Results 61 to 70 of about 19,549,251 (206)
Extraction of intrinsic frequency response of p-i-n photodiodes
, 2005 This letter presents a new method for extracting the intrinsic frequency response of a p-i-n photodiode (PD) from the measured frequency response of the PD at different bias voltages.
Zhu NH +3 more
core
IEEE Photonics Journal, 2017 A high-resolution electrical method is proposed for magnitude-frequency response measurement of optical filters based on fixed-low-frequency heterodyne detection.
Xinhai Zou +7 more
doaj +1 more source
Science Progress, 2020 This article proposes frequency response function approximation method to identify mechanical parameters of fiber-reinforced composites. First, a fiber-reinforced composite thin plate is taken as a research object, and its natural characteristic and ...
Hui Li +4 more
doaj +1 more source
Compact Method to Calibrate Frequency Response of Ultrasonic Transducer
, 2010 Frequency response character of ultrasonic transducer often influences on the test signal partly, and then test errors arise. To the problem, a compact method is proposed to calibrate the frequency response in this paper. The experiment data was obtained
Min Zhao +4 more
core +1 more source
MathematicsFor topology optimization problems under harmonic excitation in a frequency band, a large number of displacement and adjoint displacement vectors for different frequencies need to be computed.
Yongxin Qu, Yonghui Zhou, Yunfeng Luo
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Research of Torsional Vibration Frequency Response Test Technology of RV Reducer
Jixie chuandong, 2020 The torsional vibration frequency response test method of RV reducer under torque excitation is introduced. RV reducer is a closed two-stage drive system， the first stage involute gear drive （input shaft） and the second stage cycloid-pin gear drive ...
Jing Tan +5 more
doaj
A new approach to understanding the frequency response of mineral oil [PDF]
, 2014 Dielectric spectroscopy is non-invasive diagnostic method and can give information about dipole relaxation, electrical conduction and structure of molecules.
Hao, Miao +9 more
core +1 more source
Leak detection using instantaneous frequency analysis [PDF]
, 2012 Leaking pipes are a primary concern for water utilities around the globe as they compose a major portion of losses. Contemporary interest surrounding leaks is well documented and there is a proliferation of leak detection techniques. Although the reasons
ghazali, mohd fairusham
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, 2001 Based on the Euler-Beam theory, the moving vehicle loads on bridges were identified from the response of bridges using the Time Domain MethQd (TDM) and Frequency-Time Domain Method (FTDM).
Chan, Tommy H.T., Yu, Ling, Law, S.S.
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Cejing jishuTo address the issues of low computational efficiency and non-uniqueness in iterative homogeneous inversion of swept-frequency dielectric logging, this paper aims to develop a fast homogeneous inversion method that balances speed and accuracy.
LUO Hu +5 more
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