waveguide impedance transformer

例句：

1. 1.The waveguide impedance transformer is used to adjust the signal strength in a wireless network.
   波导阻抗变换器用于调整无线网络中的信号强度。
2. 2. The design of the waveguide impedance transformer plays a crucial role in the performance of the wireless communication system.
   波导阻抗变换器的设计对无线通信系统的性能起着至关重要的作用。
3. 3. The waveguide impedance transformer is an essential component of the antenna array, which helps to improve the directional characteristicsof the antenna.
   波导阻抗变换器是天线阵列中的一个重要组件，它有助于提高天线的方向特性。