LOFAR Radio Technology School

Where: Technical University – Sofia

15 – 19 May 2023


Deadline for applying: 15 April 2023
Notification of acceptance: 20 April 2023
Language: English
Requirements: laptop


LECTURERS:

Assoc. Prof. Boncho Bonev, PhD
Assoc. Prof. Peter Petkov, PhD
Assist. Prof. Nicole Christoff, PhD
Assist. Prof. Yulian Velchev, PhD


TOPICS:

1. Electromagnetic principles and radio-wave propagation
2. Fundamentals of Antenna Engineering
3. Specialized antenna systems
4. Fundamentals of Image Processing
5. Fundamentals of Signal Processing


COURSE PROGRAM:

Day1. Electromagnetic principles and radiowave propagation. Lecturer: Assoc. Prof. Boncho Bonev, PhD
Day 2. Fundamentals of Antenna Engineering.  Lecturer: Assoc. Prof. Peter Petkov, PhD
Day 3. Specialized antenna systems. Lecturer: Assoc. Prof. Peter Petkov, PhD
Day4. Fundamentals of Image Processing. Lecturer: Assist. Prof. Nicole Christoff, PhD
Day5. Fundamentals of Signal Processing. Lecturer: Assist. Prof. Yulian Velchev, PhD

TU-SOFIA LOC:

Peter Petkov, Boncho Bonev,  Pavlina Aleksieva, Nicole Christoff, Kalin Dimitrov, Ivaylo Nachev

Monday, 15.05.2023

Electromagnetic principles and radiowave propagation (Boncho Bonev, PhD)

9:00 – 9:30 Welcome and starting remarks
9:30 – 10:20 Lecture 1:  Radio wave propagation – main principles, phenomenon and equations, pt.1
10:20 – 11:10 Lecture 2: Radio wave propagation – main principles, phenomenon and equations, pt.2

11:10 – 11:30 COFFEE BREAK
11:30 – 12:20 Lecture 3: Ionosphere – layers, reflection, attenuation, pt. 1
12:20 – 13:10 Lecture 4: Ionosphere – layers, reflection, attenuation, pt. 2
13:10 – 14:10 LUNCH
14:10 – 16:00 Lecture 4: Troposphere – refraction. Rain and gaseous attenuation
16:00 – 16:20 COFFEE BREAK
16:20 – 17:30 Lecture 5: Frequency bands – propagation characteristics and applications

Tuesday, 16.05.2023

Introduction to Electrodynamics and Antennas (Peter Petkov, PhD)

09:00 – 10:00 Lecture 1: Intro to  Antennas – History and basic concepts
10:00 – 11:00 Lecture 2: Fundamentals of Electrodynamics and radiation principles
11:00 – 11:10  Q&A
11:10 – 11:30 COFFEE BREAK
11:30 – 12:20 Lecture 3: Antenna parameters and characteristics, pt. 1
12:20 – 13:10 Lecture 4:  Antenna parameters and characteristics, pt. 2
13:10 – 14:10 LUNCH
14:10 – 15:10 Demo/Workshop: Antenna parameters and characteristics (Antenna pattern and polarization), pt. 1
15:10 – 16:00 Demo/Workshop: Antenna parameters and characteristics (Antenna gain), pt. 2
16:00 – 16:20 COFFEE BREAK
16:20 – 17:10 Lecture 5: Intro to 4NEC2
17:10 – 17:30    Q&A

Wednesday, 17.05.2023

 Specialized antenna systems (Peter Petkov, PhD)

 09:00 – 10:00 Lecture 1: Wire Antennas
10:00 – 11:00   Workshop1:-  Wire antennas
11:00 – 11:10  Q&A
11:10 – 11:30 COFFEE BREAK
11:30 – 12:20 Lecture 2: Aperture antennas
12:20 – 13:10 Tutorial(Demo) 2: Aperture antennas
13:10 – 14:10 LUNCH
14:10 – 15:10 Lecture 3: Antenna arrays
15:10 – 16:00 Tutorial(Demo) 3: Antenna Arrays
16:00 – 16:20 COFFEE BREAK
16:20 – 17:10 Lecture 4: Antennas and Arrays for Radio Astronomy
17:10 – 17:30 Q&A

Thursday, 18.05.2023

Fundamentals of Image Processing (Nicole Christoff, PhD)

09:00 – 10:00 Lecture 1: Image preprocessing pt1
10:00 – 11:00 Tutorial(Demo) 1: Image preprocessing pt1
11:00 – 11:10  Q&A
11:10 – 11:30 COFFEE BREAK
11:30 – 12:20 Lecture 2: Image preprocessing and augmentation pt.2
12:20 – 13:10 Tutorial(Demo) 2: Image preprocessing and augmentation pt.2
13:10 – 14:10 LUNCH
14:10 – 15:10 Lecture 3: Image segmentation
15:10 – 16:00 Tutorial(Demo) 3: Image segmentation
16:00 – 16:20 COFFEE BREAK
16:20 – 17:10 Lecture 4: Looking forward: The AI – a tool (in image processing) or a threat (for the scientist)
17:10 – 17:30 Q&A

Friday, 19.05.2023

Signals and Systems (Yulian Velchev, PhD)

09:00 – 10:40 Lecture1: Types of signals. Signals transformation in frequency domain
10:40 – 11:00 COFFEE BREAK
11:00 – 13:10 Lecture2: Discretization and quantising
13:10 – 14:10 LUNCH
14:10 – 16:00 Lecture3: Digital signal processing
16:00 – 16:20 COFFEE BREAK
16:20 – 17:00 Lecture4: Analog to digital and digital to analog convertors – principles and architecture
17:00 – 17.30 Q&A


Participants

Anton Atanasov
Dushan Bikov
Darko Bogatinov
Sasha Boteva
Encho Chahanov
Danislav Kodzhabashev
Vladislav Marchev
Stefan Mitkovski
Teodora Serafimova
Mario Tsanov

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