计算机科学 ›› 2017, Vol. 44 ›› Issue (2): 163-170.doi: 10.11896/j.issn.1002-137X.2017.02.025
刘春玲,张自豪
LIU Chun-ling and ZHANG Zi-hao
摘要： 通过分析北斗接收机在复杂干扰环境下的性能问题,为抗干扰研究提供了更为专业的理论依据,在卫星导航直接序列扩频通信系统模型的基础上对导航系统在干扰下的误码率、等效载噪比及捕获能力等性能方面进行对比分析,并采用Matlab进行数字仿真。仿真结果表明,窄带干扰比均匀频带干扰对接收机的影响更大,导航信号的性能降低程度与干扰信号带宽及干扰实施的频率等因素有关,导航信号性能改善需要考虑以上多种因素的影响。
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