Detection of Objects Buried in Sandy Ground by a Synthetic Aperture FM-CW Radar (Special Issue on Radar Technology)
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概要
- 論文の詳細を見る
An FM-CW radar system for the detection of objects buried in sandy ground is explored and is applied to a field measurement. The key factors for underground FM-CW radar performance are the center frequency and bandwidth determining the depth at which the radar can detect targets and the resolution in the range direction. In order for FM-CW radar sounding, two ridged horn antennas are employed in the system, which are operative in the frequency range of 250-1000 MHz. The impedance matching to the ground is optimized by measuring the echo strength from a fixed target as a function of the spacing interval between the antenna aperture and the ground surface. It is shown that the radar with an output power of 18 dBm could detect a metallic plate (30×100 cm) and a pipe (10 cmφ) buried at the depth of 1.2 m. Also the synthetic aperture technique together with an averaging and subtracting method produced fine image in shallow region up to 100 cm in the sandy ground.
- 社団法人電子情報通信学会の論文
- 1993-10-25
著者
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Yamaguchi Yoshio
Faculty of Engineering, Niigata University
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Sengoku Masakazu
Faculty of Engineering, Niigata University
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Yamaguchi Yoshio
Faculty Of Engineering Niigata University
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Sengoku Masakazu
Dept. Of Information Engineering Niigata University
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Sengoku Masakazu
Faculty Of Engineering Niigata University
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Sengoku Masakazu
The Authors Are With The Department Of Information Engineering Niigata University
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