path attenuation造句
例句與造句
- However, the strength of the signal received will vary widely, depending on the power and distance of the transmitter, and signal path attenuation.
- VLF waves have very low path attenuation, 2-3 dB per 1000 km, with little of the " fading " experienced at higher frequencies, This is because VLF waves are reflected from the bottom of the ionosphere, while higher frequency shortwave signals are returned to Earth from higher layers in the ionosphere, the whistlers ", caused by lightning.
- It's difficult to find path attenuation in a sentence. 用path attenuation造句挺難的