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Wind Turbine Interference Mitigation Using a Waveform Diversity Radar

机译:使用波形分集雷达缓解风轮机干扰

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Interference from the proliferation of wind turbines is becoming a problem for ground-based medium-to-high pulse repetition frequency (PRF) pulsed-Doppler air surveillance radars. This paper demonstrates that randomizing some parameters of the transmit waveform from pulse to pulse, a filter can be designed to suppress both the wind turbine interference and the ground clutter. Furthermore, a single coherent processing interval (CPI) is sufficient to make an unambiguous range measurement. Therefore, multiple CPIs are not needed for range disambiguation, as in the staggered PRFs techniques. First, we consider a waveform with fixed PRF but diverse (random) initial phase applied to each transmit pulse. Second, we consider a waveform with diverse (random) PRF. The theoretical results are validated through simulations and analysis of experimental data. Clutter-plus-interference suppression and range disambiguation in a single CPI may be attractive to the Federal Aviation Administration and coastal radars.
机译:风力涡轮机扩散产生的干扰已成为地面中高脉冲重复频率(PRF)脉冲多普勒空中监视雷达的问题。本文证明,将脉冲之间的发射波形的某些参数随机化,可以设计一个滤波器来抑制风力发电机的干扰和地面杂波。此外,单个相干处理间隔(CPI)足以进行明确的范围测量。因此,与交错的PRF技术一样,不需要多个CPI即可消除距离歧义。首先,我们考虑具有固定PRF的波形,但将不同(随机)初始相位应用于每个发射脉冲。其次,我们考虑具有不同(随机)PRF的波形。理论结果通过仿真和实验数据分析得到验证。单一CPI中的杂波加干扰抑制和距离消歧可能对美国联邦航空管理局和沿海雷达具有吸引力。

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