sonars声母sonarn.声纳；声波定位器sonar transducer array声纳基阵sonar interrogator set声纳询问器sonar echo sounder set声纳回声探sonar image enhancement声纳图像增强sonar counter-jamming声纳抗干扰sonar dome loss pattern声呐导流罩损失图案sonar SSB communication声纳单边带通信设备sonar detecting platoon声测排sonar detecting station声测站sonar signal processing声纳信号处理