Results 241 to 250 of about 507,617 (286)

Small Airway Dysfunction Assessed by Impulse Oscillometry in Children with Congenital Adrenal Hyperplasia: A Preliminary Case-Control Study. [PDF]

J Clin Med
Yılmaz E, Topal E, Dündar İ, Yamancan Yılmaz Z, Koker Ozer N, Kaya E, Çamtosun E.   +6 more
europepmc   +1 more source

Influence of Geometric and Material Uncertainties on the Behavior of Monostable and Bistable Electromagnetic Energy Harvesters. [PDF]

Sensors (Basel)
Sosna P, Hadaš Z.
europepmc   +1 more source

Measuring the vibrational response of a high performance gradient coil. [PDF]

Magn Reson Imaging
Kelley DAC.
europepmc   +1 more source

Medium-term pulmonary outcomes (<6 months) after pediatric COVID-19 infection evaluated using impulse oscillometry and spirometry. [PDF]

Pediatr Allergy Immunol
Atar Bese S, Mercan A, Koksal ZG, Kara SS, Ozcolpan G, Uysal P, Erge D.   +6 more
europepmc   +1 more source

Comparative Measurement Accuracy Analysis of an Optical Medium Voltage Transducer Pre- and Post-Lightning Impulse Testing. [PDF]

Sensors (Basel)
Fusiek G, Niewczas P.
europepmc   +1 more source

A Dual-Channel Strain Gauge Force Plate System with Hardware-Triggered Synchronization for Countermovement Jump Analysis. [PDF]

Sensors (Basel)
Chen Y, Liu G, Jia Y.
europepmc   +1 more source

Impulse Impedance Testing System Based on Machine Learning Methods

, 2018
openaire   +1 more source

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Impulse Impedance of Grounding Grids

IEEE Transactions on Power Apparatus and Systems / Technical Operations Committee, 1980
A method and an empirical formula to calculate the inductance of square grounding grids fed at either centre or one of the corners is presented. Empirical formulae for the effective area and impulse coefficient for centre fed and corner fel square grids are determinel.
B.R. Gupta, B. Thapar
exaly   +2 more sources

The Tapered Impedance Half-Impulse Radiating Antenna

IEEE Transactions on Antennas and Propagation, 2021
In this article, we introduce the tapered impedance half-impulse radiating antenna (TI-HIRA). This innovative version of the HIRA allows the direct connection of COTS, $50~\Omega $ generators to the antenna, without requiring external transformers and without using the large, blocking, plates that would be required in the traditional constant ...
Felix Vega, Fernando Albarracin-Vargas, Chaouki Kasmi   +2 more
exaly   +2 more sources

Discussion of Measurement Methods of Impulse Grounding Impedance

2018 34th International Conference on Lightning Protection (ICLP), 2018
The grounding device is very important for lightning protection. However, it is difficult to measure the impulse grounding impedance because the impulse generator is cumbersome and dangerous compared with the device for power frequency test. At the same time it is difficult to generate a lightning current with a suitable waveform due to the inductance ...
Jinjiang He, Zhizhong Li
exaly   +2 more sources