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Recently, recycled field-programmable gate arrays (FPGAs) pose a significant hardware security problem due to the proliferation of the semiconductor supply chain. Ring oscillator (RO) based frequency analyzing technique is one of the…

Hardware Architecture · Computer Science 2023-03-06 Tanvir Ahmad Tarique , Foisal Ahmed , Maksim Jenihhin , Liakot Ali

This paper presents a novel frequency-domain approach for path following problem, specifically designed to handle paths described by discrete data. The proposed algorithm utilizes the fast Fourier Transform (FFT) to process the discrete…

Systems and Control · Electrical Eng. & Systems 2023-08-15 Zirui Chen , Zongyu Zuo

In this paper, the field programmable gate array (FPGA) implementation of a fetal heart rate (FHR) monitoring system is presented. The system comprises of a preprocessing unit to remove various types of noise, followed by a fetal…

Signal Processing · Electrical Eng. & Systems 2020-02-20 Bhavya Vasudeva , Puneesh Deora , Pyari Mohan Pradhan , Sudeb Dasgupta

We present an empirical investigation of software developed by the Science and Music Research Group at the University of Glasgow. Initially created for musicological applications, it is equally applicable in any area where precise time and…

Signal Processing · Electrical Eng. & Systems 2024-07-19 Keziah Milligan , Nicholas J. Bailey , Bernd Porr

Fourier-transform spectroscopy (FTS) has been widely used as a standard analytical technique over the past half-century. FTS is a simple and robust autocorrelation-based technique that is compatible with both temporally coherent and…

Instrumentation and Detectors · Physics 2018-11-21 Kazuki Hashimoto , Takuro Ideguchi

Frequency Response Functions (FRFs) are one of the cornerstones of musical acoustic experimental research. They describe the way in which musical instruments vibrate in a wide range of frequencies and are used to predict and understand the…

Sound · Computer Science 2021-03-30 R. Malvermi , S. Gonzalez , M. Quintavalla , F. Antonacci , A. Sarti , J. A. Torres , R. Corradi

This paper aims at presenting the basic functionality of a radar platform for real-time monitoring of displacement and vibration. The real time capabilities make the radar platform useful when live monitoring of targets is required. The…

Signal Processing · Electrical Eng. & Systems 2018-11-15 Mihai Tudose , Andrei Anghel , Remus Cacoveanu , Mihai Datcu

Virtual instrument generation requires maintaining consistent timbre across different pitches and velocities, a challenge that existing note-level models struggle to address. We present FlowSynth, which combines distributional flow matching…

Sound · Computer Science 2025-10-27 Qihui Yang , Randal Leistikow , Yongyi Zang

Synthesizing realistic piano hand motions requires both precision and naturalness. Physics-based methods achieve precision but produce stiff motions; data-driven models learn natural dynamics but struggle with positional accuracy. Piano…

Artificial Intelligence · Computer Science 2026-04-14 Joonhyung Bae , Kirak Kim , Hyeyoon Cho , Sein Lee , Yoon-Seok Choi , Hyeon Hur , Gyubin Lee , Akira Maezawa , Satoshi Obata , Jonghwa Park , Jaebum Park , Juhan Nam

A finite-energy signal is represented by a square-integrable, complex-valued function $t\mapsto s(t)$ of a real variable $t$, interpreted as time. Similarly, a noisy signal is represented by a random process. Time-frequency analysis, a…

Signal Processing · Electrical Eng. & Systems 2025-04-16 Barbara Pascal , Rémi Bardenet

This work proposes dedicated hardware for an intelligent control system on Field Programmable Gate Array (FPGA). The intelligent system is represented as Takagi-Sugeno Fuzzy-PI controller. The implementation uses a fully parallel strategy…

Signal Processing · Electrical Eng. & Systems 2020-04-06 Sérgio N. Silva , Felipe F. Lopes , Carlos Valderrama , Marcelo A. C. Fernandes

This paper introduces a novel method for emulating piano sounds. We propose to exploit the sines, transient, and noise decomposition to design a differentiable spectral modeling synthesizer replicating piano notes. Three sub-modules learn…

Sound · Computer Science 2025-02-04 Riccardo Simionato , Stefano Fasciani

The Fast Folding Algorithm (FFA) is a phase-coherent search technique for periodic signals. It has rarely been used in radio pulsar searches, having been historically supplanted by the less computationally expensive Fast Fourier Transform…

Instrumentation and Methods for Astrophysics · Physics 2020-08-12 V. Morello , E. D. Barr , B. W. Stappers , E. F. Keane , A. G. Lyne

The digital signal processing has greatly simplified the process of phase noise measurements, especially in oscillators, but its applications are largely confined to the frequencies below 400 MHz. We propose a novel transpose frequency…

Instrumentation and Detectors · Physics 2012-11-30 John G. Hartnett , Travis Povey , Stephen Parker , Eugene Ivanov

Detecting fast-moving objects, such as unmanned aerial vehicle (UAV), from event camera data is challenging due to the sparse, asynchronous nature of the input. Traditional Discrete Fourier Transforms (DFT) are effective at identifying…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Michael Bezick , Majid Sahin

This paper proposes a multivariable extremum seeking scheme using Fast Fourier Transform (FFT) for a network of subsystems working towards optimizing the sum of their local objectives, where the overall objective is the only available…

Optimization and Control · Mathematics 2021-05-11 Dinesh Krishnamoorthy

Spectra derived from fast Fourier transform (FFT) analysis of time-domain data intrinsically contain statistical fluctuations whose distribution depends on the number of accumulated spectra contributing to a measurement. The tail of this…

Solar and Stellar Astrophysics · Physics 2015-06-19 Gelu M. Nita , Gregory D. Fleishman , Dale E. Gary , William Marin , Kristine Boone

The Fractional Fourier Transform (FRT) corresponds to an arbitrary-angle rotation in the phase space, e.g. the time-frequency (TF) space, and generalizes the fundamentally important Fourier Transform. FRT applications range from classical…

Optics · Physics 2024-03-06 Michał Lipka , Michał Parniak

We designed and implemented a deep learning based RF signal classifier on the Field Programmable Gate Array (FPGA) of an embedded software-defined radio platform, DeepRadio, that classifies the signals received through the RF front end to…

Networking and Internet Architecture · Computer Science 2019-10-15 Sohraab Soltani , Yalin E. Sagduyu , Raqibul Hasan , Kemal Davaslioglu , Hongmei Deng , Tugba Erpek

Various pulse shape discrimination methods have been used to solve the neutron-gamma discrimination problem. But most of them are limited to off-line calculation due to the computation amount and FPGA performance. In order to realize real…

Instrumentation and Detectors · Physics 2022-01-26 Haoqi Ye , Ge Jin , Lian Chen