• Propagation characteristic of UHF radio wave in rectangle, circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.

    研究UHF频段的无线电波在矩形、圆形和拱形隧道中的传播特性,推导了衰减常数的计算公式。

    youdao

  • Propagation characteristic of UHF radio wave in rectangle, circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.

    研究UHF频段的无线电波在矩形、圆形和拱形隧道中的传播特性,推导了衰减常数的计算公式。

    youdao

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