Regulus is the brightest star in the zodiacal constellation Leo. The waning gibbous moon shines close to the "kingly" star ...

Abstract: Binocular vision is a passive method of simulating the human visual principle to perceive the distance to a target. Traditional binocular vision applied to target localization is usually ...

Abstract: The Luneburg lens is of significant interest for microwave and optical devices due to its wide-angle focusing properties. However, the inhomogeneous refractive index of the lens is ...