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在机相扫雷达系统中,波束扫描精度不仅决定探测目标的测角、测距精度,甚至影响跟踪、截获目标的成败。文中论述波束扫描的实现途径,提出按脉冲重复频率(PRF)实时计算波束指向参数的方法。该方法提高了波束扫描的精度,改善了目标起伏特性,增强了雷达系统的跟踪精度和威力。对于动平台雷达系统的设计与应用具有重要的参考价值。
In the phase sweep radar system, the beam scanning accuracy not only determines the angle and ranging precision of the detection target, but also affects the success of tracking and intercepting the target. In this paper, the realization of beam scanning is discussed, and a method to calculate the beam pointing parameters in real time according to pulse repetition frequency (PRF) is proposed. The method improves the accuracy of beam scanning, improves the target fluctuation characteristics and enhances the tracking accuracy and power of the radar system. It has important reference value for the design and application of moving platform radar system.