上海科技大学知识管理系统

The rapid deployment of satellite constellations has propelled the swift development of the satellite industry. Low-cost solutions spanning the entire industry chain will significantly accelerate the improvement of satellite internet. On the user side, phased array antenna terminals are gradually replacing reflector antennas, yet the ensuing challenges of hardware architecture and costs. Lowering the resolution of phase shifter is one solution, but this may result in a loss of beam pointing accuracy. A novel two-stage phase shifter phased array architecture is proposed, coupling subarray division with mixed-resolution phase shifters to reduce costs while ensuring the beam performance. The architecture boasts low complexity and ease of implementation. Simulation results demonstrate the balanced performance of this architecture in scanning accuracy and beam sidelobes, marking a promising path for industrial applications.