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Yan Xu, Huiyue Yi, Wuxiong Zhang and Hui Xu
Estimating the frequencies of multiple superimposed exponentials in noise is an important problem due to its various applications in engineering. In order to obtain good inhibition of spectral leakage and improve the estimation accuracy, an improved Chir...
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Yulong Lu, Jialuo Tao, Chuanghua Cao, Hanlin Liu, Yang Liu and Zhengbin Ge
Leakage in the impervious layer of a domestic waste landfill seriously pollutes the soil and groundwater. Therefore, it is necessary to carry out rapid nondestructive leakage location detection. In this research, the electrical resistivity tomography (ER...
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Byoung-Seong Jeong
In this study, the optimal structure for obtaining high green color purity was investigated by modeling quantum dot (QD)?organic light-emitting diodes (OLED). It was found that even if the green quantum dot (G-QD) density in the G-QD layer was 30%, the f...
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Roman Varbanets, Oleksij Fomin, Václav Pí?tek, Valentyn Klymenko, Dmytro Minchev, Alexander Khrulev, Vitalii Zalozh and Pavel Kucera
The article presents the acoustic method of marine low-speed engine turbocharger parameter estimation under operating conditions when a prompt assessment of instantaneous turbocharger speed and rotor vibration level is required. The method lies in the an...
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Gun Park, Hyungchul Yoon and Ki-Nam Hong
When damaged by an earthquake, a general structure suffers only primary damage such as in the structure?s collapse, whereas a fluid storage structure can cause secondary damage such as environmental contamination or personal injury due to leakage of its ...
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Several window functions are currently applied to improve the performance of the discrete Fourier transform (DFT) harmonic detection method. These window functions exhibit poor accuracy in measuring the harmonic contents of a signal with high-order and w...
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Edward Canepa, Andrea Cattanei and Fabio Mazzocut Zecchin
The effect of rotational speed and pressure rise on the leakage flow noise radiated by a low-speed axial fan, provided with rotating shroud, has been systematically investigated. The flow in the gap region has been studied by means of particle image velo...
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