ELECTRICAL AND ELECTRONIC MEASUREMENTS
Learning outcomes of the course unit
The course proposes to provide to the students the basic elements to understand the measurement methods and the technical features of the electronic equipments exploited in acoustics.
Course contents summary
Main elements of measurement theory. Measurements units and standard units. Accuracy and resolution. Instrument calibration.
Measurements in acoustics. Main physical parameters and their own measurements units: sound intensity and pressure, power, acoustic impedance. Sound levels and decibel (dB).
Measurement electronic instruments. Main measurement methods.
Analog circuits. - Amplifiers, filters, modulators. – Time domain and frequency domain – Frequency spectrum.
Digital circuits. - Sampling and binary code. – Analog to digital and digital to analog converters. – logic circuits and counters.
Microprocessor and DSP architectures and main features.
Examples of applications of electronic circuits in acoustic.