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Related papers: The Practice of Pulse Processing

200 papers

The interaction of ultrafast lasers with plasmas has been studied for many years, primarily with respect to fundamental emission mechanisms. Only in recent years has ionizing radiation emerged as a safety concern in ultrafast laser-based…

Plasma Physics · Physics 2026-03-27 Simon Bohlen , Julian Holland , Rudolf Weber

The main task of an energy calibration is to find a relation between pulse-height values and the corresponding energies. Doing this for each pulse-height channel individually requires an elaborated input spectrum with an excellent counting…

Instrumentation and Detectors · Physics 2016-02-17 Daniel Maier , Olivier Limousin

The problem of estimating the delays and amplitudes of a positive stream of pulses appears in many applications, such as single-molecule microscopy. This paper suggests estimating the delays and amplitudes using a convex program, which is…

Information Theory · Computer Science 2017-01-11 Tamir Bendory

I review the basic observational properties of accreting millisecond pulsars that are important for understanding the physics involved in formation of their pulse profiles. I then discuss main effects responsible for shaping these profiles.…

Astrophysics · Physics 2008-11-27 Juri Poutanen

Context: In addition to coherent pulsation, many accreting neutron stars exhibit flaring activity and strong aperiodic variability on time scales comparable to or shorter than their pulsation period. Such a behavior shows that the accretion…

High Energy Astrophysical Phenomena · Physics 2015-05-28 D. Klochkov , R. Staubert , A. Santangelo , R. E. Rothschild , C. Ferrigno

The prospects for accomplishing x-ray polarization measurements of astronomical sources have grown in recent years, after a hiatus of more than 37 years. Unfortunately, accompanying this long hiatus has been some confusion over the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Ronald F. Elsner , Stephen L. O'Dell , Martin C. Weisskopf

The measurement of the spin frequency in accreting millisecond X-ray pulsars (AMXPs) is strongly affected by the presence of an unmodeled component in the pulse arrival times called 'timing noise'. We show that it is possible to attribute…

High Energy Astrophysical Phenomena · Physics 2011-02-11 Alessandro Patruno , Rudy Wijnands , Michiel van der Klis

For experiments with high arrival rates, reliable identification of nearly-coincident events can be crucial. For calorimetric measurements to directly measure the neutrino mass such as HOLMES, unidentified pulse pile-ups are expected to be…

Data Analysis, Statistics and Probability · Physics 2017-02-03 B. Alpert , E. Ferri , D. Bennett , M. Faverzani , J. Fowler , A. Giachero , J. Hays-Wehle , M. Maino , A. Nucciotti , A. Puiu , D. Swetz , J. Ullom

Accurate assessment of students' ability is the key task of a test. Assessments based on final responses are the standard. As the infrastructure advances, substantially more information is observed. One of such instances is the process data…

Applications · Statistics 2025-01-08 Susu Zhang , Zhi Wang , Jitong Qi , Jingchen Liu , Zhiliang Ying

Scattering of ultraintense short laser pulses off relativistic electrons allows one to generate a large number of X- or $\gamma$-ray photons with the expense of the spectral width---temporal pulsing of the laser inevitable leads to…

Plasma Physics · Physics 2019-05-29 Daniel Seipt , Vasily Yu. Kharin , Sergey G. Rykovanov

X-ray photoelectron spectroscopy (XPS) is a widely used technique for chemical analysis of solid surfaces, sensitive to the chemical environments of atoms via core-level binding energy shifts. While modern instruments allow experimental…

Materials Science · Physics 2026-05-12 Jan Čechal

X-ray emission spectroscopy is a well-established technique used to study continuum lowering in dense plasmas. It relies on accurate atomic physics models to robustly reproduce high-resolution emission spectra, and depends on our ability to…

Plasma Physics · Physics 2020-01-22 M. F. Kasim , J. S. Wark , S. M. Vinko

Cyclic spectroscopy is a signal processing technique that was originally developed for engineering applications and has recently been introduced into the field of pulsar astronomy. It is a powerful technique with many attractive features,…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Mark A. Walker , Paul B. Demorest , Willem van Straten

Aims: We investigate the X-ray spectral and timing properties of the accreting X-ray pulsar Her X-1 observed with the INTEGRAL satellite in July-August 2005. Methods: The data analyzed in this work cover a substantial part of one main-on…

The understanding of pulsar radio emission demands a close look at all regions of the huge parameter space present for pulsar observations. In this review we concentrate on the space given by the range of observed pulse periods, spanning…

Astrophysics · Physics 2007-05-23 M. Kramer

We present timing and spectral results of PSR B1937+21, the fastest known millisecond pulsar (P about 1.56 ms), observed with RXTE. The pulse profile, detected up to 20 keV, shows a double peak with the main component much stronger than the…

Astrophysics · Physics 2008-11-26 G. Cusumano , W. Hermsen , M. Kramer , L. Kuiper , O. Lohmer , E. Massaro , T. Mineo , L. Nicastro , B. W. Stappers

Proper quality control (QC) is time consuming when working with large-scale medical imaging datasets, yet necessary, as poor-quality data can lead to erroneous conclusions or poorly trained machine learning models. Most efforts to reduce…

Monitoring critical components of systems is a crucial step towards failure safety. Affordable sensors are available and the industry is in the process of introducing and extending monitoring solutions to improve product quality. Often, no…

Machine Learning · Computer Science 2021-09-09 Florian Holzinger , Michael Kommenda

In addition to coherent pulsation, many accreting neutron stars exhibit flaring activity and strong aperiodic variability on time scales similar to or shorter than their pulsation period. Such a behavior shows that the accretion flow in the…

High Energy Astrophysical Phenomena · Physics 2015-03-19 D. Klochkov , A. Santangelo , R. Staubert , R. E. Rothschild

The spectroscopic performance of x-ray instruments can be affected at high count rates. The effects and mitigation in the optical chain, such as x-ray attenuation filters or de-focusing mirrors, are widely discussed, but those in the signal…