由于发射信号的随机性,使得敌方难以侦查和识别信号参数,因此噪声信号还具有低截获概率( LPI) 、低识别概率( LPID) 和良好的抗干扰能力等优点【8d21,使其在复杂的电子战环境中更具竞争力。
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理论分析和计算机仿真结果均表明,在低信噪比的情况下,相参积累方法可以提高UWB雷达的目标识别概率。
Theoretical analysis and the results of simulation show that coherent accumulation can improve UWB radar target recognition probability in the condition of low signal noise ratio.
针对采用脉冲压缩体制的低截获概率雷达的应用场合,提出了一种识别二相编码脉冲压缩雷达信号的新算法。
Aimed at the application of low probability of intercept adopting pulse compression system, a new arithmetic of recognizing binary phase coded pulse compression radar signal is proposed.
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