Fold radar refers to a radar system where the radar antenna is intentionally aimed at the target direction, usually to improve radar performance or achieve specific operational objectives. This technique can improve radar coverage, reduce interference, or improve resolution in certain applications by exploiting the geometric properties of the radar and the radar cross section of targets.
The fold angle in radar refers to the angle between the direction of the radar beam and the line perpendicular to the target surface. It is a crucial parameter that affects radar performance, including resolution and Doppler shift measurements. Adjusting the berth angle can optimize radar operations for different purposes, such as reducing clutter or improving target discrimination.
The fold angle of a satellite refers to the angle between the satellite’s orbital plane and the plane perpendicular to the Earth’s surface at the target location. This angle affects how the satellite’s sensors observe the Earth’s surface, influencing imaging and communications capabilities. Ground angle optimization helps maximize the efficiency and accuracy of data collection in satellite applications.
A bending beam in radar refers to a radar beam that is deliberately directed away from the normal direction or off to the end. This technique is used to achieve specific radar performance characteristics, such as sidelobe reduction, improved target discrimination, or coverage optimization in non-traditional radar applications.
Calculating the ply of the beam consists of determining the angular difference between the theoretical or predicted direction of the radar beam and its actual direction. This calculation examines factors such as antenna tip errors, platform movement, and environmental conditions that can affect the radar’s beam alignment. Accurate calculation of beam folds is crucial to maintaining radar performance and efficiently achieving operational objectives.