signal conditioner

例句：

1. 1. The signal conditioner is designed to improve the quality of the audio signals.
   信号调节器旨在提高音频信号的质量。
2. 2.The engineer used a signal conditioner to boost the strength of the weak signal.
   工程师使用信号调节器来增强弱信号的强度。
3. 3. The signal conditioner was crucial in transmitting clear and uninterrupted audio signals over long distances.
   信号调节器在通过长距离传输清晰且无中断的音频信号方面至关重要。