نتایج جستجو برای: generalized s transform

تعداد نتایج: 967670  

Journal: :international journal of mathematical modelling and computations 0
ahmed abouelaz radouan daher loualid el mehdi morocco

n this article, we prove an lp-lq-version of morgan’s theorem for the generalized bessel transform.

Journal: :Iet Generation Transmission & Distribution 2022

Concerning the distance protection steady-state over-reach or under-reach caused by transition resistance, a novel scheme based on transient information is proposed. First, multiple fault features are extracted using Generalized Stockwell Transform (GST), and criterion for identifying low-resistance high-resistance ground faults constructed. Then, GST coefficient matrix established single-ended...

Journal: :رادار 0
روح اله رمضانی مجید اخوت

s is a time-frequency transform based on the concept of short-time fourier transform and wavelet transform. the main property of this transform that separate it from the discrete short-time fourier transform is variable frequency resolution. but in this transform the change of resolution of high frequencies to low frequencies is very high. so another transform as a modified s transform is intro...

Journal: :Interexpo GEO-Siberia 2019

1999
Jian-Jiun Ding Soo-Chang Pei

The 2-D Fourier transform has been generalized into the 2-D separable fractional Fourier transform (replaces 1-D Fourier transform by 1-D fractional Fourier transform for each variable) and the 2-D separable canonical transform (further replaces the fractional Fourier transform by canonical transform) in [3]. It also has been generalized into the 2-D unseparable fractional Fourier transform wit...

Journal: :international journal of nonlinear analysis and applications 2015
mustapha boujeddaine said fahlaoui radouan daher

our aim in this paper is to prove an analog of younis's theorem on the image under the jacobi transform of a class functions satisfying a generalized dini-lipschitz condition in the space $mathrm{l}_{(alpha,beta)}^{p}(mathbb{r}^{+})$, $(1< pleq 2)$. it is a version of titchmarsh's theorem on the description of the image under the fourier transform of a class of functions satisfying the dini-lip...

Journal: :Pattern Recognition 1992
Suchendra M. Bhandarkar Minsoo Suk

-In this paper we show how the use of qualitative features can enhance the performance of recognition and localization techniques, in particular, the Generalized Hough Transform. Qualitative features (i.e. scene features with qualitative attributes assigned to them) are shown to be effective in pruning the search space of possible scene interpretations and also reducing the number of spurious i...

Journal: :Digital Signal Processing 2007
Robert Glenn Stockwell

The S-transform is a time-frequency representation known for its local spectral phase properties. A key feature of the S-transform is that it uniquely combines a frequency dependent resolution of the time-frequency space and absolutely referenced local phase information. This allows one to define the meaning of phase in a local spectrum setting, and results in many desirable characteristics. On...

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