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采用脉冲多普勒体制的地面雷达在距离上是模糊的,这就要求在信号处理上进行距离模糊解算。文中首先提出了一种参差加抖动解距离模糊方法,并把该方法与常规3/7准则的性能进行对比分析,指出了该方法在满足PD性能的同时大大提高了雷达数据率。然后对该方法的应用场合进行分析,对该方法的实际应用具有一定的指导意义。
Ground-based radars using pulsed Doppler systems are ambiguous in distance, requiring ambiguity in the signal processing. In this paper, a new jitter ambiguity solution is proposed, and the performance of this method is compared with that of the conventional 3/7 criterion. It is pointed out that this method can greatly improve the radar data rate while meeting the PD performance. Then the application of the method is analyzed, which is of guiding significance to the practical application of the method.