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frequency domain data analysis

Development of a Free Space, LED Illuminated Spectral domain Optical Coherence Tomography Setup

Development of a Free Space, LED Illuminated Spectral domain Optical Coherence Tomography Setup

... spectral domain optical coherence tomography has been demonstrated using an 8 mW ultra-bright 850 nm light-emitting diode with a 40 nm spectral ...mathematical analysis of light interference by ...

6

On the orthogonalised reverse path method for nonlinear system identification

On the orthogonalised reverse path method for nonlinear system identification

... for analysis. The method is a frequency domain one because the data considered during the identification process take the form of FRFs or spectra; the method offers easy computation and has an ...

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Design and Performance Analysis of FFT in OFDM applications using VHDL

Design and Performance Analysis of FFT in OFDM applications using VHDL

... input data. An inverse Fast Fourier transform (IFFT) converts the frequency domain data set into samples of the corresponding time domain representation of this ...with frequency ...

7

SinusCor: an advanced tool for heart rate variability analysis

SinusCor: an advanced tool for heart rate variability analysis

... HRV analysis that includes the classical time- and frequency domain indices and also techniques for non-stationary data ...HRV data of a young ...

15

Frequency-domain analysis for nonlinear systems with time-domain model parameter uncertainty

Frequency-domain analysis for nonlinear systems with time-domain model parameter uncertainty

... the frequency domain uncertainty of a class of soft-smart actuator known as a dielectric elastomer actuator (DEA), a type of electroactive polymer used in robotics that is known to display nonlinear ...

12

Forecasting The South African Business Cycle Using Fourier Analysis

Forecasting The South African Business Cycle Using Fourier Analysis

... represent data series from both the time and frequency perspectives simultaneously (Scargle, ...different frequency components and the study of these dynamic components separately (Daubechies, ...

18

Output-only Modal Analysis of a Beam Via Frequency Domain Decomposition Method Using Noisy Data

Output-only Modal Analysis of a Beam Via Frequency Domain Decomposition Method Using Noisy Data

... Transient Analysis To obtain the modal parameters corresponding to the first to fifth modes of this beam using FDD method, the frequency content of the applied load should include all frequencies of these ...

9

The analysis of nonlinear systems in the frequency domain using Nonlinear Output Frequency Response Functions

The analysis of nonlinear systems in the frequency domain using Nonlinear Output Frequency Response Functions

... Output Frequency Response Functions (Lang and Billings, 2005) - NOFRFs - is a new extension of the FRF to the nonlinear ...response data from several simulation or experimental tests, which may not be ...

7

The Embedded System Integrated ECG Monitoring and Low Energy Led Light Stimulation

The Embedded System Integrated ECG Monitoring and Low Energy Led Light Stimulation

... digital data. The microprocessor calculated time-domain and frequency-domain data of heart rate variability (HRV), and analyzed the time-domain data, and power spectral ...

6

Listen to genes : dealing with microarray data in the frequency domain

Listen to genes : dealing with microarray data in the frequency domain

... raw data to gene network ...the data dimension by applying simple but powerful frequency based ...purely data driven natural ranking of genes based on their power spectrum ...the ...

11

A review of developments of EEG based automatic medical support systems for epilepsy diagnosis and seizure detection

A review of developments of EEG based automatic medical support systems for epilepsy diagnosis and seizure detection

... Frequency domain analysis is based on Fourier trans- form which decomposes EEG signals into different fre- quency ...EEG data and normal EEG data in frequency domain ...

9

Frequency domain fatigue analysis of dynamically sensitive structures

Frequency domain fatigue analysis of dynamically sensitive structures

... signal. Analysis of WEG, HWP data and simulation suggests kurtosis as the best description of the degree of the departure from Gaussian ...the data rather than predetermined by the ...

247

Analysis of Spatial domain and Frequency domain Techniques for Car plate detection

Analysis of Spatial domain and Frequency domain Techniques for Car plate detection

... Oriented filters are used in many vision and image processing tasks, such as texture analysis, edge detection, image data compression, and motion analysis and image enhancement. In many of these ...

11

Multivariate analysis of long memory series in the frequency domain

Multivariate analysis of long memory series in the frequency domain

... are data for four exchange rates: BP/$, $/DM, $/JYn and ...monthly data cover the period from January 1974 to June 1985. For weekly data the sample sizes are 600 while for monthly is just ...weekly ...

184

Steganographic Techniques of Data Hiding using Digital Images

Steganographic Techniques of Data Hiding using Digital Images

... Spatial domain, cover-image is first decomposed into bits planes and then least significant bit (LSB) of the bits planes are replaced with the secret data ...methods. Frequency domain ...

6

THE MARKETING-ENTREPRENEURSHIP PARADOX: A FREQUENCY-DOMAIN ANALYSIS

THE MARKETING-ENTREPRENEURSHIP PARADOX: A FREQUENCY-DOMAIN ANALYSIS

... the frequency domain (Gradojevic & Lento, 2015; Gradojevic & Dobardzic, 2013) supported by the case study, we design our proposed research framework and draw our conclusions from the data, as ...

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COMPARATIVE ANALYSIS OF TIME DOMAIN AND FREQUENCY DOMAIN BLIND AUDIO SOURCE SEPARATION TECHNIQUES

COMPARATIVE ANALYSIS OF TIME DOMAIN AND FREQUENCY DOMAIN BLIND AUDIO SOURCE SEPARATION TECHNIQUES

... or data vectors and the convolutive process is simply transformed into a matrix multiplication ...signal data captured by microphones and treated as observation ...time domain ICA decomposition is to ...

8

Greece withdraws from Euro and runs on Bitcoin; April Fools Prank or Serious Possibility?

Greece withdraws from Euro and runs on Bitcoin; April Fools Prank or Serious Possibility?

... phenomenon analysis and the determination of the contribution of a variable to change of other series depending on frequency-to-frequency ...our analysis, we formulate two hypotheses to be ...

24

Diagnosis of airgap eccentricity fault in the inverter driven induction motor drives by transformative techniques

Diagnosis of airgap eccentricity fault in the inverter driven induction motor drives by transformative techniques

... In this present paper, the airgap eccentricity fault of the squirrel cage induction motor has been diagnosed in the transient condition with proposed dynamic simulation model. The wavelet transform’s low frequency ...

5

Unique solvability and stability of the time domain electromagnetic scattering problem with a locally perturbed perfectly conducting plate

Unique solvability and stability of the time domain electromagnetic scattering problem with a locally perturbed perfectly conducting plate

... mathematical analysis and are closely associated with application areas such as medical imaging, nondestructive test- ing, and geophysical ...time domain problems since both the equations involve a time ...

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