针对相位敏感性条件下,跳频系统跟踪精度低和稳定性差的问题,基于滞回比较器和高速数字采样器,提出了一种边沿捕获的跳频跟踪方法,利用边沿捕获模块对经过滞回比较器预处理后的信号的时间相位进行测量,并将结果处理后反馈至本振控制完成跳频跟踪.仿真结果表明,当Eb/N0大于6.5 d B时,同步误差时间的均方差在40 ns以内,归一化误差为0.32%,同步概率大于99.9%.本文方法精度和同步稳定性均优于传统的锁相环法
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