Subject » BMEVIHVAC03
Introduction to Electromagnetic Fields
Elektromágneses terek alapjai
A tantárgyleírás hatályossága
Hatályosság kezdete:
2026. March 21.
Hatályosság vége:
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| Subject name (Hungarian, English) |
Elektromágneses terek alapjai
Introduction to Electromagnetic Fields
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| Subject code | BMEVIHVAC03 | ||||||||||||
| Subject type | — | ||||||||||||
| Training Level | — | ||||||||||||
| Course types and hours (weekly/semester) |
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| Assessment type | vizsga | ||||||||||||
| Credits | 4 | ||||||||||||
| Subject coordinator |
DR. Gyimóthy Szabolcs
position: egyetemi tanár
contact:
gyimothy.szabolcs@vik.bme.hu
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| Responsible department |
Szélessávú Hírközlés és Villamosságtan Tanszék
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| Faculty | Villamosmérnöki és Informatikai Kar | ||||||||||||
| Subject website | http://hvt.bme.hu/index.php/oktatas/bsc/elektromagneses-terek-alapjai-bmevihvac03 | ||||||||||||
| Primary curriculum type | — | ||||||||||||
| Direct prerequisites – Strong prerequisite | none | ||||||||||||
| Direct prerequisites – Weak prerequisite | none | ||||||||||||
| Direct prerequisites – Parallel prerequisite | none | ||||||||||||
| Direct prerequisites – Milestone prerequisite | none | ||||||||||||
| Direct prerequisites – Exclusion | none |
Objectives
Programme
Part I. Fundamental laws
- Measurable global quantities of electromagnetism
- Scalar and vector fields of electromagnetism
- The system of Maxwell's equations
- Electromagnetic fields in materials
- Interface conditions
- Energy balance of the electromagnetic field
- Forces in the electromagnetic field
- Uniqueness of the solution of Maxwell's equations
- Classification of problems
Part II. Static fields
- Scalar potential and Laplace-Poisson equation of electrostatics
- Electrodes, capacitances
- Field of the electric dipole
- Method of images
- The finite difference method
- Current flow problems and the electrostatics analogy
- Grounding, step voltage
- Static magnetic fields, Biot-Savart law
- Self and mutual inductance
- Induction phenomena
- Lumped circuits
Part III. Transmission lines
- Telegraph equations
- Helmholtz-equation and its general solution
- Voltage and current distribution for specific loads (matched load, open end, etc.)
- Standing waves, transmission line as resonant circuit
- Circuit equivalents of the transmission line
- Wave equations (homogeneous and inhomogeneous)
- Helmholtz equation for plane waves, the transmission line analogy
- Reflection and refraction, polarised waves
- Plane waves in ideal dielectrics
- Plane waves in conductors, the skin effect
- Elementary electric dipole antenna
- Rectangular waveguides
The course teaches the fundamentals of classical electrodynamics in an engineering approach. Besides the main principles, the most important fields of engineering applications as well as some analysis methods are discussed. The lectures are complemented with classroom practices.
Learning outcomes
Ez a tantárgy a KKK rendeletben meghatározott, következő kompetenciák fejlesztését szolgálja:
Knowledge
No learning outcomes recorded.
Skills
No learning outcomes recorded.
Attitudes
No learning outcomes recorded.
Autonomy and responsibility
No learning outcomes recorded.
Oktatási módszertan
14 weeks of classes: 28 hours of lectures, 14 hours of classroom practices.
Tanulástámogató anyagok
Online források
K. Simonyi, Foundations of Electrical Engineering, Pergamon, 1963.; D.K. Cheng, Field and Wave Electromagnetics, Addison-Wesley, 1989.; L. Solymar, Lectures on Electromagnetic Theory: A Short Course for Engineers, Oxford University Press, 1976.; J.D. Jackson, Classical Electrodynamics, Wiley, 1999.
Recommended preliminary knowledge for completing the subject
Knowledge type competencies
(azon előzetes ismeretek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
Mathematics: linear algebra, matrix calculus, complex algebra, differential and integral calculus, differential equations, vector calculus. Signals and systems: circuit theory, two-ports, frequency domain analysis.
Skill type competencies
(azon előzetes képességek és készségek összessége, amelyek megléte nem kötelező, de a tantárgy eredményes teljesítését nagyban elősegíti)
nincs
Recommended (non-compulsory) preliminary competencies
(azon ajánlott (nem kötelező) előzetesen megszerzendő kompetenciák összessége, amelyek jelentősen hozzájárulnak a tantárgy eredményes teljesítéséhez)
Mathematics: linear algebra, matrix calculus, complex algebra, differential and integral calculus, differential equations, vector calculus. Signals and systems: circuit theory, two-ports, frequency domain analysis.
General rules
Requirements:
During the teaching period: one midterm.
During the exam period: oral exam
Pre-exam: not available
Additional possibilities:
The midterm can be repeated once.
Assessment methods
In-term assessments
No detailed assessments provided.
Weight of in-term assessments
No weights provided.
Exam-period assessments
No detailed assessments provided.
Weight of exam elements
No weights provided.
Grade calculation
No grade thresholds provided.
Attendance requirements
No attendance requirements provided.
Rules for retake and resubmission
Not provided.
Short description
Not provided.
Detailed description
Not provided.
Recommended courses
Not provided.
Workload to complete the subject
No workload breakdown provided.
Validity of subject requirements
Requirements valid from:
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Requirements valid until:
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Curriculum placement
No curriculum placements recorded for this subject version.