On cold clear winter nights and mornings these echoes may become stronger and increase in number due to downward refraction of the radar beam by the cold air near the Earth's surface.

On cold clear winter nights and mornings these echoes may become stronger or increase in number due to downward refraction of the radar beam. During strong winds and very rough seas, sea clutter may ...

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"Energy is power [multiplied by] time — so to get a given amount of energy from a beam, you either need very high power or you need to stay in the beam a long time." One such solution that was ...

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Recent research has focused on enhancing the accuracy and reliability of these measurements, addressing challenges such as beam refraction and structural vibrations that can affect data quality.

1. The intensity of echoes tends to decrease with increasing distance from the radar. This is because: a) The radar beam broadens with distance, thus decreasing the proportion of the beam which is ...