spektrálfüggvényelmélet
Spektrálfüggvény is a Hungarian term that translates to "spectral function" in English. It is a mathematical concept used in various fields, particularly in physics and signal processing, to describe the distribution of a quantity over a spectrum of frequencies or energies.
In physics, a spectral function can represent the density of states of a quantum system, indicating how
In signal processing, a spectral function, often referred to as a power spectral density or energy spectral