Campus del Baix Llobregat
 
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Projectes llegits
(2019-2)

DG ENG AERO/SIS TEL

DG ENG AERO/TELEMÀT

DG ENG SISTE/TELEMÀT

ENG TELEC 2NCICLE 01

ET AERO/ETT SIST 05

ET AERONÀUTICA 03

ETT SIST/ ET AERO 05

ETT SIST TELEC 00

ETT SIST TELEC 91

ETT TELEMÀTICA 00

GR ENG AERONAVEGACIÓ

GR ENG AEROPORTS

GR ENG SIS TELECOMUN

GR ENG SIST AEROESP

GR ENG TELEMÀTICA

MU AEROSPACE S&T 09

MU DRONS

MU MASTEAM 2009

MU MASTEAM 2015

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Documentació

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Projecte llegit

Títol: Demostrador de guiat de senyals de radiofreqüència

Director: ELÍAS FUSTE, Antoni

Departament: TSC

Títol: Demostrador de guiat de senyals de radiofreqüència

Data inici oferta: 12-02-2020     Data finalització oferta: 12-10-2020


Estudis d'assignació del projecte:
    GR ENG SIS TELECOMUN
Tipus: Individual
 
Lloc de realització: EETAC
 
Paraules clau:
demostrador, propagació i recepció de senyals radio en diferents medis i sistemes de guiat
 
Descripció del contingut i pla d'activitats:
El projecte consisteix en realitzar un demostrador de propagació de senyals en banda X per a diferents medis (aire, guiaones, tecnologies planars, etc.)així com els efectes (reflexió, atenuació)que els senyals suporten en la seva propagació, i com els diferents components del sistema de radiació (polarització, directivitat, etc.) configuren les prestacions que es poden esperar del sistema.

el demostrador serà de ús senzill i ha de permetre fer demostracions reals i engrescadores als estudiants de batxillerat, sobre com funcione la telecomunicació.
 
Overview (resum en anglès):

In this work, signal transmission has been studied at the practical level through a series of experiments. The experiments are described in a relatively simple way, with the aim of understanding how a wave front propagates without entering into the mathematical calculations, which can be very complex. From the whole range of available frequencies, we will work with a subset of the microwaves, defined as "X-band".
Being a mainly theoretical work, it will be introduced with some essential concepts to understand the reason for the experiments and their results. The aim of the experiments will be to demonstrate these concepts, such as the propagation properties: reflection, refraction and diffraction. Some physical phenomes such as polarisation and interference will also be seen. A list of specific materials for microwaves is required for the demonstrations. Some of this material has been designed according to the results that are wanted to be obtained. The dependence of the main factors of these designs will be explained, such as the material used and the dimensions of the object in question.
To measure the results, because in "X-band" the human cannot perceive its transmission, the carrier signal has been modulated with an acoustic signal. In order to transmit the modulated signal, a transmitter will be used to generate the signal, and a receiver will be used to retrieve it. The receiver's function is to demodulate the signal and emit a signal that can be heard by humans. Therefore, the results obtained will be qualitative and will present errors according to the configuration of the material used. These errors are relatively negligible for what we want to demonstrate.
The experiments have given the expected results according to the currently existing theory and laws. It has been possible to understand in a visual and practical way how a signal is propagated from one point to another in space, and how much this propagation can be altered.


Data de generació 04/03/2021