noun
spread spectrum communication
Technical term in computing and telecommunications for a method of spreading a signal across a wider frequency band than necessary.
スペクトラム拡散通信は、耐干渉性に優れている。
Spread spectrum communication has excellent interference resistance.
Compound of スペクトラム (from English 'spectrum') + 拡散 (diffusion, spreading) + 通信 (communication).