摘要
讨论了理想情况下的旁瓣对消系统,分析了目标信号效应对旁瓣对消系统性能的影响,推导出了考虑目标信号效应时的权值和对消比的表达式,并以只有一个辅助通道的旁瓣对消系统为例,推导得到:目标信号对旁瓣对消系统性能的影响程度主要取决于辅助通道收到的目标信号强度,目标信号越强,目标信号效应的影响越明显。最后通过计算机仿真验证了理论分析的正确性。
Target signal effect on sidelobe canceller is unavoidable. First of all, the effect of target signal on the performance of sidelobe canceller by comparing with ideal sidelobe canceller is analyzed in the paper, and the expression of weights vector and cancellation ratio is deduced. Secondly, under the circumstance of the sidelobe canceller with single auxiliary channel, it is proved that the stronger the target signal the stronger the effect of the target signal on the pefformance of the sidelobe canceller, and vice versa . Finally, simulation results show its validity.
出处
《中国电子科学研究院学报》
2008年第5期493-496,514,共5页
Journal of China Academy of Electronics and Information Technology
关键词
目标信号效应
旁瓣对消
对消比
干信比
target signal effects
sidelobe canceller
cancellation ratio
jamming to signal ratio
