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pro vyhledávání: '"Dimoudi, A."'
The Fourier Domain Acceleration Search (FDAS) is an effective technique for detecting faint binary pulsars in large radio astronomy datasets. This paper quantifies the sensitivity impact of reducing numerical precision in the GPU accelerated FDAS pip
Externí odkaz:
http://arxiv.org/abs/2206.12205
We present an improvement of our implementation of the Correlation Technique for the Fourier Domain Acceleration Search (FDAS) algorithm on Graphics Processor Units (GPUs) (Dimoudi & Armour 2015; Dimoudi et al. 2017). Our new improved convolution cod
Externí odkaz:
http://arxiv.org/abs/1711.10855
Publikováno v:
Astronomical Data Analysis Software and Systems XXIX (2020)
Binary pulsars are an important target for radio surveys because they present a natural laboratory for a wide range of astrophysics for example testing general relativity, including detection of gravitational waves. The orbital motion of a pulsar whi
Externí odkaz:
http://arxiv.org/abs/1911.01353
Publikováno v:
ACM Trans. Archit. Code Optim. 17, 3, Article 18 (September 2020)
We present an implementation of the overlap-and-save method, a method for the convolution of very long signals with short response functions, which is tailored to GPUs. We have implemented several FFT algorithms (using the CUDA programming language)
Externí odkaz:
http://arxiv.org/abs/1910.01972
Autor:
Dimoudi, Androniki, Karampetsou, Panagiota, Domenikiotis, Christos, Tziantziou, Lamprini, Klaoudatos, Dimitris, Skordas, Konstantinos, Panagiotaki, Panagiota, Neofitou, Nikos
Publikováno v:
In Marine Environmental Research June 2023 188
Publikováno v:
Land, Vol 13, Iss 2, p 182 (2024)
The trend of urbanization nowadays has caused serious issues related to climate. One of the most important ones is that of the ‘Urban Heat Island (UHI)’ and it occurs in major cities throughout the world. The most important categories, and theref
Externí odkaz:
https://doaj.org/article/31e5ab1878e64bc2b6ff5602690f2997
Autor:
Dimoudi, Sofia, Adamek, Karel, Thiagaraj, Prabu, Ransom, Scott M., Karastergiou, Aris, Armour, Wesley
The study of binary pulsars enables tests of general relativity. Orbital motion in binary systems causes the apparent pulsar spin frequency to drift, reducing the sensitivity of periodicity searches. Acceleration searches are methods that account for
Externí odkaz:
http://arxiv.org/abs/1804.05335
Autor:
Dimoudi, Sofia, Armour, Wesley
Pulsar acceleration searches are methods for recovering signals from radio telescopes, that may otherwise be lost due to the effect of orbital acceleration in binary systems. The vast amount of data that will be produced by next generation instrument
Externí odkaz:
http://arxiv.org/abs/1511.07343
Akademický článek
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Publikováno v:
The Astrophysical Journal Supplement Series, Vol 265, Iss 1, p 13 (2023)
The Fourier domain acceleration search (FDAS) is an effective technique for detecting faint binary pulsars in large radio astronomy data sets. This paper quantifies the sensitivity impact of reducing numerical precision in the graphics processing uni
Externí odkaz:
https://doaj.org/article/15839cda62754860821884087558c008