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PN Signal as a New Illuminator of Opportunity for Passive Radar Applications

机译:PN信号作为被动雷达应用的机会的新照明器

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摘要

In this letter, we use the known pseudorandom noise (PN) signal in the digital television terrestrial multimedia broadcasting (DTMB) system as a new illuminator of opportunity for the passive radar. We propose a computationally efficient signal processing method for the PN-based passive radar (PNPR). The proposed method takes advantage of the distinctive structure of the PN signal and constructs a locally remapped PN signal. The circular cross-correlation between the remapped PN signal and the original PN signal is an ideal impulse function. Thus, the PNPR even does not need to do the clutter cancellation. The proposed method is validated via both the simulated and experimental data.
机译:在这封信中,我们在数字电视地面多媒体广播(DTMB)系统中使用了已知的伪随机噪声(PN)信号作为被动雷达的新照明器。我们提出了一种用于基于PN的无源雷达(PNPR)的计算有效的信号处理方法。所提出的方法利用PN信号的独特结构,并构造局部重新映射的PN信号。重新映射的PN信号和原始PN信号之间的圆形交叉相关是理想的脉冲函数。因此,PNPR甚至不需要进行杂波消除。通过模拟和实验数据验证所提出的方法。

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