Periodic Solution for Strongly Nonlinear Oscillators by He’s New Amplitude–Frequency Relationship
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Applied and Computational Mathematics"
DOI: 10.1007/s40819-017-0414-5
Abstract: This paper applies He’s new amplitude–frequency relationship recently established by He (Int J Appl Comput Math 3(2):1557–1560, 2017. doi:10.1007/s40819-016-0160-0) to study periodic solutions of strongly nonlinear systems with odd nonlinearities. Some examples are given to… read more here.
Keywords: strongly nonlinear; amplitude frequency; new amplitude; frequency relationship ... See more keywords
Light-Powered Self-Sustained Oscillators of Graphene Oxide/Liquid Crystalline Network Composites Showing Amplitude and Frequency Superposition.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c00680
Abstract: Light-activated self-oscillators have drawn enormous attention for their potential applications in mobile machines, energy harvesting, signal modulation, etc. Herein, we report one graphene oxide (GO)/liquid crystalline network (LCN) actuator that presents a unique light-activated oscillation… read more here.
Keywords: crystalline network; frequency superposition; oxide liquid; amplitude frequency ... See more keywords
Occurrence characteristics and amplitude-frequency relationship of the Pc5 ULF waves from 3 decades of GOES data
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-20474-z
Abstract: We investigate the occurrence characteristics and amplitude-frequency relationships of Pc5 ultra-low frequency (ULF) waves (1.67–6.7 mHz) using 30 years of GOES magnetic field data (1995–2025) from GOES-8 to GOES-18. An enhanced CLEAN algorithm, employing iterative… read more here.
Keywords: 12pt minimal; documentclass 12pt; minimal usepackage; amplitude frequency ... See more keywords
Amplitude and frequency encoding result in qualitatively distinct informational landscapes in cell signaling
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-92424-8
Abstract: Cells continuously sense their surroundings to detect modifications and generate responses. Very often changes in extracellular concentrations initiate signaling cascades that eventually result in changes in gene expression. Increasing stimulus strengths can be encoded in… read more here.
Keywords: result qualitatively; frequency encoding; amplitude frequency; encoding result ... See more keywords
Resonance and bifurcation of fractional quintic Mathieu-Duffing system.
Sign Up to like & getrecommendations! Published in 2023 at "Chaos"
DOI: 10.1063/5.0138864
Abstract: In this paper, the main subharmonic resonance of the Mathieu-Duffing system with a quintic oscillator under simple harmonic excitation, the route to chaos, and the bifurcation of the system under the influence of different parameters… read more here.
Keywords: system; excitation; mathieu duffing; amplitude frequency ... See more keywords
Effects of peristaltic amplitude and frequency on gastric emptying and mixing: a simulation study
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the Royal Society Interface"
DOI: 10.1098/rsif.2022.0780
Abstract: The amplitude and frequency of peristaltic contractions are two major parameters for assessing gastric motility. However, it is not fully understood how these parameters affect the important functions of the stomach, such as gastric mixing… read more here.
Keywords: frequency; frequency gastric; amplitude frequency; emptying rate ... See more keywords
Amplitude and Frequency Modulation of EEG Predicts Intraventricular Haemorrhage in Preterm Infants
Sign Up to like & getrecommendations! Published in 2024 at "Biocybernetics and Biomedical Engineering"
DOI: 10.1101/2024.03.15.24303868
Abstract: Background: Intraventricular hemorrhage (IVH) is a common and significant complication in premature infants. While cranial ultrasound is the golden standard for IVH detection, it may not identify lesions until hours or days after occurring, which… read more here.
Keywords: frequency modulation; preterm infants; amplitude frequency; eeg ... See more keywords
A Memristive Chaotic Oscillator With Increasing Amplitude and Frequency
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2017.2788408
Abstract: A chaotic oscillator utilizing a flux-controlled memristor to produce a signal that grows in amplitude and frequency over time is introduced in this paper. It was found that the initial condition can be used to… read more here.
Keywords: chaotic oscillator; amplitude frequency; memristive chaotic; oscillator increasing ... See more keywords
Analytical Mathematical Model of Piezoelectric 6-D Accelerometer About Amplitude–Frequency Characteristics
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3137543
Abstract: To realize the structural design optimization of the 6-D accelerometer based on the amplitude–frequency characteristics (AFCs), it is necessary to research the analytical mathematical modeling of the piezoelectric 6-D accelerometer about the AFC. The structural… read more here.
Keywords: analytical mathematical; mathematical model; accelerometer; piezoelectric accelerometer ... See more keywords
A Method for Estimating the Amplitude–Frequency Characteristics of the Cable Line Model With Distributed Parameters
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3205681
Abstract: The amplitude–frequency characteristics play an essential role in analyzing transmission power grids, such as harmonic amplification using the amplitude–frequency characteristics as the harmonic amplification factor, harmonic resonance, etc. However, when the cable line with distributed… read more here.
Keywords: amplitude frequency; frequency characteristics; model; cable line ... See more keywords
Stochastic Computing Using Amplitude and Frequency Encoding
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"
DOI: 10.1109/tvlsi.2022.3150569
Abstract: Stochastic computing (SC) is a type of logic computation based on stochastic bit stream instead of the binary numbers (BNs). It is pseudo-analog computation in the digital domain that can realize multiplication, addition, and complex… read more here.
Keywords: frequency encoding; using amplitude; amplitude frequency; stochastic computing ... See more keywords