Listar por tema "attenuation"

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Coda waves’ tomography for surficial exploration

Vargas Jimenez, Carlos Alberto; PEDROZA ROJAS, ALVARO ORLANDO; Caneva, Alexander (Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y NaturalesBogotá, Colombia, 2015-04-26)

This work extrapolates the application of coda-waves’ imaging, in order to determine lateral anomalies of attenuation for surficial targets, and providing experimental elements that justify its use in an economic way with ...
Loss estimation model for a mobile microcell based on a mobile application

Medina Delgado, Byron; Camargo, Luis; HERRERA RUBIO, JORGE ENRIQUE (EspaciosVenezuela, 2019-10-28)

There is the possibility of measuring the reception power by means of a mobile device to determine the coverage area of a mobile cell, with experimental type research in the field is carried out the installation of an ...

Coda waves’ tomography for surficial exploration

...

Vargas Jimenez, Carlos Alberto | 2015-04-26

This work extrapolates the application of coda-waves’ imaging, in order to determine lateral anomalies of attenuation for surficial targets, and providing experimental elements that justify its use in an economic way with a relatively good resolution. A numerical procedure for the spatial inversion of the attenuation, inside a small region, has been established. The numerical effectiveness of the inversion was evaluated carrying out a field experiment, which detects, based on attenuation contrasts, the presence of a tunnel built in the Colombian Eastern Cordillera. The experimental work allows the validation of the proposed method, and the acquisition of associated information about the geotechnical conditions at the experimental site.

LEER

Loss estimation model for a mobile microcell based on a mobile application

...

Medina Delgado, Byron | 2019-10-28

There is the possibility of measuring the reception power by means of a mobile device to determine the coverage area of a mobile cell, with experimental type research in the field is carried out the installation of an application on mobile devices. The methodology is made up of the following stages: measurement campaigns, equipment configuration, connectivity tests, data capture and processing, mathematical formulation of an empirical model and statistical analysis of results on outdoor environments.

LEER

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