Results 31 to 40 of about 752 (176)
Fractional fourier transform in time series prediction [PDF]
, 2022 Several signal processing tools are integrated into machine learning models for performance and computational cost improvements. Fourier transform (FT) and its variants, which are powerful tools for spectral analysis, are employed in the prediction of ...
Koç, Emirhan, Koç, Aykut
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Parameter Estimation of Chirp for Underwater Acoustic Channel
MATEC Web of Conferences, 2018 To overcome the performance degradation of conventional Chirp parameters estimation methods in underwater acoustic multipath channels, a novel parameters estimation method based on Fractional Fourier transform (FRFT) and Fourier transform (FFT) was ...
Junhui FAN, Hua PENG, Chi WEI
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Variance-Gamma (VG) model: Fractional Fourier Transform (FRFT)
, 2022 7 pages, 9 figures.
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SAR Traffic Monitoring Using Time-Frequency Analysis for Detection and Parameter Estimation [PDF]
, 2008 In recent years many powerful techniques and algorithms for joint time-frequency analysis have been developed and successfully applied to ISAR imaging and SAR ground moving target indication (GMTI).
Stefan V. Baumgartner +3 more
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Fractional fourier transform meets transformer encoder [PDF]
, 2022 Utilizing signal processing tools in deep learning models has been drawing increasing attention. Fourier transform (FT), one of the most popular signal processing tools, is employed in many deep learning models.
Koç, Aykut, Şahinuç, Furkan
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Sampling expansion for irregularly sampled signals in fractional Fourier transform domain [PDF]
, 2014 Real-world signals are often not band-limited, and in many cases of practical interest sampling points are not always measured regularly. The purpose of this paper is to propose an irregular sampling theorem for the fractional Fourier transform (FRFT ...
Xiang, Wei +4 more
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Smart noise jamming suppression method based on fast fractional filtering
The Journal of Engineering, 2019 Smart noise jamming based on digital radio frequency memory (DRFM) has both oppressive jamming effect and deceptive jamming effect, and it is difficult to be effectively suppressed by traditional anti-jamming methods.
Bowen Han +3 more
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Fractal and Fractional, 2023 To address the performance degradation of the conventional linear frequency modulation signal ranging method in the presence of impulse noise, this paper proposes a novel technique that integrates a sliding-window tracking differentiator (TD) with the ...
Bo Xiao +4 more
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Remote Sensing, 2019 High-frequency surface wave radar (HF SWR) plays an important role in marine stereoscopic monitoring system. Nevertheless, the congestion of external radio frequency interference (RFI) in HF band degrades its performance seriously.
Qing Zhou +5 more
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A convolution and product theorem for the fractional Fourier transform [PDF]
, 1998 The fractional Fourier transform (FRFT), which is a generalization of the Fourier transform, has many applications in several areas, including signal processing and optics, In two recent papers, Almeida and Mendlovic et al, derived fractional Fourier ...
Zayed, Ahmed I.
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