侦察雷达天线扫描周期对抗估计方法

doi:10.3969/j.issn.1001-2400.2018.04.028

Abstract

Abstract:

This paper focuses on the problem of accurately estimate the scanning cycle of the reconnaissance radar by using the single one Unmanned Aerial Vehicle (UAV). The Main-Bean Pattern (MBP) of the radar antenna is reconstructed effectively according to the received radar pulses signals based on the norm approximation algorithm. For the traditional Pulse Doppler (PD) radar, the fitting then average method and average then fitting method are proposed to approximate the MBP of the radar antenna. The obtained MBP curve can be utilized to accurately estimate the scanning cycle of the reconnaissance radar. In the simulation section, the validity and the robustness of the proposed methods are verified through the performance comparison. The results indicate that when the receiving signal-noise-ratio (SNR) is high, the average then fitting method can be better close to or even reach Cramer-Rao Lower Bound (CRLB) performance.

Key words: reconnaissance radar, scanning cycle, unmanned aerial vehicle, main beam pattern

MA Xiao;ZHANG Hailin;HAO Benjian;WAN Pengwu. Method for the estimation of the scanning cycle for countering the reconnaissance radar[J].Journal of Xidian University, 2018, 45(4): 161-165+180.

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Method for the estimation of the scanning cycle for countering the reconnaissance radar

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