HEAVY
发表于 2025-3-25 05:55:31
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BROW
发表于 2025-3-25 10:50:37
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Oscillate
发表于 2025-3-25 13:36:04
Do Bounded Signals Have Bounded Amplitudes?,e many methods available for determining the AM and FM of a signal, some yield an unbounded AM for some magnitude-bounded signals (including the analytic signal method). The consequences of requiring a bounded AM given a bounded signal on the method used to determine the AM and FM are examined.
NAG
发表于 2025-3-25 16:26:59
A Time-Recursive Algorithm for the Computation of Auto-Ambiguity Function and the Wigner Distributi used to compute the Wigner time-frequency distribution. We use the Richman-Parks-Shenoy’s definition of the discrete-time, discrete-frequency, auto-ambiguity function for finite data sequences. Block diagram implementation of the time-recursive algorithm is described, computational complexity with
Overthrow
发表于 2025-3-25 22:22:51
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Ancestor
发表于 2025-3-26 01:31:07
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很是迷惑
发表于 2025-3-26 06:28:11
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搏斗
发表于 2025-3-26 08:37:12
Evolutionary Maximum Entropy Spectral Estimation and Heart Rate Variability Analysis,atus of the autonomic nervous system. Although most of the HRV studies assume stationarity, the statistics of HRV signals change with time due to transients caused by physiological phenomena. Therefore, the use of time-frequency analysis to estimate the time-dependent spectrum of these non-stationar
HARP
发表于 2025-3-26 12:58:38
Optimal Reconstruction of Natural Images by Small Sets of Gabor Filters,optimal reconstruction are examined. At first, the search is performed on a 1-D signal which satisfies the radial spectrum of the average of natural images. Later, these results are extended and applied to a 2-D example. It is shown that the resulting parameters are better than those of some existin
molest
发表于 2025-3-26 17:20:50
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