronic devices become increasingly connected to power grids, power systems face issues, such as stability and harmonic resonance; broadband harmonic impedance is a key piece of information that helps analyze these issues. This study proposes
Ying Wang, Hao Chen, Liu Yang, Peng Zhang, Shunyi Li   +4 more
doaj   +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., Goh, C. S., Rahim, M. K. A.   +2 more
core   +1 more source