Schumann resonance

短语

词形变化

Schumann resonances 复数 Schumann resonances

释义与例句

n.
  1. 1.

    Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.

词源

Named after the physicist Winfried Otto Schumann, who predicted them mathematically in 1952.

来源：wiktionary