高圧送電線のミリ波帯レーダによる検知

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書誌事項

タイトル別名
  • Power Transmission Line Detection with Millimeter-Wave Radar
  • 高圧送電線のミリ波帯レーダによる検知〔質疑応答〕
  • コウアッソウ デンセン ノ ミリ ハタイ レーダ ニ ヨル ケンチ シツギ オウトウ

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抄録

For aircraft and helicopter navigation in low altitude, it is required to get a clear flight path since there are many hazardous conditions to collide with hills, mountains and other objects. Especially, high-voltage power transmission line might be an extremely dangerous object because its contrast is the almost same as background. In this paper, the power transmission line detection with millimeter-wave radar at 94GHz and 35GHz is presented for the purpose of helicopter collision avoidance. For the first step, we numerically investigate the radar cross section of the power line by means of the physical optics method (PO). Next, the Monte Carlo simulation is carried out for the investigation of the detection performance. The results are shown that the probability of detection at 94GHz is superior to that at 35GHz due to the Bragg scattering phenomenon of the power line.

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