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The interplay between the beam delivery time structure and the patient motion makes 4D dose calculation (4DDC) important when treating moving tumors with intensity modulated proton therapy. 4DDC based on phase sorting of a 4DCT suffers from…

Medical Physics · Physics 2023-10-13 Ivar Bengtsson , Erik Engwall , Albin Fredriksson , Lars Glimelius

Given an $n\times r$ matrix $X$ of rank $r$, consider the problem of sampling $r$ integers $\mathtt{C}\subset \{1, \dots, n\}$ with probability proportional to the squared determinant of the rows of $X$ indexed by $\mathtt{C}$. The…

Quantum Physics · Physics 2025-03-24 Michaël Fanuel , Rémi Bardenet

This work presents a new frequency acquisition method using semi-rotational frequency detection (SRFD) algorithm for a reference-less clock and data recovery (CDR) in a serial-link receiver. The proposed SRFD algorithm classifies the…

Signal Processing · Electrical Eng. & Systems 2019-05-02 Soon-Won Kwon , Hanho Choi , Younho Jeon , Bongjin Kim , WooHyun Kwon , Homin Park , Kyeongha Kwon , Gain Kim , Hyeon-Min Bae

Using the waveforms from a digital electronic system, an offline analysis technique on pulse shape discrimination (PSD) has been developed to improve the neutron-gamma separation in a bar-shaped NE-213 scintillator that couples to a…

Gamma-ray Transient Monitor (GTM) is an all-sky monitor onboard the Distant Retrograde Orbit-A (DRO-A) satellite with the scientific objective of detecting gamma-ray transients ranging from 20 keV to 1 MeV. GTM is equipped with 5 Gamma-ray…

Time- and number-resolved photon detection is crucial for photonic quantum information processing. Existing photon-number-resolving (PNR) detectors usually have limited timing and dark-count performance or require complex fabrication and…

Instrumentation and Detectors · Physics 2020-06-23 Di Zhu , Marco Colangelo , Changchen Chen , Boris A. Korzh , Franco N. C. Wong , Matthew D. Shaw , Karl K. Berggren

The characterization of laboratory plasma instabilities, magnetic reconnection and turbulence associated phenomena, require the simultaneous signal sampling from arrays of magnetic sensors (hundreds or even thousands) to obtain spatial…

Instrumentation and Detectors · Physics 2018-06-22 Roberto Cavazzana , Marco Gottardo , Andrea Rigoni Garola

This study introduces a Block Phase Tracking Reference Signal (PTRS) allocation approach for Discrete Fourier Transform-spread-Orthogonal Frequency Division Multiplexing (DFT-s-OFDM) systems to enhance phase noise tracking and compensation.…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Mostafa Ibrahim , Sabit Ekin , Yingming , Tsai , Ravikumar Pragada

The measurement of the time of flight of the two 511 keV gammas recorded in coincidence in a PET scanner provides an effective way of reducing the random background and therefore increases the scanner sensitivity, provided that the…

Instrumentation and Detectors · Physics 2016-10-12 J. J Gomez-Cadenas , J. M. Benlloch-Rodríguez , P. Ferrario , F. Monrabal , J. Rodríguez , J. F. Toledo

An FPGA based digital signal processing (DSP) system for biasing and reading out multiplexed bolometric detectors for mm-wavelength telescopes is presented. This readout system is being deployed for balloon-borne and ground based cosmology…

Instrumentation and Detectors · Physics 2009-05-13 Matt Dobbs , Eric Bissonnette , Helmuth Spieler

Pulsar timing is used for a variety of applications including tests of fundamental physics, probing the structure of neutron stars, and detecting nanohertz gravitational waves. Development of robust methods and generation of high-quality…

This study shows an implementation of neutron-gamma pulse shape discrimination (PSD) using a two-dimensional convolutional neural network. The inputs to the network are snapshots of the unprocessed, digitized signals from a BC501A detector.…

Instrumentation and Detectors · Physics 2023-06-19 Annesha Karmakar , Anikesh Pal , G. Anil Kumar , Bhavika , V. Anand , Mohit Tyagi

Coincidence Doppler Broadening Spectroscopy (CDBS) of the 511 keV annihilation line reveals the elemental signature at the annihilation site in matter. For this reason, CDBS enables the analysis of foreign atoms in the host matrix,…

Instrumentation and Detectors · Physics 2023-03-02 Leon Chryssos , Christoph Hugenschmidt

Orthogonal time frequency and space (OTFS) modulation is a promising technology that satisfies high Doppler requirements for future mobile systems. OTFS modulation encodes information symbols and pilot symbols into the two-dimensional (2D)…

Information Theory · Computer Science 2021-01-22 Noriyuki Hashimoto , Noboru Osawa , Kosuke Yamazaki , Shinsuke Ibi

This paper describes a FADC Readout system developed for the tap water $\alpha/\beta$ dose monitoring system which is based on EJ444 phoswich scintillation detector and wavelength shifting fiber readout. The Readout system contains dual…

Instrumentation and Detectors · Physics 2020-10-28 Jingjun Wen , Daowei Dou , Jinfu Zhu , Zhi Zeng , Tao Xue , Jianmin Li , Junli Li , Yinong Liu

Multiplexing of radiation detectors reduces the number of readout channels, which in turn reduces the number of digitizer input channels for data acquisition. We recently demonstrated frequency domain multiplexing (FDM) of pulse mode…

Signal Processing · Electrical Eng. & Systems 2019-04-10 M. Mishra , J. Mattingly , R. M. Kolbas

We present in this work the calibration procedure and a performance study of long scintillator bars used for the time-of-flight (TOF) measurement in the HADES experiment. The digital front-end electronics installed at the TOF detector…

Instrumentation and Detectors · Physics 2021-03-15 G. Kornakov , L. Chlad , J. Friese , T. Galatyuk , A. Kugler , J. Markert , J. Michel , J. Pietraszko , O. Svoboda , P. Tlusty , M. Traxler

Introduction: Real-time dosimetry of surface doses in electron beams has not been widely established yet. Plastic scintillation detectors (PSD) promise high spatial resolution and real-time dosimetry with minimum perturbation of the…

Purpose: Ultra-fast scintillation imaging has been shown to provide a unique tool for spatio-temporal dosimetry of conventional cyclotron and synchrocyclotron pencil beam scanning (PBS) deliveries, indicating the potential use for…

General requirements for radar digital signal processing are ionospheric distortion and Doppler dispersion correction, which has historically required radar-specific hardware to implement in real time. Although analog solutions are…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Daniel J. Vickers , A. H. Mack , Idahosa A. Osaretin
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