Academic literature on the topic 'Nonoptical astronomy'

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Journal articles on the topic "Nonoptical astronomy"

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Ankudinov, A. V., V. P. Evtikhiev, E. Yu Kotelnikov, A. N. Titkov, and R. Laiho. "Voltage distributions and nonoptical catastrophic mirror degradation in high power InGaAs/AlGaAs/GaAs lasers studied by Kelvin probe force microscopy." Journal of Applied Physics 93, no. 1 (January 2003): 432–37. http://dx.doi.org/10.1063/1.1527973.

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Marian, Daniela, Sorina Anamaria Ciplea, and Nicolaie Lungu. "Optimal and Nonoptimal Gronwall Lemmas." Symmetry 12, no. 10 (October 19, 2020): 1728. http://dx.doi.org/10.3390/sym12101728.

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In this paper, we study some optimal inequalities of the Riccati type and of the Bihari type. We also consider nonoptimal inequalities of the Wendorf type. At the same time, we get a partial answer to Problems 5 and 9, formulated by I. A. Rus. This paper is also motivated by the fact that, in many inequalities, the upper bound is not an optimal one.
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KERN, A., W. H. STEEB, and R. STOOP. "PROJECTIVE NOISE CLEANING WITH DYNAMIC NEIGHBORHOOD SELECTION." International Journal of Modern Physics C 11, no. 01 (February 2000): 125–46. http://dx.doi.org/10.1142/s0129183100000110.

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In recent years, several methods of noise cleaning have been devised, of which projective methods have been particularly effective. In our paper, we explain in detail why orthogonal projections are nonoptimal and how the nonorthogonal projections suggested by Grassberger et al., naturally emerge from the SVD method. We show that this approach when combined with a dynamic neighborhood selection yields optimal results of noise cleaning.
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Zhang, Chuanxin, Xue Jiang, Shuai Han, Jiajie He, Yan Zheng, Boyi Li, and Dean Ta. "Converged wireless infrastructure with acoustic holographic array." Applied Physics Reviews 9, no. 4 (December 2022): 041413. http://dx.doi.org/10.1063/5.0124759.

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Wireless technologies based on electromagnetic wave are crucial in the modern industry but nonoptimal in electromagnetic-restricted conditions such as underwater applications, where acoustic wave has been proposed as an indispensable approach. However, most of the current acoustic wireless methods could support single wireless function and control single device. A converged wireless infrastructure that simultaneously supports the mainstream wireless functions remains inaccessible for acoustics. The difficulty lies in constructing the dynamic control network consisting of multiple nodes with ac
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Villanueva-Polanco, Ricardo. "A Comprehensive Study of the Key Enumeration Problem." Entropy 21, no. 10 (October 5, 2019): 972. http://dx.doi.org/10.3390/e21100972.

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In this paper, we will study the key enumeration problem, which is connected to the key recovery problem posed in the cold boot attack setting. In this setting, an attacker with physical access to a computer may obtain noisy data of a cryptographic secret key of a cryptographic scheme from main memory via this data remanence attack. Therefore, the attacker would need a key-recovery algorithm to reconstruct the secret key from its noisy version. We will first describe this attack setting and then pose the problem of key recovery in a general way and establish a connection between the key recove
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Tretyakov, Evgeniy, Alexey Artamonov, Maria Grigorieva, Alexei Klimentov, Shawn McKee, and Ilija Vukotic. "TRACER (TRACe route ExploRer): A tool to explore OSG/WLCG network route topologies." International Journal of Modern Physics A 36, no. 05 (February 20, 2021): 2130005. http://dx.doi.org/10.1142/s0217751x21300052.

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The experiments at the Large Hadron Collider (LHC) rely upon a complex distributed computing infrastructure (WLCG) consisting of hundreds of individual sites worldwide at universities and national laboratories, providing about half a billion computing job slots and an exabyte of storage interconnected through high speed networks. Wide Area Networking (WAN) is one of the three pillars (together with computational resources and storage) of LHC computing. More than 5 PB/day are transferred between WLCG sites. Monitoring is one of the crucial components of WAN and experiments operations. In the pa
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dos Reis, Sandra N., Fernando Buitrago, Polychronis Papaderos, Israel Matute, José Afonso, Stergios Amarantidis, Iris Breda, et al. "Structural analysis of massive galaxies using HST deep imaging at z < 0.5." Astronomy & Astrophysics 634 (January 28, 2020): A11. http://dx.doi.org/10.1051/0004-6361/201936276.

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Context. The most massive galaxies (Mstellar ≥ 1011 M⊙) in the local Universe are characterized by a bulge-dominated morphology and old stellar populations, in addition to being confined to a tight mass-size relation. Identifying their main components can provide insights into their formation mechanisms and subsequent mass assembly. Aims. Taking advantage of Hubble Space Telescope (HST) CANDELS data, we analyze the lowest redshift (z &lt; 0.5) massive galaxies in the H and I band in order to disentangle their structural constituents and study possible faint non-axisymmetric features. Methods.
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Dissertations / Theses on the topic "Nonoptical astronomy"

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Lee, Aizeret, University of Western Sydney, of Science Technology and Environment College, and School of Engineering and Industrial Design. "Radioastronomical instrumentation : the diagonal horn." THESIS_CSTE_EID_Lee_A.xml, 2002. http://handle.uws.edu.au:8081/1959.7/699.

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The horn plays an elemental role in the make up of a radio-telescope. The focus of this research is on one particular type of horn – the diagonal horn. An analysis of the diagonal horn is made using the Fourier method. The analysis begins from Maxwell’s equations, as the basic building block, and describes the steps involved in developing the radiation pattern. Based on the theory, a program was written that produces the theoretical graphs referred to throughout the thesis. A diagonal horn was manufactured and the radiation patterns were measured. A comparison of these measured patterns is mad
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Lee, Aizeret. "Radioastronomical instrumentation : the diagonal horn." Thesis, View thesis, 2002. http://handle.uws.edu.au:8081/1959.7/699.

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Abstract:
The horn plays an elemental role in the make up of a radio-telescope. The focus of this research is on one particular type of horn – the diagonal horn. An analysis of the diagonal horn is made using the Fourier method. The analysis begins from Maxwell’s equations, as the basic building block, and describes the steps involved in developing the radiation pattern. Based on the theory, a program was written that produces the theoretical graphs referred to throughout the thesis. A diagonal horn was manufactured and the radiation patterns were measured. A comparison of these measured patterns is mad
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