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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Διάταξη αεροσκάφους για δευτερεύον ραντάρ διερεύνησης

Ναθαναήλ, Νίκος, Μάνος, Δημήτριος 18 February 2010 (has links)
Σκοπός αυτής της Διπλωματικής είναι η μοντελοποίηση ενός συστήματος δευτερεύοντος ραντάρ διερεύνησης (SSR) μέσω υπολογιστή, η υλοποίησή του με την χρήση κατάλληλου εξοπλισμού και ο έλεγχός του μέσω γραφικού περιβάλλοντος διεπαφής του χρήστη. Η διαδικασία διαιρέθηκε σε τρεις φάσεις: α) Μοντελοποίηση του συστήματος μέσω του προγραμματιστικού περιβάλλοντος του Matlab θεωρώντας την ύπαρξη δύο αεροσκαφών εντός της εμβέλειας του ραντάρ. β) Υλοποίηση του συστήματος μέσω του εργαστηριακού περιβάλλοντος του LabView, θεωρώντας την ύπαρξη ενός αεροσκάφους. Για την υλοποίηση χρησιμοποιήθηκε εξοπλισμός της National Instruments και δυο κεραίες για την εκπομπή και τη λήψη. γ) Δημιουργία του γραφικού περιβάλλοντος διεπαφής χρήστη (GUI) μέσω του Matlab. / The purpose of this diplomatic paper is the creation of a secondary surveillance radar system (SSR) via computer, its effectuation with the appropriate equipment and its control through a graphical user interface. The procedure was split into three phases. a) Creating a model system via Matlab supposing the existence of two aircrafts. b) Effectuating the model system through Labview supposing the existence of one aircraft. For the effectuation was used National Instrument equipment and two antennas for the broadcast and the reception of the signal. c) Creating a graphic user interface via Matlab.
2

A highly abstracted method of FPGA-based development for Secondary Surveillance Radar transpond detection a project /

Watt, James Penn. Derickson, Dennis. January 1900 (has links)
Thesis (M.S.)--California Polytechnic State University, 2009. / Mode of access: Internet. Title from PDF title page; viewed on September 14, 2009. Major professor: Dennis Derickson. "Presented to the faculty of California Polytechnic State University, San Luis Obispo." "In partial fulfillment of the requirements for the degree of Master of Science in Electrical Engineering." "July 2009." Includes bibliographical references (p. 53-54).
3

Monitorování technického stavu částí radarových systémů / Technical Condition Monitoring of Radar Systems Components

Miklíček, Marek January 2017 (has links)
The goal of this thesis is to design a diagnostic subsystem for secondary surveillance radar and to construct a functional prototype of communication and testing generator unit. The first part of the thesis aims at description and division of radar systems, with emphasis on air traffic control radars.  Main attention is being focused on ATC secondary surveillance radars and description of their function. Following part deals with requirements specification for design of diagnostic system and the system design itself. Part of the thesis forms design, production and testing of prototype of block enabling communication of diagnostic subsystem and function of testing generator for secondary surveillance radar.
4

Možnosti využití ADS-B pro řízení provozu v CTR a po ploše / ADS-B and possibilities of its exploitation for the control of aircraft movement within CTR as well as along the aerodrome surface

Šíblová, Kamila January 2015 (has links)
Diploma thesis deals with the ADS-B system and its possible use at the Airport Václav Havel in Prague. In the beginning of this thesis there is described the history leading to the introduction of this system and then the ADS-B is explained. In this thesis is also included a schedule for the introduction of the system. Them the application is presented to the airport with integrity verification, functionality, reliability and safety.
5

Využití SSR módu S pro řízení pohybů letadel a vozidel po ploše letiště / Exploitation of the Mode S SSR for aerodrome surface movement control of aircraft & vehicles

Drápal, Stanislav January 2015 (has links)
The topic of this thesis relates to the state-of-art technologies and systems used for airport ground movements monitoring and guidance. Emphasis is placed on mode S of SSR, its characteristics, applications and avionics requirements. This thesis further comprises analysis of Brno - Turany Airport and it presents a new multilateration system including economical analysis, which would be used for aerodrome ground movements monitoring.
6

Výkonové zesilovače v pevné fázi pro pásmo L / Solid State Power Amplifier for the L-Band

Pecen, Vojtěch January 2017 (has links)
The goal of this diploma's thesis is to create a design of a two stages amplifier working in a band reserved for the secondary surveillance radar at the frequency of 1090 MHz. Output power of the amplifier should be 20 W and efficiency should be as high as possible. Because of this the second stage is designed in class C. Contents of this diploma's thesis include a theoretical analysis, simulations of the amplifier parameters, comparison of the Ansys Designer and AWR Microwave Office simulation programs and design of both stages of the amplifier, followed by a comparison of the measured parameters with the simulations.

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