Budapest University of Technology and Economics, Faculty of Electrical Engineering and Informatics

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    High Frequency Systems

    A tantárgy neve magyarul / Name of the subject in Hungarian: Nagyfrekvenciás rendszerek

    Last updated: 2024. március 26.

    Budapest University of Technology and Economics
    Faculty of Electrical Engineering and Informatics
    Course ID Semester Assessment Credit Tantárgyfélév
    VIHVAC08 5 2/2/0/v 5  
    3. Course coordinator and department Dr. Seller Rudolf,
    Web page of the course High Frequency Systems
    4. Instructors Dr. Seller Rudolf
    5. Required knowledge Signals and Systems 1-2.
    Infocommunications
    6. Pre-requisites
    Ajánlott:
    -
    7. Objectives, learning outcomes and obtained knowledge

    The aim of the subject is to gain a systematic understanding of modern telecommunications and remote sensing systems. After describing the systems, it details the role and tasks of the system elements up to the depth of the design. We deal with the main functional elements of radio systems: transmitter, receiver, antenna, radio channel.

    We deal in detail with the theory of modulations, including extended spectrum modulation. We deal with the description of noise in telecommunication systems and its role in designing. They get to know the basics of EM remote sensing, which is currently used in many areas: air traffic control, vehicle collision prevention, geodesy, cartographic applications, etc.

    After a general discussion of systems, the subject presents various applications: terrestrial point-to-point microwave links, various radar systems (PSR, SSR, PET, PCL), satellite telecommunication systems, satellite positioning and navigation systems, satellite remote sensing systems.

    Within the scope of the subject, students acquire skill-level knowledge in the field of design and application of wired and wireless systems and microwave system components. Students of the subject will be aware of the basic operation and structure of radio networks and remote sensing systems, and will be able to design the basic elements of these systems.
    8. Synopsis

     

    1.       General fundamentals

    2.       General description of stochastic processes

    3.       Noise in telecommunication systems, noise factor, noise temperature

    4.       Characterization of point-to-point radio connection

    5.       Optimal receiver signal processing, matched filter derivation, spread spectrum modulation

    6.       Phased array antennas, electronic beamforming and scanning

    7.       Adaptive interference cancellation, MSINR method

    8.       Radio direction finding, CAPON and MEM methods, MRA (Minimum Redundancy Array)

    9.       Radar

    a.       Basic principle of radar measurement

    b.       Derivation of basic radar equation

    c.       Derivation of the measurable parameters of an object.

    10.   SSR (Secondary Surveillance Radar)

    11.   Passive radar

    a.       Description of PET (passive emitter tracking) radar theory

    b.       Description of the theory of PCL (Passive Coherent Location) radars.

    12.   Imaging radars

    a.       SLAR (Side Looking Airborne Radar) imaging principle

    b.       SLAR equation.

    c.       SAR (Synthetic Aperture Radar) focusing principle, derivation of focusing equations.

    d.       Description of SAR modes. Presentation of the principle of interferometric SAR.

    13.   Basics of radio astronomy

    a.       Radio frequency radiation from quasars and pulsars

    b.       Theory of radio interferometry

    c.       Presentation of the operating principle of the VLBI system (Very-Long-Baseline Interferometry)

    d.       Description of VLBI applications
    9. Method of instruction Lectures and classroom practices.
    10. Assessment During the teaching period: one midterm.
    During the exam period: written exam
    Pre-exam: not available
    11. Recaps The midterm can be repeated once.
    12. Consultations Consultation hours are offered regularly by all lecturers of the subject (as scheduled on the homepage).
    13. References, textbooks and resources Electronic notes in the subject's Teams group.
    14. Required learning hours and assignment
    Kontakt óra48
    Félévközi készülés órákra32
    Felkészülés zárthelyire30
    Házi feladat elkészítése 
    Kijelölt írásos tananyag elsajátítása 
    Vizsgafelkészülés40
    Összesen150
    15. Syllabus prepared by Dr. Seller Rudolf
    IMSc program
    We recommend in-depth selection of literature and consultations for mastering the course material. Additional recommended literature is available for those who are more interested in the field of expertise, with consultation on demand.

    IMSc score

    Total available IMSc points: 25

    By solving additional voluntary tasks: max. 10 IMSC points; midterm and exam if the assessment is completed at a satisfactory level: 10 IMSC points. IMSc points can be obtained with outstanding class activity during the classroom practices: max. 5 points.