Results 11 to 20 of about 6,746,316 (343)
Data-Driven Time-Frequency Analysis [PDF]
Applied and Computational Harmonic Analysis, 2012 In this paper, we introduce a new adaptive data analysis method to study trend and instantaneous frequency of nonlinear and non-stationary data.
hou, Thomas Y., Shi, Zuoqiang
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, 2009 Cílem tohoto bakalářské práce je zjistit možnosti získání analýzy časové, frekvenční a jejich vzájemné kombinace, časově-frekvenční, různými metodami například Fourierovou transformací a Vlnkovou transformací.
Tráge, David
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F-Value Time-Frequency Analysis: Between-Within Variance Analysis [PDF]
Frontiers in Neuroscience, 2021 Studies on brain mechanisms enable us to treat various brain diseases and develop diverse technologies for daily life. Therefore, an analysis method of neural signals is critical, as it provides the basis for many brain studies.
Hong Gi Yeom, Hyundoo Jeong
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Sensors, 2021 The traditional signal of opportunity (SOP) positioning system is equipped with dedicated receivers for each type of signal to ensure continuous signal perception. However, it causes a low equipment resources utilization and energy waste. With increasing
Zhongliang Deng +3 more
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Dizhi lixue xuebao, 2021 At present, the mechanism of earthquake is still based on elastic rebound theory—Earthquake is caused by the release of elastic energy of rock strata due to fault dislocation.
MAO Xiaoping +6 more
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Frontiers in Neurology, 2021 Interictal spikes (IISs) may result from a disturbance of the intimate functional balance between various neuronal (synaptic and non-synaptic), vascular, and metabolic compartments.
Cristian Arnal-Real +4 more
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ANALYSIS OF TEMPORAL AND FREQUENCY CHARACTERISTICS OF SIMULTANEOUS GEODEFORMATION SIGNALS REGISTERED AT “KARYMSHINA” SITE [PDF]
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2019 Simultaneous geodeformational observations have been carried out from 2016 to the present time at “Karymshina” site on Kamchatka. A laser deformograph-interferometer and a three-component seismoacoustic receiver were installed to conduct these ...
M. A. Mishchenko +2 more
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Experimental Detection of Nonlinear Dynamics Using a Laser Profilometer
Applied Sciences, 2023 This paper investigates a cantilever beam nonlinear dynamic behaviour, on which the nonlinearity is introduced with permanent magnet interactions or with a non-holonomic contact.
Elvio Bonisoli +3 more
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Electronics Letters, 2023 Estimating instantaneous frequencies (IFs) overlapped in both time and frequency domains is an important issue in time‐frequency (TF) analysis. In this letter, the TF information of the signal in fractional domain is combined with an optimization ...
Liyun Xu, Wei Li
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Meikuang Anquan, 2020 In the test process of blasting signal, influenced by the test environment and the instrument, the signals detected near blasting area often contain the trend item interference, which cannot achieve the fine extraction of signal characteristics.
FU Xiaoqiang, CUI Xiuqin, YANG Liyun, LEI Zhen, CAI Xueji, LI Yang
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