| Course Description |
This course provides a a comprehensive understanding of antennas and propagation. The following topics are covered:
Basic antenna definitions and terms: directivity, efficiency, gain, polarization, beamwidth, isotropic radiator, far-field region, Voltage Standing Wave Ratio (VSWR), beam steering, broadside, endfire, phased arrays, array factor and pattern multiplication. The electric dipole and the magnetic dipole, image theory, small antennas & short dipoles, resonant antennas and their radiation patterns, travelling wave antennas, rhombic antennas, Log Periodic Dipole Arrays (LPDA), uniformly excited-equally spaced linear arrays, free space propagation, Friis formula and free space path loss, ground reflection and 2-ray model, knife edge diffraction, Split Step Parabolic Equation (SSPE) method.
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| Course Description in Turkish |
Bu derste antenler ve yayılımın temel kavramları şu konu başlıkları altında kapsamlı bir şekilde incelenmektedir:
Temel anten tanım ve terimleri: yönlendiricilik, verim, kazanç, polarizasyon, demet genişliği, yönbağımsız ışıyıcı, uzak alan bölgesi, gerilim duran dalga oranı, demet yönlendirme, enine ışımalı anten, uçtan ışımalı anten, faz farklı anten dizileri, dizi faktörü, örüntü çarpması. Elektrik dipol ve manyetik dipol, görüntü teorisi, küçük antenler ve kısa dipoller, rezonans antenler ve bunların ışıma örüntüsü, yürüyen dalga antenler, Rombik antenler ve bunların ışıma örüntüsü, Log Periyodik Dipol Diziler (LPDA), eş genlikle uyarılan eşit aralıklı doğrusal diziler, boşlukta yayılım, Friis formülü ve boşlukta yol kaybı, yer yansıması ve 2-ışınlı model, bıçak sırtı kırınım, parça parça parabolik denklem yöntemi. |
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Program Outcomes and Competences |
Level |
Assessed by |
| 1) |
Thorough knowledge of the major concepts, theoretical perspectives, empirical findings, and historical trends in psychology. |
N |
|
| 2) |
Understanding of and ability to apply essential research methods in psychology, including research design, data analysis, and data interpretation. |
N |
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| 3) |
Competence to use critical and creative thinking, skeptical inquiry and a scientific approach to solving problems related to behavior and mental processes. |
H |
Exam,HW,Participation
|
| 4) |
Understanding and ability to apply psychological principles, skills and values in personal, social, and organizational contexts. |
N |
|
| 5) |
Ability to weigh evidence, to tolerate ambiguity, and to reflect other values that underpin psychology as a discipline. |
N |
|
| 6) |
Internalization and dissemination of professional ethical standards. |
N |
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| 7) |
Demonstration of competence in information technologies, and the ability to use computer and other technologies for purposes related to the pursuit of knowledge in psychology and the broader social sciences. |
N |
|
| 8) |
Skills to communicate the knowledge of psychological science effectively, in a variety of formats, in both Turkish and in English (in English, at least CEFR B2 level). |
N |
|
| 9) |
Recognition, understanding, and respect for the complexity of sociocultural and international diversity. |
S |
Participation
|
| 10) |
Recognition for the need for, and the skills to pursue, lifelong learning, inquiry, and self-improvement. |
S |
HW,Participation
|
| 11) |
Ability to formulate critical hypotheses based on psychological theory and literature, and design studies to test those hypotheses. |
N |
|
| 12) |
Ability to acquire knowledge independently, and to plan one’s own learning. |
S |
Exam,HW
|
| 13) |
Demonstration of advanced competence in the clarity and composition of written work and presentations. |
H |
Exam,HW
|
| Week |
Subject |
| 1) |
Introduction : Review of coordinate systems, vector algebra and Maxwell’s equations |
| 2) |
Basic antenna definitions and terms: directivity, efficiency, gain, polarization, beamwidth, isotropic radiator, far-field region, Voltage Standing Wave Ratio |
| 3) |
The Electric (Hertzian or Ideal) Dipole: magnetic vector potential, magnetic and electric field vectors, complex poynting vector |
| 4) |
The Electric (Hertzian or Ideal) Dipole: radiated power, radiation resistance, antenna efficiency, gain, directivity, radiation pattern |
| 5) |
The Magnetic Dipole: magnetic vector potential, magnetic and electric field vectors, complex poynting vector, radiated power, radiation resistance, antenna efficiency, gain, directivity, radiation pattern. |
| 6) |
Image theory, small antennas & short dipoles, resonant antennas and their radiation patterns. |
| 7) |
Travelling wave antennas : Rhombic antennas and their radiation patterns |
| 8) |
Log Periodic Dipole Arrays (LPDA) |
| 9) |
Uniformly excited, equally spaced linear arrays.
Element pattern, array factor, pattern multiplication, Half-Power BeamWidth (HPBW) and BeamWidth between First Nulls (BWFN) for the broadside and endfire cases
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| 10) |
ANTEN-GUI : A Matlab-based visualisation package for planar arrays of isotropic radiators. The antenna simulator : NEC-WIN Professional |
| 11) |
Fundamentals of radiowave propagation: polarisation, reflection, refraction, diffraction
Free space propagation, Friis formula and free space path loss
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| 12) |
Ground reflection and 2-ray model, knife edge diffraction. |
| 13) |
Numerical propagation simulators: Ray approaches,
Split Step Parabolic Equation (SSPE) method, Method of Moments (MoM)
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| 14) |
Microstrip filter design, microstrip lines |
| 15) |
Final Exam/Project/Presentation Period |
| 16) |
Final Exam/Project/Presentation Period |