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针对自跟踪天线数字引导数据出现的跳点现象,以典型的某船载雷达的数引算法为例,首先阐述了基于分析法轨道预报的计算流程,然后结合具体实例,运用图形仿真和静态与动态测试相结合的排查定位方法,按照轨道根数计算流程的逆过程逐渐追溯到问题的原因,即一阶短周期项计算环节存在数据跳变,并通过增加角度空间几何关系的限定条件最终成功解决了数引跳点问题。
Aiming at the jumping phenomenon of digital guidance data of self-tracking antenna, taking a typical number-based algorithm of some ship-borne radar as an example, the calculation flow of orbital forecasting based on the analysis method is described first. Then, combining with practical examples, Dynamic testing of the combination of investigation and location method, according to the calculation of the number of orbital roots of the inverse process gradually traced back to the cause of the problem, that is, the first-order short-term period of the calculation of the existence of data transitions, and by increasing the angle of the geometric constraints of the ultimate success Solve the number of jumping point problem.