広・狭ビームを用いた海面反射妨害抑制方式
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概要
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For the purpose of sea-clutter suppression, a new radar sysem is presented which can detect weaker signals among the clutter. The principle of this system is based upon the fact that sea-clutter level depends on the radar beam width, while the reflected signal level from a small target does not. In this system, wide and narrow beams are used. Then discrimination of the signals from the clutter is performed by detecting the quotient of the two receiver outputs corresponding to wide and narrow beams. This system may be effective to rain, snow, fog and cloud-clutter, too.
- 1976-01-20