文章摘要信息 关键词 ： 循环累积量 调制分类 多进制相移键控 [gap=983]Keywords : cyclic cumulants;modulation classification;mary phase shift keying
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基于快速循环累积量实现了对LPI雷达信号频率的高精度估计。
Based on the fast cyclic cumulants method, the frequency of LPI signal was estimated accurately.
针对单信道中时频重叠双信号的载波频率估计问题，提出一种基于二阶循环累积量的载波频率估计方法。
Aiming at time-frequency overlapped two-signals in single-channel, this paper proposed a method to estimate carrier frequency based on second-order cyclic cumulants.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法，实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
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