Observation Angles

Observation angles refer to the angles between the line of sight from a sensor to a target and the local normal to the target surface. In space and astronautical engineering, observation angles are important for remote sensing applications, such as Earth observation, planetary exploration, and space situational awareness. The observation angles affect the spatial resolution, radiometric accuracy, and geometric distortion of the acquired images or data. Therefore, the observation angles need to be carefully designed and optimized for specific missions and objectives. The observation angles can be affected by various factors, such as the altitude and inclination of the sensor, the rotation and shape of the target, the atmospheric and illumination conditions, and the sensor characteristics and limitations.
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