Yield locus is analyzed when antenna is controlled under either pt mode or at mode . double trapezium velocity locus is designed for pt mode while the helix search algorithm is designed for at mode 对程序跟踪( pt )模式和自动跟踪( at )模式下星间链路天线的运动规律进行分析,设计了梯形速度轨迹和螺旋扫描运动轨迹。
