New Advances in Intelligent Signal Processing

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The special case here addressed is the CMS experiment. This document describes exercises focusing on the development of a fast pixel track reconstruction where the pixel track matches with a Level-1 electron object using a ROOT-based simulation framework.

Advances in Intelligent Signal Processing and Data Mining: Theory and Applications

Improvements in computing technologies and algorithms will be a key part of the advances necessary to meet this challenge. Parallel computing techniques, especially those using massively parallel computing MPC , promise to be a significant part of this effort. In these proceedings, we discuss these algorithms in the specific context of a particularly important problem: the reconstruction of charged particle tracks in the trigger algorithms in an experiment, in which high computing performance is critical for executing the track reconstruction in the available time. We discuss some areas where parallel computing has already shown benefits to the LHC experiments, and also demonstrate how a MPC-based trigger at the CMS experiment could not only improve performance, but also extend the reach of the CMS trigger system to capture events which are currently not practical to reconstruct at the trigger level.

The seminar presents an introduction to calorimetry in particle physics.

Initially the purpose of electromagnetic and hadronic calorimeters in particle physics is shown. Then the paper focusses on electromagnetic calorimeters and it describes the microscopic phenomena that drive the formation of electromagnetic showers. Homogeneous and sampling calorimeters are presented and the energy resolution of both is analyzed. A few examples of past and present electromagnetic calorimeters at particle colliders are presented, with particular attention to the ones employed in the Atlas and CMS experiments at the LHC, their design constraints, challenges and adopted choices.


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The evolution of the CMS and Atlas calorimeters is assessed and needed upgrades are presented. SKA is a new technology radio-telescope array, about two orders of magnitude more sensitive and rapid in sky surveys than present instruments. The timing of pulsars will trace the stretching of space, able to detect gravitational waves. Binary pulsars will help to test gravity in strong fields, and probe general relativity.

These exciting perspectives will become real beyond Cortina Gil and L. It integrates both radiation sensors and LSI circuits in one chip to achieve high resolution and intelligent detectors. After a short introduction about the advantages of monolithic active pixel sensors, the main characteristics of SOI monolithic sensors will be discussed: technological process, response to incident radiation and radiation hardness.

Special attention will be given to the description of the so-called "back-gate" effect and the different techniques developed to mitigate it. Finally, various applications of this technology will be presented. The Silicon Photomultiplier SiPM is a novel silicon-based photodetector, which represents the modern perspective of low photon flux detection. The aim of this paper is to provide an introduction on the statistical analysis methods needed to understand and estimate in quantitative way the correct features and description of the response of the SiPM to a coherent source of light.

This paper describes the historical evolution of silicon detectors from simple strip configurations to hybrid pixel detectors for high energy physics applications. This development has been critical to maintain the necessary physics performance in the high-rate and high-density environment of the LHC. The importance of pixel detectors and their evolution for future projects and other fields is also described. As we have seen for digital camera market and a sensor resolution increasing to "megapixels", all the scientific and high-tech imagers whatever the wave length - from radio to X-ray range tends also to always increases the pixels number.

So the constraints on front-end signals transmission increase too. An almost unavoidable solution to simplify integration of large arrays of pixels is front-end multiplexing. Moreover, "simple" and "efficient" techniques allow integration of read-out multiplexers in the focal plane itself. Indeed, this is exactly a planar technology which integrates both the sensors and a front-end multiplexed readout. In this context, front-end multiplexing techniques will be discussed for a better understanding of their advantages and their limits.

As a pathfinder experiment for this space-based mission, over the last 3 years the EUSO-Balloon project has been developed to observe the ultraviolet background from the edge of the atmosphere on board a stratospheric balloon. The PDM board interfaces with these ASIC boards, providing them with power and configuration parameters as well as collecting data from the external trigger. Compressed sensing theory is slowly making its way to solve more and more astronomical inverse problems. We address here the application of sparse representations, convex optimization and proximal theory to radio interferometric imaging.

Various tests have been conducted in Garsden et al. With the advent of large radiotelescopes, there is scope for improving classical imaging methods with convex optimization methods combined with sparse representations. We present an example of using CASPER tutorials for teaching purposes in Summer Schools and Workshops with participants from a variety of different academic backgrounds.

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Using the tutorials for laboratory exercises at the INFIERI Summer School , we showed that the flexible nature provided by these tutorials has the advantage of providing high quality laboratory exercises for participants independent of their prior knowledge. To increase the efficiency, one possibility is to use materials with higher Z e. GaAs, CZT , which have some drawbacks compared to silicon, such as short carrier lifetime or low mobility.


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Therefore, we investigate whether illuminating silicon edge-on instead of face-on is a solution. Aim of the project is to find and take advantage of the benefits of this new geometry when used for a pixel detector.

In particular, we employ a silicon hybrid pixel detector, which is read out by a chip from the Medipix family. Its capabilities to be energy selective will be a notable advantage in energy resolved spectral X-ray CT. Silicon Photomultipliers are a new class of light sensitive detectors with single photon sensitivity and unprecedented photon number resolving capability.

These properties open up the possibility to verify the statistics of the emitted light analysing the data collected by the sensor. In this paper, a procedure based on a Multi-Gaussian Fit of the spectrum and a model accounting for detector related effects is proposed and qualified using a LED illuminating a Silicon Photomultiplier. The combination of small diameter scintillating plastic fibres with arrays of SiPM photodetectors has led to a new class of SciFi trackers usable at high luminosity collider experiments.

After a short review of the main principles and history of the scintillating fibre technology, we describe the challenges and developments of the large area Scintillating Fibre Tracker currently under development for the upgraded LHCb experiment.

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High speed optical fiber or copper wire communication systems are frequently deployed for readout data links used in particle physics detectors. Future detector upgrades will need more bandwidth for data transfer, but routing requirements for new cables or optical fiber will be challenging due to space limitations.

Optical wireless communication OWC can provide high bandwidth connectivity with an advantage of reduced material budget and complexity of cable installation and management. Beferull-Lozano, J. Erdozain, P. Beferull-Lozano, R. Velisavljevic, B.

Beferull-Lozano, M. Tzagkarakis, B. Beferull-Lozano and P. Jovanovic, B. Barrenetxea, B. Beferull-Lozano and M. Ganesan, R. Cristescu and B. Cristescu, B. Vetterli and R. Beferull-Lozano and A. Beferull-Lozano carries out fundamental and applied research on these topics: a data science and machine learning, b in-network signal processing and collective intelligence, c artificial intelligence for next generation wireless networks. This research generates direct impact on multiple applications, such as optimization of oil and gas production platforms, optimization of drilling operations, water distribution networks, Aquaponics, cyber-physical systems for Industry 4.

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In addition, Prof. Mine studier. Finn flere studier. Epost er sendt. Tilbake til Mine studier. Baltasar Enrique Beferull Lozano. Kontor: C Jon Lilletuns vei 3, Grimstad. Forskning Prof. Prosjekter Prof. To provide advanced postgraduate education and training To perform an effective technology transfer of high quality to established, SME and start-up companies Prof.

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