The results show that a tunnelradio signal consists of a summation of many propagation modes.
研究结果显示：矩形隧道电磁波的传播，是由多种模式共同作用的结果。
2
The use and applicative effects of radio wave tunnel perspective instrument in Wangzhuang Coal Mine are introduced. And some further more improving opinions appearing in use are provided.
介绍了无线电波坑道透视仪在王庄煤矿的使用及应用效果，对仪器使用中出现的一些问题，提出了改进意见。
3
Between 1305-1365 trenches in a geologic forecast and radio waves Tunnel tomography detection of combining integrated positioning forecasting methods;