一种基于误差电压比例记忆的无塔校相方法.PDFVIP

第55 卷 第9 期 电讯技术 Vol. 55 ,No. 9 2015 年9 月 Telecommunication Engineering September ,2015 doi :10 . 3969/ j . issn. 100 1-893x. 20 15 . 09 . 0 12 引用格式:尚建忠,王青松,王新宏. 一种基于误差电压比例记忆的无塔校相方法[J ]. 电讯技术,20 15 ,55 (9 ) :10 14 - 10 18. [SHANG Jianzhong , WANG Qingsong ,WANG Xinhong. A Towerless Phase Calibration Method Based on Record of Error Voltage Ratio [J ]. Telecommunication En鄄 gineering ,20 15 ,55 (9 ) :10 14 - 10 18. ] 一种基于误差电压比例记忆的无塔校相方法* ** 尚建忠 ,王青松,王新宏 (西安卫星测控中心,西安7 10043 ) 摘摇 要:针对大部分航天测控站下行链路校相功能还依赖标校塔的现状,分析了偏馈模式和有线模 式下方位、俯仰误差电压比例值保持稳定的原理,提出了利用该稳定性实现测控站无塔校相的方法。 实验证明,利用该方法得到的校相结果交叉耦合小于七分之一,定向灵敏度满足要求。 该方法解决 了设备组合变更或设备检修后需要重新标定的问题,可应用于双通道跟踪体制的统一测控系统,具 有很强的实用性。 关键词:统一测控系统;双通道跟踪体制;无塔校相;误差电压比例 中图分类号:TN953摇 摇 文献标志码:A摇 摇 文章编号:100 1-893X (20 15 )09 - 10 14 -05 A Towerless Phase Calibration Method Based on Record of Error Voltage Ratio SHANG Jianzhong ,WANG Qingsong ,WANG Xinhong (Xi 忆an Satellite Control Center ,Xi 忆an 7 10043 ,China ) Abstract:According to the situation that most down-link phase calibration methods of space tracking sta鄄 tion need calibration tower ,this paper analyzes the theory of error voltage ratio keeping stability under offset -feed mode and radio frequency (RF ) loop mode. A towerless phase calibration method based on this sta鄄 bility is proposed. Experiments prove that in the phase calibration results through this method ,the cross - coupling is less than 1/ 7 and the directional sensitivity meets the requirement. The method solves