composite signal

例句：

1. 1. The company uses a composite signal to improve its network performance.
   该公司使用复合信号来提高其网络性能。
2. 2.In the field of communication, composite signals are used to transmit different types of information simultaneously.
   在通信领域，复合信号被用来同时传输不同类型的信息。
3. 3. The engineers developed a new algorithm to process composite signals more efficiently.
   工程师们开发了一种新的算法，以更有效地处理复合信号。