noun
spectral efficiency
Technical term in computing and telecommunications, measuring how efficiently a given bandwidth is used to transmit data.
5Gでは周波数利用効率が大幅に向上した。
In 5G, spectral efficiency has improved significantly.
この変調方式は周波数利用効率が高い。
This modulation scheme has high spectral efficiency.
帯域幅効率 is sometimes used interchangeably, but 周波数利用効率 is the more common term in Japanese technical literature.
Compound of 周波数 (frequency), 利用 (utilization), and 効率 (efficiency). A direct translation of the English term 'spectral efficiency'.