Syllabus
1. Mathematical basics - processing of measured quantities, sampling, Fourier transform, time and frequency filters, digital filtering.
2. Fluctuation of physical quantities, relaxations, noise. Mathematical description of fluctuations, basic theorems.
3. Noise - undesirable phenomenon, source of information. Noise and measurements - signal detection, sensitivity, noise, limits of measurements. Analog and digital measurements. Synchro-detection.
4. Electrical noise at charge transport and emission in simple systems. Noise: thermal, shot, generation -recombination, burst, flicker - 1/f. Noise figure, equivalent noise resistance. Noise in vacuum, semiconductor, low temperature and laser electronic elements. Noise measurements - methods.
5. Noise in thin films physics - contemporary questions and subjects of interest.
Annotation
Introduction into study of fluctuations in simple physical systems and electronic elements. Types of electrical noise (thermal, shot, generation-recombination, burst, excess - 1/f).
Fluctuations - source of information on system dynamics. Measurability and measurement of electrical quantities and noise, methods of data processing.