Simulation results showed that, with the same roughness of a tunnel, both the delay spread and the signal attenuation varied with the carrier frequency.
结果表明，隧道中信号传输的时延扩展和信号的衰减均与载波频率有关。
Simulation results showed that, with the same roughness of a tunnel, both the delay spread and the signal attenuation varied with the carrier frequency.
结果表明，隧道中信号传输的时延扩展和信号的衰减均与载波频率有关。
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