对于不同GNSS星历生成ARAIM性能，并完成多星历双接收机时钟偏差的故障假设。在GPS星历中计算“普通地表”坐标系中的卫星位置。(For different GNSS ephemeris generation ARAIM performance, fault hypothesis and complete calendar double satellite receiver clock bias. In the GPS ephemeris, the position of the satell