The shipborne radar antenna pattern at over-horizon object observation

摘要

The paper considers the possibilities for shipborne radar (/spl lambda/ = 4.5 cm) to detect over-the-horizon objects in higher refraction conditions. It is shown that, due to antenna pattern adaptation to high refraction coefficient gradients in the troposphere lower layers, the radar receiver output signal-to-noise ratio can increase by 20-23 dB.