signal enhancement

例句：

1. 1.The new signal enhancement system greatly improved our communication efficiency.
   新的信号增强系统极大地提高了我们的通信效率。
2. 2.The engineer used a signal enhancement algorithm to improve the quality of the transmission signal.
   工程师使用一种信号增强算法来提高传输信号的质量。
3. 3.In order to enhance the security of the communication system, we need to implement signal enhancement techniques.
   为了提高通信系统的安全保障，我们需要实施信号增强技术。