Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 35761-35780 of 98780
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(Universidad Nacional Autonoma de Mexico, 2017)Based on the molecular emission in the 12CO(2-1) and 13CO(2-1) lines, and on the continuum emission in the MIR and FIR towards the S 21 IR dust bubble, we analyze the physical characteristics of the gas and dust linked to ...
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(SAGE, 2017)This article presents a robotic dataset collected from the largest underground copper mine in the world. The sensor mea-surements from a 3D scanning lidar, a 2D radar, and stereo cameras were recorded from an approximately ...
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(American Society of Civil Engineers (ASCE), 2017)Observations following recent earthquakes, and from structural testing, indicate numerous brittle compression failures in rein-forced concrete seismic-resisting walls. This is unexpected, as most seismic-resisting walls ...
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(IEEE, 2017)Modular multilevel converters (M2C) are considered an attractive solution for high power drive applications. However, energy balancing within the converter is complex to achieve, particularly when the machine is operating ...
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(MDPI, 2017)To avoid structural failures it is of critical importance to detect, locate and quantify impact damage as soon as it occurs. This can be achieved by impact identification methodologies, which continuously monitor the ...
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(IEEE, 2017)In sensing applications, sensors cannot always mea-sure the latent quantity of interest at the required resolution, some-times they can only acquire a blurred version of it due the sensor’stransfer function. To recover ...
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Characterization of spatiotemporal chaos in a Kerr optical frequency comb and in all fiber cavities (OSA - The Optical Society, 2017)Complex spatiotemporal dynamics have been a subject of recent experimental investigations in optical frequency comb microresonators and in driven fiber cavities with Kerr-type media. We show that this complex behavior has ...
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(EDP Sciences, 2017)A numerical model of granular material at different packing fractions and under steady shear is submitted to a sudden shear reversal. We monitor consequences of the strong density and shear rate spatiotemporal heterogeneities, ...
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(Elsevier, 2017)In this paper we generalize the recent implicit models that have been put into place to describe the elastic response of bodies when thermal effects come into play. The implicit constitutive relations for thermoelastic ...
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(Elsevier, 2017)This paper offers an original methodology to set multi-dimensional maintenance policies for machines whose aging processes require using multiple time scales. It can be considered a generalization of the traditional approach, ...
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(Institute of Physics Publishing, 2017)We present the results of an optical spectroscopic monitoring program targeting NGC 5548 as part of a larger multi-wavelength reverberation mapping campaign. The campaign spanned six months and achieved an almost daily ...
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(INFORMS, 2017)For the past 12 years, the Chilean Professional Soccer Association (ANFP) hasapplied operations research (OR) techniques to schedule soccer leagues in Chile. Usinginteger programming-based methods, the ANFP decides which ...
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(Elsevier, 2017)This paper presents the design and application of fractional single-input–single-output (SISO) controllers to a grinding mill circuit, which is a multiple-input–multiple-output (MIMO) process. Two kinds of controllers are ...
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(Oxford University, 2017)We present Gemini/GNIRS (Gemini Near-Infrared Spectrograph) spectroscopy of the Seyfert2 galaxy NGC 4388, with simultaneous coverage from 0.85 to 2.5μm. Several spatiallyextended emission lines are detected for the first ...
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(Institute of Electrical and Electronics Engineers Inc., 2017)In the range α-majority query problem, we preprocess a given sequence S[1.n] for a fixed threshold α ϵ (0, 1], such that given a query range [i.j], the symbols that occur more than α (j-i+1) times in S[i.j] can be reported ...
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(Springer, 2017)The dynamic of consolidation of urban areas inLatin America has allowed that almost 80% of the popula-tion concentrates in cities; this has produced changes in landcovers and modified regional climate, propitiating ...
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(IEEE, 2017)In this paper we present a new system that uses new technology that has the ability to transmit data using light emitting diodes (LED) and a photodetector (PD) capable of sensing very soft changes of light. The system ...
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(IEEE, 2017)We propose a hybrid filter to reduce the peak-to-average power ratio (PAPR) on the transmitter side in a long-term evolution uplink scheme. The design of the proposed filter is based on two key components: a finite impulse ...
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(Institute of Mathematical Statistics, 2017)We investigate the problem of the rate of convergence to equilibrium for ergodic stochastic differential equations driven by fractional Brownian motion with Hurst parameterH >1/2 and multiplicative noise component σ. ...
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(BioMed Central, 2017)Background: Amylases are used in various industrial processes and a key requirement for the efficiency of these processes is the use of enzymes with high catalytic activity at ambient temperature. Unfortunately, most ...