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引用本文:赵志国, 丁原, 王雨, 房子成, 金颖涛. 某型空管雷达信号分析及其参数优化[J]. 雷达科学与技术, 2020, 18(3): 335-339.[点击复制]
ZHAO Zhiguo, DING Yuan, WANG Yu, FANG Zicheng, JIN Yingtao. Signal Analysis and Parameter Optimization of an Air Traffic Control Radar[J]. Radar Science and Technology, 2020, 18(3): 335-339.[点击复制]
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某型空管雷达信号分析及其参数优化
赵志国, 丁原, 王雨, 房子成, 金颖涛
1. 93534部队, 天津 301700;2. 中部战区空军参谋部, 北京100010
摘要:
为揭示某型新引进S波段空中交通管制一次雷达信号处理技术的新特点,基于理论和实际测试,详细分析了该型空管雷达的信号时序及其信号处理方法。结果表明,该型雷达根据精细的信号时序设计,严格管理雷达探测时间资源,并从目标和接收信道两个方面保持探测性能稳定;基于新的一次混频和开放的软件化设计理念,实现信号的接收与处理,且增加了数字波束选择方法;使用正切型非线性调频信号降低压缩后的距离旁瓣,并根据回波强度自适应消除旁瓣导致的虚警。最后,根据该型空管雷达的新特点,给出了参数优化的一般方法。相关结论对雷达操作使用和空管雷达论证等具有参考意义。
关键词:  空管雷达  信号处理  参数优化  软件化
DOI:DOI:10.3969/j.issn.1672-2337.2020.03.016
分类号:TN959
基金项目:
Signal Analysis and Parameter Optimization of an Air Traffic Control Radar
ZHAO Zhiguo, DING Yuan, WANG Yu, FANG Zicheng, JIN Yingtao
1. Unit 93534 of PLA, Tianjin 301700, China;2. The Staff of Central Theater Air Force, Beijing 100010, China
Abstract:
In order to reveal the new characteristics of the signal processing technology of a new imported S-band air traffic control primary radar, the signal timing and the signal processing method of the radar are analyzed in detail based on the theoretical and real tests. The results show that,with well-designed signal timing,the radar manages time resources strictly and maintains stable detection performance from the respects of targets and receiving channels. Based on the novel first mixing and open software design concept, the signal receiving and processing are realized, and a digital beam switching approach is added.A tangent-type nonlinear frequency modulation signal is used to reduce the side lobes after compression and the false alarms caused by side lobes are suppressed adaptively according to the amplitude of echo. Finally, following the new characteristics of this air traffic control radar, the general method of parameter optimization is given. The relevant conclusions have reference significance for the operation and demonstration of air traffic radar.
Key words:  air traffic control radar  signal processing  parameter optimization  software

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