敌我雷达识别系统干扰防护比较分析

IF 0.2 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia Pub Date : 2022-12-30 DOI:10.30837/rt.2022.4.211.08
I. Svyd, M. Tkach, I. Obod
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引用次数: 0

摘要

从抗扰度评价的角度,对现有基于敌我特征的雷达识别系统进行了研究。目前,基于“敌我”特性的雷达识别有两种系统,即“Password”和MkXIIA。它们是基于“内外”特征的雷达识别系统。指定系统的前者工作在与二次雷达系统的频率范围不同的频率范围内,后者工作在二次雷达的频率范围内。这些系统是空域管制系统的主要信息资源之一,其原理是单通道或双通道信息传输系统。它一方面允许利益方未经授权使用这些信息资源远程确定空中物体的坐标,另一方面也允许扭曲这些信息资源的信息,从而导致不可预测的结果。这项工作的目的是评估基于“敌我”特征的现有雷达识别系统的抗扰度。本文在提出的询问和非询问信息系统原理的基础上,对基于敌我特征的现有目标雷达识别系统的干扰防护进行了分析,结果表明,使用时间脉冲调制的矩形无线电信号作为空中目标发出的请求和响应信号,抗干扰性低,排除了空中目标应答者的能量隐身性。因此,它允许利益方根据发射的“敌我”识别信号未经授权计算空中物体的坐标。
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Comparative analysis of interference protection of "Friend-Foe" radar identification systems
The paper examines the existing systems of radar identification based on the "friend-foe" feature from the point of view of immunity evaluation. Currently, there are two systems of the radar identification based on the characteristic of "friend-foe", namely, the "Password" and MkXIIA. They are the radar identification systems based on the "home-foreign" feature. The former of the specified systems operates in a frequency range that differs from the frequency range of secondary radar systems, while the second one operates in the frequency range of secondary radar. These systems are ones of the main information resources of the airspace control system and are built on the principles of a one-channel or two-channel information transmission system. It allows the interested party, both an unauthorized use of this information resource for remote determination of the coordinates of aerial objects, on the one hand, and twisting the information of these information resources, on the other hand, which leads to unpredictable results. The purpose of the work is to assess the immunity of existing radar identification systems based on the "friend-foe" feature. The analysis of the interference protection of existing systems for the object radar identification based on the "friend-foe" feature, built on the principles of interrogative and non-interrogative information systems presented in this work, showed that the use of rectangular radio signals with time-pulse modulation as request and response signals emitting by air objects, has low immunity and excludes the energy stealthiest of the respondents of aerial objects. And, as a result, it allows for unauthorized calculation of the coordinates of air objects by the interested party based on the emitted identification signals on the basis of "friend-foe".
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Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia
Visnyk NTUU KPI Seriia-Radiotekhnika Radioaparatobuduvannia ENGINEERING, ELECTRICAL & ELECTRONIC-
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