Indra二次雷达速度跳变分析处理

Analysis and Processing of Velocity Jump of Indra Secondary Radar

通过对航管二次雷达速度构成要素入手,分析排除一例Indra二次雷达速度跳变。首先排查Indra二次雷达速度计算软、硬件,该因素排除后。从雷达目标探测因素排查,确定为方位探测不准确引起该次速度跳变。分析单脉冲测角三要素,最终确定为旋转铰链故障引起差通道相位异常导致速度跳变。该分析排查对航管二次达目标速度相应故障排查有一定借鉴意义。

In this paper,through the analysis of the velocity components of the secondary radar of air traffic control,a case of Indra secondary radar velocity jump is excluded.First,check the software and hardware of Indra secondary radar velocity calculation,and then remove the factor.From the investigation of radar target detection factors,it is determined that the velocity jump is caused by inaccurate azimuth detection.By analyzing the three elements of monopulse angle measurement,it is finally determined that the velocity jump is caused by the abnormal phase of the differential channel caused by the rotating hinge fault.The analysis and troubleshooting has a certain reference significance for the troubleshooting of ATC's secondary target velocity.