[PDF] Top 20 El Taller de Prácticas del Lenguaje: una experiencia en proceso en la Facultad de Periodismo y Comunicación Social de la UNLP

... Simple time-domain analysis cannot fully reflect the characteristics of lung sound signals, so the need for lung sound signals spectral analysis, the Fourier transform is a kind of ... See full document

... the Short Time Fourier Transform (STFT) is ...Data AcQuisition (DAQ) card was used for evaluation of qualitative and quantitative changes in the ...Fast Fourier Transform ... See full document

... fast Fourier transform; EMD: empirical mode decomposition; SNR: signal-to-noise ratios; FT: Fourier transform; STFT: short-time Fourier transform; CRN: cognitive ... See full document

... Wavelet Transform and proposes two Hybrid thresholding methods which are formed by combining soft and Improved thresholding methods with Modified Improved thresholding ... See full document

... chirplet transform (ICT) for the time-frequency representation (TFR) and its inverse ICT for the signal ...a time fre- quency feature of a signal and reconstructing from ... See full document

... integral Fourier transform given by (32) and its inverse is (33), ...that Fourier transform rules which apply to Lebesgue-square integrable functions do also apply to tempered ... See full document

... The result of the short term sinusoidal modeling is closely related to the kind of the weighting window. In this work the Hann window is the most switable. How- ever, the use of the other types such as sigmoid, ... See full document

... Orthogonal frequency division multiplexing is the most popular modulation to overcome the effect of multipath and to obtain spectral efficient communication system. The main issue of OFDM is its high Peak to Average ... See full document

... integral transform is also known as the Gabor transform. This transform depends on ω as well as on t ...a Fourier transform, gives information on the frequencies of the periodic ... See full document

... over time. The classic technique for performing this task is the Short Time Fourier Transform, which is the Fourier Transform with a suitable chosen windowing ... See full document

... traditional short time fourier transform (STFT) system, the utilization of the multi-resolution property of the wavelet transform provides good time resolution at the higher ... See full document

... at time instance, but we can only know what frequency band that exists during time ...and time information of a signal at a certain point in the time - frequency plane cannot be ... See full document

... Fractional Fourier Transform is a generalized form of Fourier Transform, which can be interpreted as a rotation by angle α in time-frequency plane or decomposition of signals in terms ... See full document

... This paper shows that the STFT technique do have the potential to improve the performance of QRS peak detection. Further improvements can be possible by using STFT technique with different windows. In this work the ... See full document

... fractional Fourier order, and MGTBP estimates ...Gabor transform, the optimum fractional Fourier order is given by MACF ...Gabor transform, the optimum fractional Fourier order is given ... See full document

... study, short, moderate and prolonged recovery time are selected as K =1800, K=6000, and K=24000 ...into short-time segments and FFT is applied on each ...as Short-Time ... See full document

... The SVM algorithm gives an appropriate weight to each of the spectrum and calculates the score y which can be used for separating the given set. On the other hand, the visual observation only concentrates on the several ... See full document

... The Fourier transform of a function is implemented the Wolfram Language as FourierTransform[f, x, k], and different choices of and can be used by passing the optional FourierParameters-> a, b ... See full document

... IHS transform, the advantage of PCA method over IHS method is that an arbitrary number of bands can be ...PCA transform is employed to get the high resolution multispectral ... See full document

... While calculation of the Fourier transform or Discrete Fourier transform, the phenomenon of leakage and aliasing may play its role. Leakage occurs, when signal is extended periodically for ... See full document