Learning outcomes of the course unit
1. Knowledge and understanding
The course gives to the student:
- a basic understanding of electromagnetic fields, at low and high frequency;
- the operation principles of the most common antennas and their applications;
- a basic knowledge of the biological effects of electromagnetic fields;
- the knowledge the emission limits and their measurement procedure.
2. Applying Knowledge and understanding
- to manage the environmental impact of electromagnetic fields;
- to evaluate and manage the possible health risk connected to electromagnetic field exposure;
- to recognize the risk factors associated with the electromagnetic field;
- to evaluate and made the measurements of the electromagnetic field values, at low and high frequency.
3. Autonomous judgment:at the end of the course the student must be able to critically understand the behavior of the electromagnetic fields, its interactions with the environment and the use of measurement equipment.
4. Communication ability:through the classroom lessons and the academic debates, the student will acquire the specific terms used in electromagnetism and related to the measurement equipment. At the end of the course, the student is expected to orally communicate the main contents of the course, including ideas, environment problems and measurement validity and reliability.
5. Learning ability:after following the course, the student will be able to autonomously deepen his/her knowledge in electromagnetism through specialist textbooks and journals, even for topics not investigated in detail during the lessons.
Course contents summary
Basic theory of electromagnetic fields at low and high frequency.
Most common electromagnetic field sources.
Biological effects of field exposure.
National and international regulation
Measurements at low and high frequency.
- Electromagnetic field phenomenology.
- Electromagnetic waves and their propagation.
- Radiation theory.
- The electromagnetic spectrum. Frequency bands.
- The antenna as transition element between the transmission line and the open space.
- The basic operation principles of the most common antenna types. The short dipole. Descrizione dei principi di funzionamento dei più comuni tipi di antenne. Dipolo hertziano. Linear dipole antennas. Biconical antennas. Reflectors. Yagi-Uda and Log-periodic (4h).
- Biological effects of the electromagnetic fields. State of the art and most recent research results. Ionizing and non-ionizing radiation (4h).
- International and national regulation (2h).
- Guidelines for the measurement of radio frequency fields at low and high frequencies. Description and accuracy of the probes.
- Laboratory on the measurement of radio frequency fields (4h).
Lessons will be given by the teacher on the blackboard as well as by multimedia presentations. Classroom exercises will be carried out in preparation of the exam. About four hours will be reserved for experimental measurement activities.
Assessment methods and criteria
A written exam at the end of the lesson period or an oral examination.
The written exam consists of open questions.
The exam will test a candidate's knowledge of measure units of the main parametrs , basic theory and regulations.
The educational material is available at the web site gaem.tlc.unipr.it