数据链系统抗干扰性能提升的工程实现方法

Engineering Implementation Methods of Anti-interference Performance Improvement for Data Link System

针对人为干扰、民用通信干扰以及电磁信号串扰对数据链系统性能的影响,开展了提高数据链系统抗干扰性能的工程实现方法研究。在不增加系统硬件复杂度的前提下,采用频域隔离、通道滤波、自动增益控制、抗混叠等抗干扰技术,通过改变系统的工程设计参数,提高数据链系统在强干扰、小信号条件下的通信能力。仿真试验结果表明:采用所提工程实现方法,数据链系统在干扰环境下的可靠通信性能得到了有效提升。

Aiming at the effects of man-made interference,civilian communication interference and strong electronic signal crosstalk for data link system,the engineering implementation methods of improving anti-interference performance for data link system were studied.Without increasing hardware complexity,the technologies such as frequency domain isolation,channel filtering,automatic gain control,anti-aliasing were used to change the engineering design parameters of data link system,and improve the communication ability of data link system under strong interference.The simulation experimental results show that the communication reliability of the data link system in complex electromagnetic environments is effectively improved by using the proposed engineering implementation methods.