运载火箭电磁环境测量方法研究

摘要

Objective To research characteristics of the electromagnetic environment of the launch vehicle, put forward a measuring method for external and internal electromagnetic environment.Methods In view of the external electromagnetic en-vironment, the measuring method of unknown electromagnetic environment and evaluation method of measured data for the launch vehicle were researched; in view of the internal electromagnetic environment, the correction factor of the small antenna and the measurement was studied.Results The feasibility of the method was verified by experiment. The feasibility of measur-ing the internal electromagnetic environmentwith small antenna was also verified.Conclusion The measuring method designed for electromagnetic environment could be used to measure unknown environment and narrow and small space electromagnetic environment. It provides a data basis for electromagnetic compatibility design of launch vehicle..%目的 研究运载火箭所面临电磁环境的特点,提出外部电磁环境和内部电磁环境的测量方法.方法 针对运载火箭面临的外部电磁环境,研究对未知电磁环境的测量方法和测量数据的评估方法.针对内部的电磁环境,研究小型测量天线和测量时天线的修正系数.结果 通过实验验证了对未知电磁环境测量方法的可行性,验证了使用小型化天线开展内部电磁环境测量的可行性.结论 设计的电磁环境测量方法可以实现对未知环境的测量,可以实现对狭小空间电磁环境的测量,能为运载火箭电磁兼容性设计提供数据依据.