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Joint communication and radar sensing (JCR) represents an emerging research field aiming to integrate the above two functionalities into a single system, sharing a majority of hardware and signal processing modules and, in a typical case,…

Signal Processing · Electrical Eng. & Systems 2021-12-15 J. Andrew Zhang , Fan Liu , Christos Masouros , Robert W. Heath , Zhiyong Feng , Le Zheng , Athina Petropulu

The J-PARC linac was consist of 324MHz low-{\beta} section and 972MHz high-{\beta} section. There is a total of 48 stations. And each station was equipped with an independent LLRF (Low-Level Radio Frequency) system to realize an…

Accelerator Physics · Physics 2018-03-28 S. Li , K. Futatsukawa , Y. Fukui , Z. Fang , S. Shinozaki , Y. Sato , S. Mizobata

Clock synchronization procedures are mandatory in most physical experiments where event fragments are readout by spatially dislocated sensors and must be glued together to reconstruct key parameters (e.g. energy, interaction vertex etc.) of…

We present a principal component analysis method which tracks and compensates for short-timescale variability in pulsar profiles, with a goal of improving pulsar timing precision. We couple this with a fast likelihood technique for…

Instrumentation and Methods for Astrophysics · Physics 2017-12-13 Hsiu-Hsien Lin , Kiyoshi Masui , Ue-Li Pen , Jeffrey B. Peterson

Vector clock algorithms are basic wait-free building blocks that facilitate causal ordering of events. As wait-free algorithms, they are guaranteed to complete their operations within a finite number of steps. Stabilizing algorithms allow…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-12-25 Iosif Salem , Elad Michael Schiller

Particle accelerators are complex facilities that produce large amounts of structured data and have clear optimization goals as well as precisely defined control requirements. As such they are naturally amenable to data-driven research…

Accelerator Physics · Physics 2023-03-01 Sichen Li , Andreas Adelmann

A prototype Liquid-argon Trigger Digitizer Board (LTDB), called the LTDB Demonstrator, has been developed to demonstrate the functions of the ATLAS Liquid Argon Calorimeter Phase-I trigger electronics upgrade. Forty Analog-to-Digital…

We have developed a new laser-based time calibration system for the MEG II timing counter dedicated to timing measurement of positrons. The detector requires precise timing alignment between $\sim\,$500 scintillation counters. In this…

Instrumentation and Detectors · Physics 2019-05-16 M. Nakao , G. Boca , P. W. Cattaneo , M. De Gerone , F. Gatti , M. Nishimura , W. Ootani , M. Rossella , Y. Uchiyama , M. Usami , K. Yoshida

Clock asynchronism is a critical issue in integrating radar sensing into communication networks. It can cause ranging ambiguity and prevent coherent processing of dis-continuous measurements in integration with asynchronous transceivers.…

Signal Processing · Electrical Eng. & Systems 2022-07-26 J. Andrew Zhang , Kai Wu , Xiaojing Huang , Y. Jay Guo , Daqing Zhang , Robert W. Heath

Real-time systems, particularly those used in domains like automated driving, are increasingly adopting neural networks. From this trend arises the need for high-performance hardware exhibiting predictable timing behavior. While…

Hardware Architecture · Computer Science 2026-02-26 Maximilian Kirschner , Konstantin Dudzik , Ben Krusekamp , Jürgen Becker

The timing system focuses on synchronizing and coordinating each subsystem according to the trigger signals. A new prototype timing slave node based on precision time protocol has been developed by using ARM STM32 platform. The proposed…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-10 Z. Zhang , B. Xiao , Z. Ji , Y. Wang , P. Wang

The ALICE experiment at CERN is preparing for a major upgrade for the third phase of data taking run (Run 3), when the high luminosity phase of the Large Hadron Collider (LHC) starts. The increase in the beam luminosity will result in high…

Instrumentation and Detectors · Physics 2019-02-20 Jubin Mitra , Erno David , Eduardo Mendez , Shuaib Ahmad Khan , Tivadar Kiss , Sophie Baron , Alex Kluge , Tapan Nayak

Detectors based on pixels with timing capabilities are gaining increasing importance in the last years. Next-to-come high-energy physics experiments at colliders requires the use of time information in tracking, due to the increasing levels…

Instrumentation and Detectors · Physics 2020-08-25 Adriano Lai , Gian Matteo Cossu

After years of development, the CMS distributed computing system is now in full operation. The LHC continues to set records for instantaneous luminosity, and CMS continues to record data at 300 Hz. Because of the intensity of the beams,…

Instrumentation and Detectors · Physics 2019-08-13 Kenneth Bloom

In the next decade, intensity frontier experiments will require tracking systems that are robust against high event and background rates while maintaining excellent tracking performance. We develop a first conceptual design of a tracking…

First observations for the Parkes Pulsar Timing Array project were carried out in February 2004. The project is ongoing and we currently observe approximately every three weeks. The data have led to numerous scientific results on topics as…

Instrumentation and Methods for Astrophysics · Physics 2012-10-04 G. Hobbs

High fidelity estimation algorithms for robotics require accurate data. However, timestamping of sensor data is a key issue that rarely receives the attention it deserves. Inaccurate timestamping can be compensated for in post-processing…

Robotics · Computer Science 2025-07-09 Morten Nissov , Nikhil Khedekar , Kostas Alexis

The following document provides a comprehensive look into the past, present, and future of Timing at Fermilab. By including historical context with technical implementation, this document seeks to help the reader gain a broader…

Accelerator Physics · Physics 2025-12-11 Evan Milton , Mark Austin , Dan McArthur

The JLC is a linear collider project pursued in Japan by researchers centered around KEK. The R&D status for the JLC project is presented, with emphasis on recent results from ATF concerning studies of production of ultra-low emittance…

Accelerator Physics · Physics 2007-05-23 N. Toge

The optical fibres that transmit the beam permit loop signals at the CERN accelerator complex are deployed along radiation areas. This may result in increased attenuation of the fibres, which reduces the power margin of the links. In…

Instrumentation and Detectors · Physics 2015-09-30 Carlos García-Argos , Reiner Denz , Stéphane Gabourin , Christophe Martin , Bruno Puccio , Andrzej P. Siemko