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针对基于FFT的初始相位估计算法以及基于DTFT的初始相位估计算法存在的不足,本文提出了一种基于FFT技术与同步头的初始相位估计算法。理论分析与仿真表明,本文所提算法能够有效地提高初始相位的估计精度。
In view of the shortcomings of the initial phase estimation algorithm based on FFT and the initial phase estimation algorithm based on DTFT, an initial phase estimation algorithm based on FFT technology and synchronization head is proposed in this paper. Theoretical analysis and simulation show that the proposed algorithm can effectively improve the initial phase estimation accuracy.