2020
DOI: 10.1109/tcsi.2019.2960686
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An Architecture for Real-Time Arbitrary and Variable Sampling Rate Conversion With Application to the Processing of Harmonic Signals

Abstract: The paper presents a new solution for sampling rate conversion and processing of harmonic signals with known but possibly varying fundamental frequency. This problem is commonly found in particle accelerators, for tracking the beam signals whose revolution frequency varies during the acceleration ramp. It is also common among many other fields such as speech and music processing, removal of mechanical noises, filtering of biomedical recordings, active crack imaging, etc. The key element in the proposed solutio… Show more

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Cited by 4 publications
(3 citation statements)
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References 33 publications
(41 reference statements)
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“…Recent research on low-latency and real-time resampling includes image resampling of microwave scans of the earth surface from a satellite [9], and a Farrow-based resampling method, implemented on a field programmable gate array (FPGA), for processing data from a particle accelerator [10]. A detailed design of a Farrow filter is described in [1].…”
Section: Recent Research In Low-latency and Real-time Applicationsmentioning
confidence: 99%
“…Recent research on low-latency and real-time resampling includes image resampling of microwave scans of the earth surface from a satellite [9], and a Farrow-based resampling method, implemented on a field programmable gate array (FPGA), for processing data from a particle accelerator [10]. A detailed design of a Farrow filter is described in [1].…”
Section: Recent Research In Low-latency and Real-time Applicationsmentioning
confidence: 99%
“…Due to the non-zero bunch length, these revolution frequency harmonics, nFrev (Eq. ( 1.1 )) are not all equal in amplitude, An and phase, φn (the envelope of the revolution frequency harmonics is the Fourier Transform (FT) of the longitudinal bunch profile [36]).…”
Section: Beam-cavity Interactionmentioning
confidence: 99%
“…The main technical contribution of this work is a new resampling architecture with a real-time variable and arbitrary resampling ratio [36]. The architecture is intended for implementation in an FPGA where the processing clock is preferably fixed, as presented in the previous point.…”
Section: Resampling Architecture With Arbitrary and Real-time Variabl...mentioning
confidence: 99%