combined harmonic antenna

例句：

1. 1. The combinedharmonic antenna is designed to improve the signal quality of wireless communication systems.
   组合谐振天线旨在提高无线通信系统的信噪比。
2. 2. This antenna combines both the advantages of a dipole and a monopole to provide better coverage and performance.
   这种天线结合了偶极子和单极子的优点，以提供更好的覆盖范围和性能。
3. 3. The engineers developed a new design for the combined harmonic antenna that could reduce interference and enhance signal strength.
   工程师们开发了一种新型的复合谐振天线设计，可以降低干扰并增强信号强度。