English
Related papers

Related papers: DynPeak : An algorithm for pulse detection and fre…

200 papers

Laser Induced Incandescence (LII) is an experimental technique that has been extensively used for in-flame measurement of soot properties. The traditional laser used for LII has been Nd:YAG laser with 5-10 ns pulse durations. The present…

Optics · Physics 2017-09-07 Mario Ditaranto , Stine Hverven

A photonics-assisted microwave pulse detection and frequency measurement scheme is proposed. The unknown microwave pulse is converted to the optical domain and then injected into a fiber loop for pulse replication, which makes it easier to…

Applied Physics · Physics 2022-03-09 Pengcheng Zuo , Dong Ma , Qingbo Liu , Lizhong Jiang , Yang Chen

Pulsar timing is a powerful tool that, by accounting for every rotation of a pulsar, precisely measures the spin frequency, spin frequency derivatives, astrometric position, binary parameters when applicable, properties of the ISM, and…

High Energy Astrophysical Phenomena · Physics 2024-04-05 Jackson Taylor , Scott Ransom , Prajwal V. Padmanabh

Fluctuations in a vast range of physical systems can be described as a superposition of uncorrelated pulses with a fixed shape, a process commonly referred to as a (generalized) shot noise or a filtered Poisson process. In this…

Data Analysis, Statistics and Probability · Physics 2023-05-09 Sajidah Ahmed , Odd Erik Garcia , Audun Theodorsen

Aims: To provide a significantly improved probability distribution for the H-test for periodicity in X-ray and $\gamma$-ray arrival times, which is already extensively used by the $\gamma$-ray pulsar community. Also, to obtain an analytical…

High Energy Astrophysical Phenomena · Physics 2017-02-22 O. C. de Jager , I. Büsching

The publicly accessible dataset includes neutron and gamma-ray pulse signals for conducting pulse shape discrimination experiments. Several traditional and recently proposed pulse shape discrimination algorithms are utilized to evaluate the…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Kaimin Wang , Haoran Liu , Peng Li , Mingzhe Liu , Zhuo Zuo

In genomic applications, there is often interest in identifying genes whose time-course expression trajectories exhibit periodic oscillations with a period of approximately 24 hours. Such genes are usually referred to as circadian, and…

Methodology · Statistics 2024-02-28 Silvia Montagna , Irina Irincheeva , Surya T. Tokdar

Photoplethysmography (PPG) is one of the most widely captured biosignals for clinical prediction tasks, yet PPG-based algorithms are typically trained on small-scale datasets of uncertain quality, which hinders meaningful algorithm…

Machine Learning · Computer Science 2026-03-24 Mohammad Moulaeifard , Philip J. Aston , Peter H. Charlton , Nils Strodthoff

Detection of desaturations on the pulse oximetry signal is of great importance for the diagnosis of sleep apneas. Using the counting of desaturations, an index can be built to help in the diagnosis of severe cases of obstructive sleep…

Medical Physics · Physics 2014-06-02 Gastón Schlotthauer , Leandro E. Di Persia , Luis D. Larrateguy , Diego H. Milone

Pulmonary Hypertension (PH) is a severe disease characterized by an elevated pulmonary artery pressure. The gold standard for PH diagnosis is measurement of mean Pulmonary Artery Pressure (mPAP) during an invasive Right Heart…

Image and Video Processing · Electrical Eng. & Systems 2023-12-25 Michal K. Grzeszczyk , Tadeusz Satlawa , Angela Lungu , Andrew Swift , Andrew Narracott , Rod Hose , Tomasz Trzcinski , Arkadiusz Sitek

Sensory systems pass information about an animal's environment to higher nervous system units through sequences of action potentials. When these action potentials have essentially equivalent waveforms, all information is contained in the…

Other Quantitative Biology · Quantitative Biology 2007-05-23 Henry D. I. Abarbanel , Sachin Talathi

Cells continuously interact with their environment mediating their responses through signaling cascades. Very often, external stimuli induce pulsatile behaviors in intermediaries of the cascade of increasing frequency with the stimulus…

Cell Behavior · Quantitative Biology 2024-04-22 Alan Givré , Silvina Ponce Dawson

With periods much longer than the duration of current pulsar timing surveys, gravitational waves in the picohertz (pHz) regime are not detectable in the typical analysis framework for pulsar timing data. However, signatures of these…

High Energy Astrophysical Phenomena · Physics 2026-02-09 Qinyuan Zheng , Chiara M. F. Mingarelli , William DeRocco , Jonathan Nay , Kimberly K. Boddy , Jeff A. Dror

Blood-volume-pulse (BVP) is a biosignal commonly used in applications for non-invasive affect recognition and wearable technology. However, its predisposition to noise constitutes limitations for its application in real-life settings. This…

Signal Processing · Electrical Eng. & Systems 2023-04-28 Laurits Fromberg , Sneha Das , Line Katrine Harder Clemmensen

Nonlinear evolutions of an ultra-intense, short laser pulse due to the wake excitation inside the plasma are studied by means of detailed Particle-In-Cell (PIC) simulations and comprehensive analyses. Pulse lengths both longer and shorter…

Plasma Physics · Physics 2018-04-26 Jam Yazdanpanah , Elnaz Yazdani , Elnaz Khalilzadeh , Amir Chakhmachi

Pulsar timing is a valuable source of high-precision astrophysical measurements which can be used to probe gravitational physics, including by detecting gravitational waves. An important factor limiting the precision of these measurements…

High Energy Astrophysical Phenomena · Physics 2026-05-22 Ross J. Jennings , James M. Cordes , Shami Chatterjee , Maura A. McLaughlin

Fluctuations in heart rate are intimately tied to changes in the physiological state of the organism. We examine and exploit this relationship by classifying a human subject's wake/sleep status using his instantaneous heart rate (IHR)…

Applications · Statistics 2018-08-02 John Malik , Yu-Lun Lo , Hau-tieng Wu

We have constructed a new timescale, TT(IPTA16), based on observations of radio pulsars presented in the first data release from the International Pulsar Timing Array (IPTA). We used two analysis techniques with independent estimates of the…

Persistent homology (PH) is a recently developed theory in the field of algebraic topology to study shapes of datasets. It is an effective data analysis tool that is robust to noise and has been widely applied. We demonstrate a general…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Yu-Min Chung , Chuan-Shen Hu , Yu-Lun Lo , Hau-Tieng Wu

In this paper, we study the problem of identifying the impulse response of a linear time invariant (LTI) dynamical system from the knowledge of the input signal and a finite set of noisy output observations. We adopt an approach based on…

Systems and Control · Computer Science 2015-03-20 Francesco Dinuzzo