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Frequency-Domain Bounds for Nonnegative, Unsharply Band-Limited Functions
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In this paper we give a further investigation of the method introduced by the author in [1, Frequency-domain bounds for nonnegative unsharply band-limited functions] for proving bounds for functions with nonnegative Fourier transforms.
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We present two-sided singular value estimates for a class of convolution-product operators related to time-frequency localization.
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This paper presents an expansion for radial tempered distributions on ${\bf R}^n$ in terms of smooth, radial analyzing and synthesizing functions with space-frequency localization properties similar to standard wavelets.
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The Balian-Low theorem (BLT) is a key result in time-frequency analysis, originally stated by Balian and, independently, by Low, as: If a Gabor system $\{e^{2\pi imbt} \, g(t-na)\}_{m,n \in \mbox{\bf Z}}$
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They are potential tools for the decomposition and handling of signals that, like speech or music, seem over short intervals to have well-defined frequencies that, however, change with time.
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We prove a trigonometric inequality of Ingham's type for nonharmonic Fourier series when the gap condition between frequencies does not hold any more.
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We provide an almost sure convergent expansion of fractional Brownian motion in wavelets which decorrelates the high frequencies.
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The MC1595 was utilized to compose a phase detector in which difference of phases varies with the change of frequencies.
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The model built in this way describes the stable point scattering mechanisms in a large spatial extent and can be extrapolated to other frequencies in the optical region.
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The syntonic frequency of the MOS RO changes in relation to many environmental elements, such as temperature, source voltage, and so on.
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The characteristic frequency of chaotic motion is thus extracted.
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Then, using the instantaneous frequency extraction principle of the Hilbert Transform, the rotor broken-bar fault characteristic frequency of 2sfs can be exactly extracted from the IMF component, which includes the rotor fault information.
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The experiment shows that the method can efficiently extract the frequency of a period-change radio frequency signal in a complex pulses environment and reveals a new feature for the signal sorting of interleaved radar pulse serial.
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The results showed the following: 1) occurrence frequency of P.
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The measure for uncertainty is a product of two factors evaluating the frequency selectivity in comparison with the ideal filter and the effective length of the filter in the digital domain, respectively.
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The frequency domain method and the multiplier technique are used.
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The frequency domain method and the multiplier technique are applied.
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In BMS, both the frequency and the severity components are considered.
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Results show that the apparent active energy E of the reaction is 105.51 kJ/mol, the frequency factor lnA is 3.602 and the reaction order n is 2.
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