Physical Layer Authenticated Image Encryption for IoT Network Based on Biometric Chaotic Signature for MPFrFT OFDM System. [PDF]
Sensors (Basel), 2023 Hagras EAA +3 more
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Motion Compensation Technique Based On Fractional Fourier Transform [PDF]
, 2014 Fractional Fourier transform(FrFT) is a kind of generalized Fourier transform, which processes signals in the unified time-frequency domain and the linear frequency modulation signal can be well focused after FrFT.
Gewei, Tan, Guangwu, Pan, Eei, Lin
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IEEE Journal of Indoor and Seamless Positioning and NavigationGlobal Navigation Satellite Systems (GNSSs) face increasing vulnerability to radio frequency interference, with chirp signals representing a particularly challenging threat due to their time-varying frequency characteristics that disrupt receivers across
Xavier Alvarez-Molina +2 more
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The Multi-stream OFDM technology based on FrFT Angle Division Multiple Access in IEEE802.11g WLAN
工程科学与技术, 2011 :In this paper, fractional Fourier transform (FrFT) angle was regarded as a kind of time-frequency combined resource, and a novel multi-stream orthogonal frequency division multiplexing (OFDM) technology based on FrFT angle division multiple access (ADMA)
Cun Hongqiang, Wang Huiqi, MA Hong
doaj
Optimized SAR imaging algorithm with SSL constraints for the Azimuth direction. [PDF]
Sci Rep, 2023 Wang Z, Cai M, Wang Q, Chen X.
europepmc +1 more source
Parameter Estimation of LFM Signals Based on PID-PSO-FRFT
Fractal and FractionalThe fractional Fourier transform (FRFT) serves as an effective tool for linear frequency modulated (LFM) signal parameter estimation, whose performance depends on the search efficiency for the optimal transform order.
Xuelian Liu +5 more
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Miniature Ultrasonic Spatial Localization Module in the Lightweight Interactive. [PDF]
Micromachines (Basel), 2023 Li L +5 more
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Tongxin xuebao, 2012 Aimed at the traditional OFDM communication system fails when the channel was frequency-selective,rapidly fading and had the Doppler effects,resulting in inter-carrier interference,a orthogonal multi-carrier system for underwater acoustic communication ...
Yi-lin WANG +4 more
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The spatial frequency domain designated watermarking framework uses linear blind source separation for intelligent visual signal processing. [PDF]
Front Neurorobot, 2022 Kumari R, Mustafi A.
europepmc +1 more source
Significance of Weighted-Type Fractional Fourier Transform in FIR Filters [PDF]
, 2014 The desired frequency response of a filter is periodic in frequency and can be expanded in Fourier series. One possible way of obtaining FIR filter is to truncate the infinite Fourier series.
Bobitha, P. (P) +3 more
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