Frequency domain
Implementation of user element subroutines for frequency domain analysis of wave scattering problems with commercial finite element codes
... CHAPTER 3. THE PROBLEM OF SITE EFFECTS IN EARTHQUAKE ENGINEERING 30 versus truly local effects. In particular, we try to answer the question of how important are the regional effects in the local response a given site. ...
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Assessment of Time and Frequency Domain Entropies to Detect Sleep Apnoea in Heart Rate Variability Recordings from Men and Women
... Decision trees, SVM, and LR classifiers have been also used to model SAHS from HRV features. Eight features from wavelet analysis were used to build a decision tree, reaching 69.3% Acc [56]. A SVM model was obtained from ...
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EXTRACTION OF MODAL PARAMETERS OF RISERS IN DEEP WATER OFFSHORE PLATFORMS UTILIZING THE FOURIER SPECTRAL ANALYSIS AND THE FREQUENCY DOMAIN DECOMPOSITION METHODS
... Identified periods and mode shapes were also obtained applying the Frequency Domain Decomposition Method, FDD. Figure 6 shows the singular values of the acceleration response for soil 3 sea state 5 in plane ...
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Aumento de resolución de sensores en el dominio de la frecuencia construidos con nanomaterialesResolution improvement of frequency domain sensors modified with nanomaterials
... the frequency shift generated by the QCM when there is a mass loading on its ...the frequency shift was accomplished with the development of an experimental prototype that implements the principle of ...
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Mid Term frequency domain scheduler for resource allocation in wireless mobile communications systemsMid Term frequency domain scheduler for resource allocation in wireless mobile communications systems
... In this proposal, the secondary infers the primary’s behavior and nature of its environment. This knowledge keeps the secondary from generating excessive interference on the primary’s transmis- sions. Bai et al. [16] ...
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Face recognition and De-Identification in the frequency domain
... Future research work associated to foveation for preserving privacy and informa- tion in de-identified face images is that of incorporatig a formal privacy model to prevent attacks appli[r] ...
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Frequency-based optimization design for fractional delay FIR filters with software-defined radio applications
... of frequency domain design methods for FD filters with a wide bandwidth requires that an optimization method be applied over a large frequency ...a frequency design approach in order to reduce ...
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Large aperture antenna arrays with subband delay compensation for reception of wideband satellite signals
... a frequency domain beamformer that is composed of an analysis filter bank, a subband phase adjusting mechanism and a synthesis filter bank ...A frequency domain beamformer that only compensates ...
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Frequency UWB Channel
... in frequency is of great interest to analyze the performance of the MB-OFDM UWB system concerning to the channel estimation, channel equalization, adaptive coding, bit and symbol error ...in frequency of ...
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THE EFFECTS OF DIFFERENT CONCRETE CLASSES OF BARE FLOORS ON FLOOR COVERINGS EFFICIENCY
... The characterisation of impact sound insulation of a bare floor is done based on specific tests in accordance with what is established in the appropriate set of international standards. nevertheless, for identical bare ...
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Optimum integration procedures for supercontinuum simulation
... Abstract: We study numerical solutions of the generalized nonlinear Schro¨dinger equation (GNLSE), focusing on the advantage of integrating the nonlinear part of the equation in the frequency domain (FD), ...
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Functional connectivity in mild cognitive impairment during a memory task: implications for the disconnection hypothesis.
... Differences between studies could be due to the type of analysis performed in each study (frequency domain versus blood flow) [55] and the type of responses considered in each of them[r] ...
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Bag of features for imagined speech classification in electroencephalograms
... For signals classification, many characterization techniques have been used, the most commons are based on frequency domain transforms (FFT, DWT) and have obtained diverse results using different processing ...
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Speaker's Gender Detection from Glottal Biometry
... time domain methods are oriented to the estimation of OC, SC, ClQ, RQ and NAQ (Open, Speed, Closing, Return and Normalized Amplitude ...The frequency domain (GSPSD) is oriented to the estimation of H ...
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From irradiance to output power fluctuations: the pv plant as a low pass filter
... Each PV plant was modeled as a first order filter function based on an analysis in the frequency domain of the irradiance data and the output power signáis.. An empiric expression which[r] ...
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Analysis of energy and major components in chromatographic signals for the diagnosis of prostate cancer
... low frequency noise, and alignment of peaks [16] - ...and frequency domain, to form characteristic vectors for each signal, which are used to classify the signals with principal component ...
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Terms of trade cycles in extreme land abundant countries, 1870 2009 Spectral analysis
... the frequency domain approach (the shape of the power density spectrum function) provides an indication of whether the weight of the volatility of TOT is related to structural (medium and low ...
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Analysis of Bender Element signals during triaxial testing
... time domain methods (peak-to-peak travel time and cross-correlation) and a frequency domain approach (phase-delay) are presented and fully discussed to show that the error in determining propagation ...
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Dynamic stiffness analysis of bridge abutments
... This work proposes two and three dimensional boundary element models in the frequency domain and studies the dimensionless dynamic stiffness of standard bridge abutments.. Introduction.[r] ...
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