The 714,566 hectare site comprises two distinct parts: the dormant volcanic Pinacate Shield of black and red lava flows and desert pavements to the east, and, in the west, the Gran Altar Desert with ...

Abstract: Camera calibration plays an important role in machine vision systems as it directly impacts the measurement accuracy. However, traditional calibration methods usually perform poorly when ...

Abstract: An S dual-band circular polarization phased array antenna is proposed in this paper. The antenna implements a laminated structure of a double-layer radiation patch to obtain dual frequencies ...