Abstract: In central receiver systems, the ideal reflective shape of a heliostat is a section of a paraboloid that adapting with the sun's angle and the mirror's location in the field. Deviation from this shape leads to optical ...

Abstract: Nanosatellite 2 (NS-2) is a science and technology experimental nanosatellite developed by Tsinghua University. Since it was launched, NS-2 has operated properly and has been used as a low-cost, rapid-response satellite ...