Lectures related to Extremely low frequency

Explores the radiation impedance of a piston on a screen using COMSOL Multiphysics, focusing on resistance, mass, and impedance expressions.

Covers Proportional Derivative (PD) Control, feedback interpretation, and derivative action implementation in circuits.

Explores sound field reconstruction at low frequencies in rooms, emphasizing room modes, modal decomposition, and numerical validation.

Explores electroacoustic absorbers as perfect anechoic terminations at low frequencies, presenting experimental evaluation and future perspectives.

Explores impedance, wave behavior, and equivalent diagrams in electroacoustics, focusing on tube length, terminal impedance, and wave transmission.

Introduces the equalization of room modes using electroacoustic absorbers in low frequencies.

Explores the sizing and characteristics of a closed subwoofer enclosure and the impact of absorbent materials on speaker volume.

Explores the vast spectrum of electricity, from nanoscale currents to megavolt lightning strikes.

Introduces electroacoustic absorbers for room modal equalization, focusing on improving the listening experience at low frequencies.

Explores the use of electroacoustic absorbers to equalize room modes effectively.

Covers optical methods for improving image contrast using Fourier filtering techniques in a 4F optical setup.

Introduces the electrodynamic loudspeaker, explains radiation types, and discusses bandwidth zones.

Covers the solution and common mistakes in Assignment 1a on system design.

Covers the analysis of measurements and defects engineering in semiconductor devices, including density of states and defect probing.

Explores forced harmonic oscillators, resonance, and effects of damping on mechanical oscillators.