全尺寸运载火箭实时动态轨迹RCS建模与验证

IF 0.8 4区 工程技术 Q3 MULTIDISCIPLINARY SCIENCES
Surender Veerabathini, Sudhakara Reddy Penubolu, Ramana Reddy Penubolu
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引用次数: 0

摘要

雷达截面(RCS)在探测和跟踪运载火箭、导弹、飞机等天基目标方面发挥着重要作用。在空间应用中,雷达系统用于跟踪和提供卫星运载火箭从发射台升空后的实时轨迹信息,以保证射程安全。RCS是决定雷达跟踪性能的关键参数,它高度依赖于雷达工作参数和目标特性。对于天基应用,需要大量的RCS来实现雷达的快速探测和连续跟踪。为了选择最佳的雷达跟踪配置对运载火箭进行实时跟踪,需要对运载火箭发射前的RCS波动进行建模和仿真,以预测运载火箭完整动态轨迹的实时信噪比。这种建模和仿真方法将有助于在实时发射中选择最佳的雷达配置以获得良好的信噪比。为雷达实时跟踪空间目标的有效操作提供了良好的指导。本文利用基于物理光学的EM软件,在发射前对典型ISRO运载火箭的动态轨迹进行仿真,验证了实时RCS波动。利用单站雷达实时跟踪数据对仿真结果进行了验证,结果吻合较好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
RCS Modeling and Validation of Full Scale Launch Vehicle for its Real Time Dynamic Trajectory
Radar Cross Section (RCS) plays a significant role in detecting and tracking the space-based objects such as launch vehicles, missiles, aircrafts etc. In space applications, Radar systems are used to track and provide real-time trajectory information of the satellite launch vehicles after the lift off from the launch pad for range safety purpose. RCS is a critical key parameter that determines tracking performance of the Radar and it is highly dependent on both Radar operating parameters and the target characteristics. For space-based applications, a good quantity of RCS is required for quick detection by the Radar for continuous tracking. In order to choose the best Radar tracking configuration for real time tracking of the launch vehicle, it is required to model and simulate the launch vehicle’s RCS fluctuations prior to launch in order to predict the real time Signal to Noise Ratio (SNR) for its complete dynamic trajectory. This modeling and simulation methodology will help to choose the optimum Radar configuration for obtaining a good quantity SNR in the real-time launch. This study also provides good guidance to Radar operators for the effective Radar operation during real time space object tracking. This paper demonstrates, the real-time RCS fluctuations of a typical ISRO launch vehicle through simulation for its dynamic trajectory using physical optics based EM software prior to launch. Furthermore, the simulation results are validated with real time monostatic Radar tracking data, which showed good agreement.
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来源期刊
Defence Science Journal
Defence Science Journal 综合性期刊-综合性期刊
CiteScore
1.80
自引率
11.10%
发文量
69
审稿时长
7.5 months
期刊介绍: Defence Science Journal is a peer-reviewed, multidisciplinary research journal in the area of defence science and technology. Journal feature recent progresses made in the field of defence/military support system and new findings/breakthroughs, etc. Major subject fields covered include: aeronautics, armaments, combat vehicles and engineering, biomedical sciences, computer sciences, electronics, material sciences, missiles, naval systems, etc.
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