time frequency structure analysis
A Receiver Structure for Frequency Flat Time Varying Rayleigh Channels and Performance Analysis
... receiver structure for frequency-flat time-vary- ing Rayleigh channels, consisting of a receiver front-end followed by a Maximum A-Posteriori (MAP) ...continuous time signal using filter banks ...
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Analysis of the CNV waveform in the time and frequency domains
... HARRIS (1978) found the ratio ENBW to 3dB bandwidth was a sensitive indicator of overall window performance with a value in the range 1.04 to 1.055 indicating good performance. He also concluded that maximum dynamic ...
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Power Quality Analysis Using Bilinear Time-Frequency Distributions
... Bilinear time-frequency distributions (TFDs) [7] have been intensively used to characterize and analyze non- stationary ...good time and frequency resolution and are successfully applied to ...
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FEA and Spectral Analysis for Viscoelastic Structures in Frequency and Time Domain
... Fig. 10(a) compares the displacement of response (solid line) with the impact loading (dash line). The impulse loading is multiplied with a scale 0.002 to have same magnitude as response in the plot. Because of the ...
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Time frequency analysis of systems with changing dynamic properties
... each time instant. In the analysis of the behavior of real systems, physical properties are typically inferred from the building ...a structure with changes in stiffness from ...as ...
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High-Resolution Time-Frequency Methods' Performance Analysis
... of time-varying autoregressive moving-average models using a Fourier basis ...uses time delays and frequency shifts to model the nonstationary dynamics of a ...
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Time-frequency analysis based on wavelets for Hamiltonian systems
... ever, we lack of techniques for the detection of the global structure of the phase space in 3-dof. Although it is possible to construct a Poincar´e map in a 3-dof system, the dimension of the section is four, ...
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Radar Signal Intra Pulse Feature Extraction Based on Improved Wavelet Transform Algorithm
... linear frequency modulation (LFM) signal is one of the modern radar signals that are frequently used with a simple ...large time-bandwidth product by the linear frequency ...Typical ...
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Building Structures under Pressurization of High Energy Line Break – Linear Analysis
... a structure under an impulse ...fundamental frequency of a structural component often lowers the DLF thus reducing the applied maximum equivalent ...
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Time and frequency domain in the business cycle structure
... To remove the trend from the time series, various methods can be used. in the group of the detrending techniques, the method such as the first order differ- ences (FoD), the deterministic models (regression line, ...
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Influence of Different Boundary Conditions on Analysis of SSI
... the time domain than in the frequency domain, but also that the typical structural analyst is not accustomed to working in the frequency domain; its natural approach is to consider the sequence of ...
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Soil Water Forecasting System using Deep Neural Network Regression Model
... with time frequency analysis and convolutional neural network (CNN) based on ultra-wideband radar echoes, which do not need to build feature database in ...time_ frequency (TF) distribution ...
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Heuristic Analysis of Time Series Internal Structure
... Each element of initial time series can be represented as s i (t,θ), where θ is k-dimensional vector of real parameters. Assume that k< min(L,K). Clear those elements of the matrix X depend on the vector θ and ...
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Multivariate time-frequency analysis
... limited time-frequency reso- lution, while using the Hilbert transform requires a narrowband signal, a rather stringent ...synchrony analysis, by decomposing a signal into a set of narrowband AM/FM ...
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Spectral Analysis Informs the Proper Frequency in the Sampling of Financial Time Series Data
... Spectral analysis is widespread in well developed areas, such as biology, astrophysics, engineering, and ...proper frequency to be considered while sampling the time series ...spectral ...
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Characteristic frequencies of the human blood distribution system
... However, there are two major difficulties related to the frequency analysis of such signals: i time-variation of their characteristic frequencies, which demands an analysis in the time-f[r] ...
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Sparse Time-Frequency Data Analysis: A Multi-Scale Approach
... I need to express my deepest gratitude to my research adviser, Prof. Thomas Y. Hou, for his support, encouragement, and guidance throughout my Ph.D. re- search journey at Caltech. I have benefited greatly from his broad ...
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Time frequency analysis of electrical brain responses to nociceptive stimulation
... gamma frequency range (30-100 Hz) have been frequently observed [13] [14] ...a time-locked manner with respect to the stimulus but are not ...to time-frequency analysis and averaged ...
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A time-frequency analysis of sovereign debt contagion in europe
... The scenario is quite di¤erent when one looks at the relationship between the core countries and the peripheral countries. Greece is the most peculiar case. It is highly coherent at high frequencies until 2008. After ...
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On Inversion of Continuous Wavelet Transform
... This study deduces a general inversion of continuous wavelet transform (CWT) with timescale being real rather than positive. In conventional CWT inversion, wavelet’s dual is assumed to be a reconstruction wavelet or a ...
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