Ka频段馈源多波束引导概率分析
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摘要
针对临近空间高动态飞行器的角度捕获引导问题,从馈源多波束引导与传统引导存在的差异入手,引入一次检测概率与持续检测概率的概念,并结合分组切换影响,设计给出馈源多波束系统引导概率分析方法。分析得出馈源多波束系统的四次引导概率能够超过99.5%,满足任务要求。该分析方法及给出的结论为Ka频段馈源多波束引导自跟踪的工程建设提供技术支持。
To implement the acquisition and guidance of near-space high dynamic spacecraft,beginning with the differences between the multi-beam parabolic antenna and the traditional coaxial antenna,the concept of one-time detection probability and continuous detection probability are introduced,as well as division switch factor,and the method for calculating the guiding probability of Ka-band multi-beam parabolic antenna is proposed in this paper.The analytic results show that the guiding probabilities of four-time guidance process are over 99. 5% which meets the project requirement. The method and conclusion provide technical supports for construction of the multi-beam parabolic antenna telemetry and tracking system.
To implement the acquisition and guidance of near-space high dynamic spacecraft,beginning with the differences between the multi-beam parabolic antenna and the traditional coaxial antenna,the concept of one-time detection probability and continuous detection probability are introduced,as well as division switch factor,and the method for calculating the guiding probability of Ka-band multi-beam parabolic antenna is proposed in this paper.The analytic results show that the guiding probabilities of four-time guidance process are over 99. 5% which meets the project requirement. The method and conclusion provide technical supports for construction of the multi-beam parabolic antenna telemetry and tracking system.
引文
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[2] MEIKLE H.Modern radar systems[M].2nd ed.Norwood:Artech House,2008:166-192.
[3] IUPIKOV O A,ROEV A A,IVASHINA M V.Prediction of far-field pattern characteristics of phased array fed reflector antennas by modeling only a small part of the arraycase study of spaceborne radiometer antennas[C]//Proceedings of 11th European Conference on Antennas and Propagation.Paris:IEEE,2017:2636-2639.
[4]顾敏剑.多波束比幅测向系统精度分析[J].舰船电子对抗,2007,30(3):70-73.
[5]施浒立.多波束抛物面天线设计的若干问题[J].微波学报,2001,17(3):81-86.
[6] CUI L,QI S,WU W,et al.High gain conical beam antenna array exploiting grating lobes[J].IEEE Transactions on Antennas and Propagation,2015,63(2):848-853.
[7] BARTON D K.雷达系统分析与建模[M].北京:电子工业出版社,2007:101-120.
[8]黄展.基于多波束抛物面天线的高动态目标角捕获[J].电讯技术,2011,51(12):4-8.
[9] WARNICK K F,MAASKANT R,IVASHINA M V.Highsensitivity phased array receivers for radio astronomy[C]//Proceedings of 2016 IEEE International Conference on Electromagnetics in Advanced Applications. Cairns:IEEE,2016:607-622.
[10] MONTERO J M,OCAMPO A M,FONSECA N J.C-band multiple beam antennas for communication satellites[J].IEEE Transactions on Antennas and Propagation,2015,63(4):1263-1275.