頻率分集陣列在角度欺騙中的應(yīng)用分析
發(fā)布時(shí)間:2018-12-12 17:51
【摘要】:針對(duì)傳統(tǒng)相控陣?yán)走_(dá)易被干擾機(jī)偵察到方位信息從而實(shí)施干擾的問題,提出了一種基于FDA(頻率分集陣列)的角度欺騙方法。通過在陣元間設(shè)定微小的線性頻率差,將距離引入到FDA方向圖函數(shù),使得不同距離上的電磁波能量分布呈現(xiàn)彎曲特性,形成"虛擬輻射源",進(jìn)而達(dá)到對(duì)偵察接收機(jī)的角度欺騙目的。此外,在分析欺騙原理的基礎(chǔ)上,探究了頻率差因子、陣元間距因子對(duì)欺騙的影響效果。Matlab仿真結(jié)果表明,在設(shè)定合適的因子后,對(duì)于特定距離處的目標(biāo)該方法角度欺騙效果可達(dá)90°。
[Abstract]:Aiming at the problem that traditional phased array radar is easy to detect azimuth information by jamming machine, a method of angle deception based on FDA (Frequency Diversity Array) is proposed. By setting a small linear frequency difference between the array elements and introducing the distance into the FDA pattern function, the energy distribution of the electromagnetic wave at different distances presents a bending characteristic, forming a "virtual radiation source". And then achieve the purpose of angle deception to the reconnaissance receiver. In addition, on the basis of analyzing the deceptive principle, the effect of frequency difference factor and array cell spacing factor on deception is discussed. The Matlab simulation results show that, after setting the appropriate factor, The angle deception effect of this method can reach 90 擄for the target at a specific distance.
【作者單位】: 空軍工程大學(xué)防空反導(dǎo)學(xué)院;
【基金】:航空科學(xué)基金(20152096019;20145596025)
【分類號(hào)】:TN958.92
[Abstract]:Aiming at the problem that traditional phased array radar is easy to detect azimuth information by jamming machine, a method of angle deception based on FDA (Frequency Diversity Array) is proposed. By setting a small linear frequency difference between the array elements and introducing the distance into the FDA pattern function, the energy distribution of the electromagnetic wave at different distances presents a bending characteristic, forming a "virtual radiation source". And then achieve the purpose of angle deception to the reconnaissance receiver. In addition, on the basis of analyzing the deceptive principle, the effect of frequency difference factor and array cell spacing factor on deception is discussed. The Matlab simulation results show that, after setting the appropriate factor, The angle deception effect of this method can reach 90 擄for the target at a specific distance.
【作者單位】: 空軍工程大學(xué)防空反導(dǎo)學(xué)院;
【基金】:航空科學(xué)基金(20152096019;20145596025)
【分類號(hào)】:TN958.92
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【共引文獻(xiàn)】
相關(guān)期刊論文 前5條
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