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61 results on '"D'Angelo, S"'

1. High-Resolution Data Grids to Assess Urban Density and Environmental Quality: The Case of São Paulo City

Author

Fabien Wagner, Angelo S. Filardo, and Mayumi C. M. Hirye

Subjects
Footprint, Data cube, Lidar, Geography, Land use, Work (electrical), business.industry, Environmental resource management, Urban density, business, Spatial analysis, Environmental quality
Abstract

This work takes advantage of a very high-resolution LiDAR building footprint of the city of Sao Paulo, Brazil, in combination with land use and demographic information to derive spatial data grids and assess populational density and employments density. Urban tree cover, also obtained from LiDAR data, was used to calculate percentage of public areas with tree cover. All data were coerced into a low-dimensional data cube to provide insights on urban land use intensity and environmental quality in Sao Paulo city.

Published
2021

3. Liquefaction potential mapping of the city of Valenzuela, Philippines

Author

John Lemar M. Tirao, Angelo S. Enoria, Sophia Q. San Juan, Jordan N. Velasco, and Hiyasmin F. Ubaldo

Subjects
Factor of safety, Environmental science, Liquefaction, Magnitude (mathematics), Geotechnical engineering, Hazard
Abstract

The city of Valenzuela in the Philippines has provided several preparedness plans and contingency measures in anticipation of the 7.2-magnitude earthquake, dubbed as the "Big One". In studying the movements along the country’s Valley Fault System, the said plans and measures were not accomplished. The consideration of the soil’s potential to liquefy was not included—which is significant in providing hazard maps for the city. The researchers assessed the soil in Valenzuela using soil investigation reports done from 2008 to 2017. The geotechnical properties were utilized to calculate liquefaction potential using Idriss and Boulanger’s Semi-empirical Method for Factor of Safety against Liquefaction and the formula from Iwasaki, et al. for Liquefaction Potential Index. Liquefaction potential maps were produced corresponding to moment magnitudes 6, 7, and 8. Based on the results, 67.65% of the city has the potential and probability to liquefy at magnitudes 6 and 7, while 70.59% for magnitude 8. On the same hand, about 32.35% of the city is the least susceptible to liquefaction during earthquake magnitudes 6 and 7, while 29.41% for magnitude 8. It is therefore concluded that the majority of the soils in Valenzuela is highly susceptible to liquefaction.

Published
2019

5. Biosignal detection and analysis with data mining capabilities: A wireless patient monitoring device

Author

Rowell M. Forones, Edwin Arjae N. Alconcel, Aaron Angelo S. Avanica, Renann G. Baldovino, and Justin Philbert G. Ng

Subjects
Multimedia, Computer science, Remote patient monitoring, business.industry, media_common.quotation_subject, SIGNAL (programming language), 02 engineering and technology, computer.software_genre, Health informatics, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, 0302 clinical medicine, Patient monitoring device, 0202 electrical engineering, electronic engineering, information engineering, Wireless, 020201 artificial intelligence & image processing, Quality (business), Biosignal, Patient database, business, computer, media_common
Abstract

In the Philippines, medical informatics had been loosely practiced in the country as early in the 1980s. Most hospitals in the country, especially public and rural ones, suffer from the backlogs and inconvenience of the traditional method of patient monitoring. Not only that, these hospitals still utilize bulky and complicated monitoring devices. A low-cost and efficient way to address this and to also further enhance the monitoring of the patient is to introduce a digital database and a medical apparatus that can read biosignals and send data wirelessly. This paper address that problem by developing a compact medical device, capable of monitoring several biosignals as well as a patient database to aid in the logging and tracking of patient status. The device sends data via WiFi to a website which logs and charts the data with little to no delay depending on the strength and quality of the signal. The data gathered can then be exported and analysis via a data mining software which can help relate the data in a clear manner.

Published
2017

6. Development of a New Digital Signal Processing Platform for the Square Kilometre Array

Author

Naldi, G., primary, Comoretto, G., additional, Chiello, R., additional, Pastore, S., additional, Pupillo, G., additional, Mattana, A., additional, Melis, A., additional, Concu, R., additional, Alderighi, M., additional, Aminaei, A., additional, Baker, J., additional, Belli, C., additional, Chiarucci, S., additional, D'Angelo, S., additional, Mura, G. Dalle, additional, De Marco, A., additional, Halsall, R., additional, Magro, A., additional, Monari, J., additional, Navarrini, A., additional, Perini, F., additional, Poloni, M., additional, Roberts, M., additional, Rusticelli, S., additional, Schiaffino, M., additional, Schilliro, F., additional, Zaccaro, E., additional, and Adami, K. Zarb, additional

Published
2018
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8. LabVIEW-based motion activated security camera

Author

Mark Angelo C. Purio, Angelo S. Anzures, Francisco I. Alano, and Jason G. Ondevilla

Subjects
Cover (telecommunications), Feature (computer vision), business.industry, Computer science, Personal computer, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Computer vision, Image processing, Smart camera, Artificial intelligence, Servomotor, business, Grayscale
Abstract

This security system provides a cost-efficient alternative solution to intelligent security systems by using a standard webcam, personal computer, and a PIC microcontroller. This system uses a program developed in NI-LabVIEW which uses image processing. The said program only records the camera input once motion is detected, which reduces the duration of the video footage, disk space needed, as well as the time taken to review the recording. Furthermore, the camera continuously pans the area by using a PIC microcontroller and a servo motor. This feature allows the camera to cover areas outside its regular field-of-view.

Published
2015

10. Heavy ion effects on configuration logic of Virtex FPGAs

Author

Alderighi, M., Candelori, A., Casini, F., D'Angelo, S., Mancini, M., Paccagnella, Alessandro, Pastore, A., Sechi, S., and G. R.

Subjects
Engineering, Virtex, Heavy ion radiation, business.industry, System testing, Parallel computing, Radiation, Heavy ion test, Failure mechanisms, Single event upset, Configuration logic, Embedded system, SIngle event effects, Heavy ion test, SIngle event effects, FPGA, Configuration logic, Failure mechanisms, Heavy ion, Sensitivity (control systems), business, Field-programmable gate array, FPGA
Abstract

A heavy ion radiation test has been performed to evaluate the SEU sensitivity of Virtex devices. Differently from previous radiation tests, the one here described specifically addresses configuration logic. Previously unreported failure mechanisms have been observed and classified and their corresponding cross sections measured.

Published
2005

11. Development of CdWO4 crystal scintillators from enriched isotopes for 2γ-decay experiments

Author

Barabash, A.S., primary, Belli, P., additional, Bernabei, R., additional, BoikO, R.S., additional, Brudanin, V.B., additional, Cappella, F., additional, Caracciolo, V., additional, Cerulli, R., additional, Chernyak, D.M., additional, Danevich, F.A., additional, d'Angelo, S., additional, Degoda, V.Ya., additional, Di Vacri, M.L., additional, Dossovitskiy, A.E., additional, Galashov, E.N., additional, Incicchitti, A., additional, Kobychev, V.V., additional, Konovalov, S.I., additional, Kovtun, G.P., additional, Laubenstein, M., additional, Mikhlin, A.L., additional, Mokina, V.M., additional, Nikolaiko, A.S., additional, Nisi, S., additional, Poda, D.V., additional, Podviyanuk, R.B., additional, Polischuk, O.G., additional, Shcherban, A.P., additional, Shlegel, V.N., additional, Solopikhin, D.A., additional, Tretyak, V.I., additional, Umatov, V.I., additional, Vasiliev, Ya.V., additional, and Virich, V.D., additional

Published
2012
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42. SEU Sensitivity of Virtex Configuration Logic.

Author

Alderighi, M., Candelori, A., Casini, F., D'Angelo, S., Mancini, M., Paccagnella, A., Pastore, S., and Sechi, G. R.

Subjects
RADIATION sources, COLLISIONS (Nuclear physics), IONS, RADIATION, PROPERTIES of matter, SOLUTION (Chemistry), RADIATION exposure, PARTICLES (Nuclear physics), CHANNELING (Physics), CHARGE transfer
Abstract

This paper presents a strategy of investigation of SEU upset mechanisms in the configuration logic of Virtex I devices. Measurement procedures specifically addressing configuration logic and a hardware set up for radiation testing are described. The results of a heavy ion radiation test are then presented. Previously unreported failure mechanisms have been observed and classified and their corresponding cross sections measured. [ABSTRACT FROM AUTHOR]

Published
2005
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