ELETTROTECNICA ED ELETTRONICA PER RADIOLOGIA MEDICA

Degree course: 
Corso di First cycle degree in Imaging and Radiotherapy techniques
Academic year when starting the degree: 
2025/2026
Year: 
1
Academic year in which the course will be held: 
2025/2026
Course type: 
Basic compulsory subjects
Seat of the course: 
Varese - Università degli Studi dell'Insubria
Credits: 
2
Period: 
Second semester
Standard lectures hours: 
24
Detail of lecture’s hours: 
Lesson (24 hours)

Written test

Assessment: 
Voto Finale

The aim is to illustrate the characteristics and operating principles of electronic devices for detecting signals and images in medicine.

General aspects related to measure theory and signal theory. Basic principles of the physics of electromagnetism, circuit theory and electrical safety. Generation of body images with computed tomography NMR.

Analog and Digital Measurement, Systematic and Random Errors, Induced Perturbations, Digitization, Quantization, Accuracy and Precision, Units of Measurement, Dimensional Calculation
Physical and Analog Signal, Noise, Energy and Power, Fourier Series, Analog Filters
Sampling and Digital Signals, Aliasing, Fourier Transform and Power Spectrum
Coulomb's Law, Electric Field, Potential, Insulators and Conductors, Current, Magnetic Field
Relationship between Electricity and Magnetism, Electromagnetic Radiation, The LASER;
Capacitor, Resistance, Battery, Absorbed Power
Circuit, Mesh, Node, Kirchhoff's Laws, Resistors in Series and Parallel; Ammeter and Voltmeter, RC Circuits, Electrical Systems and Safety
Vacuum and Semiconductor Diodes; Half-wave and Full-wave Rectifier; Three-phase Rectifiers; Cockcroft–Walton Rectifier-Multiplier
Measuring information; Representing numbers, text characters, image pixels; Image files, BMP, GIF, PNG and JPG.Image processing: Resolution, Contrast, Equalization, Gamma correction, Median filter noise removal; Automatic edge recognition
X-ray tube, braking and characteristic radiation, absorption and scattering, sensors, scanning and image reconstruction, CT number, fenestration, multiplanar reconstruction
Physical principles, Larmor frequency, Excitation, Transverse and Longitudinal relaxation, Echo time
Selection of a body section, Image reconstruction and k-space; Special applications: TOF angiography, Diffusion imaging and Tractography

Lectures, homework and correction of assignments in class

Professors