Browsing by Keywords "frequency"

Now showing items 1-12 of 12

  • Wireless communication transceiver development and creation using software radio.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Kartimpelis, Christos; Tzagkarakis, Alexis
    Thesis advisor: Mparmpounakis, Ioannis
    Publication Date: 29-02-2008
    The transceiver device is used to transmit and receive radio frequencies in one or two ways contact, for low frequence applications. TRF6900 device can operate as a complete transceiver in ISM bandwidth (Europe 868-870 Mhz ...

  • Analogue voice coding.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Mavrogeorgis, Ioannis
    Thesis advisor: Makris, Ioannis
    Publication Date: 03-04-2008
    The aim of this project is the design and development of a simple scrambler system used for the range of audible frequencies and more specifically for the frequency range of telephone landline applications. The fundamental ...

  • Acoustic signal audio amplifier.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Polychronakis, Panagiotis
    Thesis advisor: Christou, Christos
    Publication Date: 25-04-2013
    Audio amplifiers consist a great chapter in the field of electronics and interest a lot of manufacturers.There is a huge range of views about the efficiency and their characteristics, in general, which have to do with ...

  • Recording the frequency of accidents in children at tertiary University Hospital of Heraklion.

    T.E.I. of Crete, School of Health and Welfare Services (SEYP), Nursing Department
    Authors: Galeraki, Fotini; Perisynaki, Georgia; Triantafyllou, Glykeria
    Thesis advisor: Rovithis, Michalis
    Publication Date: 22-09-2010

  • Frequency allocation of the incidents that were admitted to the Emergency department of the islands of Rhodes and Samos during the time period July-August 2019. A retrospective-comparative study.

    Η.Μ.U, School of Health Sciences (SHS), Nursing Dept.
    Authors: Tsirogianni, Georgia; Chrysaki, Markella - Athina
    Thesis advisor: Melidoniotis, Evangelos
    Publication Date: 2021-07-01
    Emergency medicine is a globally recognized and regulated specialty in at least 54 countries. It is a federation comprising 24 European National Emergency Medicine Societies and representing more than 16,000 in Europe ...

  • Designing method of inverter DC to AC of 1000 Watt power.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Angelidis, Michalis
    Thesis advisor: Mpakatsakis, Michail
    Publication Date: 29-02-2008
    Aim of this thesis is the design and manufacture of DC/AC inverter using a transformer with a ferrite core. An inverter turns DC voltage to symmetric AC with the desirable amplitude and frequency. In many industrial ...

  • Stereophonic graphic equalizer construction.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Kounios, Photis
    Thesis advisor: Piotogiannakis, Stylianos
    Publication Date: 13-09-2012
    The subject of this project, is the construction of a Stereophonic Graphic Equalizer 2x10band, and the evaluation of circuit’s operation. First of all, the theory of equalizers and filters used , will be analyzed. In order ...

  • Stereophonic radio FM transmitter.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Sachip, Akkous
    Thesis advisor: Vardiampasis, Ioannis
    Publication Date: 04-04-2008
    This essay is an attempt to present, as better as possible, through a small research, the method of a stereophonic transmission in the area of the broadcasting frequencies of F.M. The object of this research is so wide, ...

  • Modern mathematical methods in tomography: estimates of frequencies and modes with the method of conformal deformation.

    T.E.I. of Crete, School of Applied Sciences, Department of Environmental and Natural Resources Engineering
    Authors: Gkanidis, Stathis; Gkatzinis, Petros
    Thesis advisor: Papakostas, Taxiarchis
    Publication Date: 01-06-2011
    We estimate the frequenceis and modes in a domain (material) based in the construction of geodesic pixels with the method of conformal deformation.

  • Design and optimization of a 3G radio network.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Kallergis, Emmanouil
    Thesis advisor: Kokkinos, Evangelos
    Publication Date: 15-05-2008
    This study concerns the design and optimization of a 3G radio network.

  • Design and construction of logarithm-periodal antennas at frequencies 880-960 MHz, 1.710-1.880 MHz, 1.920-2.170 MHz, 500-2.500 MHz and 1.500-3.000 MHz.

    T.E.I. of Crete, School of Engineering (STEF), Telecommunications and Systems Networks EUP
    Authors: Nikolarakis, Georgios; Stratigis, Charis
    Thesis advisor: Vardiampasis, Ioannis
    Publication Date: 29-02-2008
    In this thesis we will design and construct spread spectrum logarithmic antennas. Starting with an overview of the logarithmic-periodical antennas, we continue with a study of the dipole log-periodic antennas, and finally ...

  • Frequency meter device.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Nikolaou, Platon; Tolias, Ilias
    Thesis advisor: Adamidis, Georgios
    Publication Date: 28-06-2010
    The Frequency Meter is an electrical device, which is able to perform frequency measurements with high resolution. The device’s theory of operation is based on counting the instances of any periodic waveform during a precise ...