Results 11 to 20 of about 1,223,178 (264)
Local polynomial method for frequency response function identification
Here we propose the local polynomial method to solve the problem of estimating the frequency response function in the linear system. Compared with other nonparametric identification methods based on the windowing strategies, this new identification ...
Dong Xiguang +2 more
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Effects of Internal Boundary Layers and Sensitivity on Frequency Response of Shells of Revolution
New applications introduced capsule designs with features that have not been fully analysed in the literature. In this study, thin shells of revolution are used to model drug delivery capsules both with closed and open designs including perforations. The
Harri Hakula
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Dynamic characteristics of monostable acoustic metamaterial absorber
Given at the problem of narrow low-frequency absorption bandwidth of monostable acoustic metamaterial absorber, the Lindstedt-Poincare method was applied to investigate the vibration response and frequency amplitude response characteristics of the ...
YANG Sen +3 more
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THE METOD OF SYNTHESIS OF QUASI-DUAL-BAND MATCHING DEVICE
The article presents some findings on the potential of analytical methods for the synthesis of broadband matching circuits for solving nontrivial circuit engeneering problems.
M. A. Yantsevich, H. A. Filipovich
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The initiating explosive shock environment of an aerospace mission has the characteristics of instantaneity, high amplitude and a wide frequency domain.
Xiong Wang +4 more
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A novel frequency response analysis model applicable to high-penetration wind power grid
The decoupling relationship and low inertia characteristics of wind turbine generator system (WTGS) make the system frequency response more complex. In order to evaluate the frequency stability of high-penetration wind power grid, it is significant to ...
Yi Hu +3 more
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Step response and frequency response methods
Abstract In this tutorial very simple methods will be presented by which models for dynamic processes can be obtained. These methods employ step responses of the process or responses to other nonperiodic testsignals or process responses to periodic signals.
openaire +1 more source
To accurately and efficiently determine the operating state of transformers, based on the driving point admittance method, a trapezoidal equivalent network model for dual-windings transformers was established.
Yi Liu, Xiaobo Pei
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Statistical analysis amplitude-frequency characteristics of power transformer windings in operation
In the work is given a statistical analysis of power transformer’s testing results obtained by using frequency response analysis method. The research has been done from the amplitude-frequency characteristics of low voltage windings for twelve ...
M. .. Ndayizeye +2 more
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Transfer Learning Based Method for Frequency Response Model Updating with Insufficient Data
Finite element model updating precision depends heavily on sufficient vibration feature extraction. However, adequate amount of sample collection is generally time-consuming in frequency response (FR) model updating. Accurate vibration feature extraction
Zhongmin Deng, Xinjie Zhang, Yanlin Zhao
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