Group-delay measurement of frequency-converting devices using a comb generator [PDF]
, 2010 We propose a new method for the measurement of (group) delay from the radio-frequency (RF) input to the intermediate-frequency (IF) output of a mixer or a receiver.
Scott, Jonathan B. +3 more
core +1 more source
Frequency Domain Response of Jacket Platforms under Random Wave Loads
Journal of Marine Science and Engineering, 2019 This article presents a procedure that simplifies an offshore jacket platform as a non-uniform cantilever beam subjected to an axial force. A Ritz method combined with a pseudo-excitation method is then used to analyze the responses of the jacket ...
Xiaoshuang Han, Weiliang Qiao, Bo Zhou
doaj +1 more source
Frequency regulation method assisted by energy storage based on frequency response characteristics
电力工程技术The increase of new energy permeability increases the complexity of power system frequency control. Frequency regulation assisted by energy storage can alleviate this problem to some extent. However, due to the security and economic constraints of energy
ZHAO Xilin, LI Pin, FU Bo
doaj +1 more source
Vibration Response of Soil under Low-Frequency Vibration Using the Discrete Element Method
Agriculture, 2023 The vibration response of soil is a key property in the field of agricultural soil tillage. Vibration components of tillage machinery are generally used to reduce tillage resistance and improve work efficiency, and the pressure variation under low ...
Lipengcheng Wan +6 more
doaj +1 more source
Energies, 2020 Doubly-fed induction generators (DFIGs) are capable of boosting frequency response capability while preventing the rotor speed from stalling during under-frequency disturbances, by employing variable droop characteristics. However, the frequency response
Dejian Yang +3 more
doaj +1 more source
Natural Scene Derived Camera Edge Spatial Frequency Response for Autonomous Vision Systems [PDF]
, 2021 The edge Spatial Frequency Response (eSFR) is an established measure for camera system quality performance, traditionally measured under laboratory conditions. With the increasing use of Deep Neural Networks (DNNs) in autonomous vision systems, the input
Triantaphillidou, S. +7 more
core +1 more source
Implementation of the SFRA method as valuable tool for detection of power transformer active part deformation [PDF]
Tehnika, 2014 The paper presents the SFRA (Sweep Frequency Response Analysis-SFRA) method for analyzing frequency response of transformer windings in order to identify potential defects in the geometry of the core and winding. The most frequent problems (recognized by
Milić Saša D., Ilić Denis M.
doaj +1 more source
A New Method for Measuring the Frequency Response of Broadband Optoelectronic Devices
IEEE Photonics Journal, 2012 A new and simple method based on the frequency-sweep method for measuring the frequency response of broadband optoelectronic devices is demonstrated.
Xuming Wu +5 more
doaj +1 more source
Modal Analysis and Optimization Method of Flexspline of Harmonic Reducer
Jixie chuandong, 2021 In response to the design requirements of miniaturization，lightweight and high resonance frequency of the flexspline，the inner diameter，aspect ratio，thickness-diameter ratio and tooth width coefficient of the flexspline are used as research variables ...
Yang Wang +3 more
doaj
Response scales as frames of reference: the impact of frequency range on diagnostic judgements [PDF]
, 1991 Schwarz N, Bless H, Bohner G, Harlacher U, Kellenbenz M. Response scales as frames of reference: the impact of frequency range on diagnostic judgements. Applied Cognitive Psychology.
Schwarz, Norbert +4 more
core +1 more source