In order to make an accurate estimation of the sinusoidal signal frequency, this paper proposes a frequency estimation algorithm capable of Discrete Fourier Transform(DFT)and iterative correction. The proposed algorithm is compared with the three existing frequency estimation algorithms ...
迭代校正对电磁信号的频率估计广泛应用于通信,雷达,导航和电子对抗等领域.针对正弦信号的频率精确估计,本文提出了一种利用DFT和迭代校正的频率估计算法,并与现有三种基于DFT的频率估计算法进行了性能仿真对比,分析结果表明,新算法的频率估计性能明显优于其他三种算法,可以得到非常逼近CRLB的频率估计值,迭代校正5次时,频率...