本文针对正交频分复用（OFDM）系统中导频信道估计算法，研究了几种常用的导频信道估计算法和插值算法，通过理论分析和实验仿真，分别对比分析了几种导频信道估计算法和插值算法的性能，为工程应用提供理论和实验依据。%This paper is aimed at channel estimation algorithm based on pilot in orthogonal frequency division multiplexing(OFDM) system. Several frequently used channel estimation algorithms based on pilot and interpolation algorithms are studied. The performance comparisons of different channel estimation algorithms are made through theoretical analysis and computer simulation as well as interpolation algorithm. It provides evidence for theory and experiment in engineering applications.
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