略語大辞典 [C] 20 CSO composite second-order (distortion) (多重化変調信号の)複合二次歪率. 光ファイバー ケーブルテレビシステムなどでの変調の二次歪率.composite second-order (distortion); of a multiplexed modulated signal; e.g. in a fiber-optic cable TV system; measured in unit dBc as compared to the carrier intensity; ref. CTB(composite triple beat di 丸善「略語大辞典」JLogosID : 11870536