锚泊状态下船载测控系统对塔相位标校研究
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摘要
航天器海上测量船是搭载着船载测控系统的海上平台,主要完成对目标的海上测控任务;测量船在新建之时或大修之后均要对搭载的测控系统进行标校,主要是进行海上合作目标校飞;海上校飞过程中锚泊状态下天线对塔相位标校必不可少,对此进行研究有助于提高锚泊状态下对塔相位标校过程的认识,提升船载测控系统的标校精度;研究过程首先分析了我国测量船所采用的差模双通道单脉冲雷达的跟踪原理和天线对塔校相原理,然后再结合锚泊状态下大型海上测量船的运动规律,建立了船体运动对锚泊状态下对塔校相精度影响的数学模型,最后在远场条件下对数学模型进行了的仿真,分析了测量船锚泊时不同运动模式对相位标校的影响,并进一步给出了锚泊状态下船载测控天线对塔校相的建议。
An instrumentation ship of spacecraft is an offshore platform with ship-borne TT&C system.Its role is to marine measurement and control mission.When the instrumentation ship is built or overhauled,the ship-borne TT&C system shall be calibrated.The tower phase calibration for ship-borne TT&C system at anchor is essential.This study will help to improve the understanding of the calibration process of tower phase calibration under mooring conditions and improve the calibration accuracy of ship-borne TT&C system.Based on the differential mode tracking principle and phase calibrating principle of dual-channel monopulse radar,the relationship between phase calibration error and ship movement was analysed and simulated under the condition of far field.According to the simulation conclusion,some proposals about phase calibration of ship-borne TT&C system at anchor are offered in this paper.
An instrumentation ship of spacecraft is an offshore platform with ship-borne TT&C system.Its role is to marine measurement and control mission.When the instrumentation ship is built or overhauled,the ship-borne TT&C system shall be calibrated.The tower phase calibration for ship-borne TT&C system at anchor is essential.This study will help to improve the understanding of the calibration process of tower phase calibration under mooring conditions and improve the calibration accuracy of ship-borne TT&C system.Based on the differential mode tracking principle and phase calibrating principle of dual-channel monopulse radar,the relationship between phase calibration error and ship movement was analysed and simulated under the condition of far field.According to the simulation conclusion,some proposals about phase calibration of ship-borne TT&C system at anchor are offered in this paper.
引文
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[2]毛南平,丛波.近场效应对一种C频段统一测控雷达角度标校数据的影响分析[J].电讯技术,2004,48(4):65-68.
[3]魏明山,葛铁志,杜潇淞,等.大口径天线多模馈源跟踪系统校相参数的计算[J].电讯技术,2015,55(7):741-745.
[4]胡乐宏.波束波导天线馈源与校相技术研究[D].南京:南京理工大学,2012.
[5]瞿元新,毛南平.船载X频段微波统一测控系统快速校相方法[J].遥测遥控,2014,45(3):69-72.
[6]苏勋,席文君,等.双通道跟踪接收机对地校相技术[J].电讯技术,2012,52(3):268-272.
[7]张振庄,耿大孝.船载天线动态校相技术研究与实现[J].无线电通信技术,2015,41(1):52-55.
[8]瞿元新.船载微波统一测控系统概论[M].北京:国防工业出版社出版,2015.
[9]刘童岭,邵长宝,周成刚.船载雷达无塔动态相位标校方法研究[J].科学技术与工程,2011,24(8):5989-5993.
[10]仇三山.双通道单脉冲跟踪快速校相改进算法[J].四川兵工学报,2013,34(5):96-98.
[11]宋扬.基于AIS数据的大型船舶锚泊半径及船间距的研究[D].大连:大连海事大学,2010.