Research on Modeling and Simulation for Radio Communication and Its Jamming 无线通信及其干扰的建模与仿真研究
An operational principle of jamming of interrupted-sampling and direct repeater based on digital radio frequency memory was introduced, and its jamming effectiveness was analyzed. 以对线性调频脉冲压缩雷达进行干扰为背景,介绍了间歇采样直接转发干扰的原理与干扰效果。
The technical project of adaptive radio fuze jamming is designed and the signal modulation identification technique of radio fuze is analyzed. 设计了自适应无线电引信干扰技术方案,分析了无线电引信信号调制识别技术。
Radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain. 对于射频噪声,通过平均距离频频法和频域陷波的方法可以去掉;
The electromagnetism's environment in the air becomes complex day by day, various radio jamming occur at every turn, so the tasks of the radio monitoring are heavier than before. 空中电磁环境越来越复杂,无线电干扰时有发生,无线电监测的任务日趋繁重。
The noise jammer using digital radio frequency memory ( DRFM) technology, has the features of high frequency spot accuracy, narrow noise bandwidth and high jamming power efficiency, is effective in jamming against pulse Doppler ( PD) radar. 采用数字射频存储器(DRFM)技术的噪声干扰机,具有瞄频精度高、噪声带宽窄、干扰功率利用率高的特点,可对脉冲多普勒(PD)雷达实施有效干扰。
System parameters selection to improve the performance of ultra wideband impulse radio in presence of single-tone jamming 提高超宽带冲激无线电信号抗单频干扰能力的参数选择方法
The jamming dependency in the radio network is studied in this paper, and the number of jamming independent paths is calculated. 本文研究了无线网中干扰相关性,计算了理想拓扑的干扰独立路径数目的数目。
Application of Digital Radio Frequency Memory in Noise Jamming of Pulse Doppler Radar 数字射频存储器在脉冲多普勒雷达噪声干扰中的应用
System performance research of ultra-wide bandwidth radio in jamming environment 超宽带无线电抗干扰性能研究
In order to analyse the radio fuze jammed by active jamming, the detection signal is simulated. 为了分析无线电引信遭遇有源干扰时的工作情况,对引信的检波输出信号进行了仿真。
This paper discuss the types of active noise jamming and the feature of radio noise jamming, noise amplitude modulation jamming, noise frequency modulation jamming. The influence of active noise jamming on digital receiver performance is also illustrated. 讨论了有源噪声干扰信号的形式,压制性有源干扰中射频噪声干扰、噪声调幅干扰和噪声调频干扰的主要特性,以及有源噪声干扰对数字接收系统的性能影响。
Radio frequency interference will cause severe degradation on satellite communications link performance, and adaptive nulling antenna is an effective anti jamming measure for communication satellite. 射频干扰会严重影响卫星通信链路性能,而自适应调零天线是一种有效的卫星抗干扰措施。
For improve resistance capabilities of radio navigation systems to jamming and interception, FH/ DS hybrid spread spectrum technology applied in radio navigation system has an urgent need and great value. 为提高无线电导航系统抗干扰和抗截获的能力,将FH/DS混合扩频体制应用于无线电导航系统具有迫切的需要和巨大的应用价值。
Deceptive jamming to wideband radar is one of the important aspects in wideband radar Electronic Counter Measure ( ECM). Digital Radio Frequency Memory ( DRFM) with the characteristic of coherent storing and coherent repeating is widely used in deceptive jamming systems. 宽带雷达的欺骗干扰是目前宽带雷达电子干扰(ECM)的重要研究内容之一,数字射频存储器(DRFM)以其相参存储和转发的特性被广泛应用于欺骗干扰系统中。
As the radio fuze has been used widely, the study on method of fuze jamming and fuze anti-jamming capability evaluation becomes more important. 随着无线电引信的广泛应用,对无线电引信干扰方法以及对无线电引信抗干扰能力评估的研究显得越来越重要。