madalsageduselisi
Madalsageduselisi is a term encountered mainly in Estonian-language texts, typically interpreted as referring to devices, systems, or signals characterized by low frequencies. The exact scope of the term is not standardized, and its meaning can differ between disciplines such as electronics, acoustics, and geophysics.
From Estonian words for “low” and “frequency,” madal and sagedus, with a suffix forming a class designation,
In electronics or signal processing, madalsageduselisi might refer to low-frequency oscillators, filters, or modulators; in sound
Because there is limited scholarly usage and no widely recognized definition, madalsageduselisi is best treated as