linear attenuation

例句：

1. 1. In the study of radio waves, we need to consider the effects of linear attenuation.
   在研究无线电波时，我们需要考虑线性衰减的影响。
2. 2.The signal strength is reduced due to the linear attenuation in the transmission line.
   由于传输线上的线性衰减，信号强度减弱了。
3. 3. The data shows that the linear attenuation is not constant but varies with the frequency.
   数据显示，线性衰减并非恒定，而是随频率变化。