Results 41 to 50 of about 311,651 (309)
Acoustic frequency splitting in thermoacoustically driven coupled oscillators [PDF]
The Journal of the Acoustical Society of America, 2017 Frequency splitting, or level repulsion, occurs near the point where two resonant modes of coupled oscillators intersect as one parameter is varied such that the resonance of one passes through the resonance of the other. A thermacoustic stack, which provides internal self-sustained oscillations, placed inside the neck of a closed bottle-shaped ...
Bonnie Andersen +4 more
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IEEE Access, 2020 In this paper, a power-split strategy based on a real-time average power method is developed for improving power output of battery and mode switching frequency of a multi-mode hybrid energy storage system (HESS) in electric vehicles.
Bin Wang, Qiao Hu, Zhiyu Wang
doaj +1 more source
Micromachines, 2018 In order to eliminate the frequency mismatch of MEMS (Microelectromechanical Systems) gyroscopes, this paper proposes a frequency tuning technology based on a quadrature modulation signal.
Jia Jia +3 more
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Split striplines with adjustable parameters and devices based on them [PDF]
ITM Web of Conferences, 2019 The split strip lines (SSL) with adjustable parameters and examples of devices based on them are examined. Changing the parameters of the split strip lines are carried out with the help of so-called controlling strips, coupled with parts of the split ...
Malyutin Nickolay +3 more
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Trimming of Imperfect Cylindrical Fused Silica Resonators by Chemical Etching
Sensors, 2019 The cylindrical resonator gyroscope (CRG) is a kind of solid-state gyroscope with a wide application market. The cylindrical resonator is the key component of CRG, whose quality factor and symmetry will directly affect the performance of the gyroscope ...
Yunfeng Tao +5 more
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Stability Boundary and Enhanced Solution of Dual-Mode Based Micro Gyroscope Mode Matching Technology
Micromachines, 2022 During in-run mode matching under a dual-mode gyro scheme, the stability of the closed-loop control system has a boundary. This phenomenon will lead to the failure of the in-run frequency split calibration scheme when the initial mode mismatch is too ...
Changda Xing +4 more
doaj +1 more source
Frequency Compensation of High-Speed, Low-Voltage CMOS Multistage Amplifiers
, 2013 Aamir SA, Harikumar P, Wikner JJ. Frequency Compensation of High-Speed, Low-Voltage CMOS Multistage Amplifiers. In: 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013).
Syed Ahmed Aamir +8 more
core +1 more source
Solar activity and oscillation frequency splittings
The Astrophysical Journal, 1993 Solar p-mode frequency splittings, parameterized by the coefficients through order N = 12 of a Legendre polynomial expansion of the mode frequencies as a function of m/L, were obtained from an analysis of helioseismology data taken at Big Bear Solar Observatory during the 4 years 1986 and 1988-1990 (approximately solar minimum to maximum). Inversion of
M. F. Woodard, K. G. Libbrecht
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Multiple frequency bands of square split resonant rings and metal wire metamaterial
, 2013 This work presents experimental measurements of two square split resonant ring and metal wire (SSRR-MW) samples with different cell sizes at microwave frequencies.
Ai, Jingjing +4 more
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele +19 more
wiley +1 more source