Single-carrier signal blind frequency offset estimation method based on multi-power combination

The invention discloses a single-carrier signal blind frequency offset estimation method based on multi-power combination, which can realize full blind estimation of single-carrier signal frequency offset. According to the method, multiple high-order power features of the signal are extracted, a multi-power decision mechanism is designed to determine the frequency offset estimation value, and the method has good estimation performance. Compared with a traditional frequency offset estimation method, the method has better universality, can adapt to a full-blind estimation scene of multi-standard modulation signals, and has good practical value. 本发明公开了一种基于多幂次联合的单载波信号盲频偏估计方法，能够实现对单载波信号频偏进行全盲估计。本发明提取信号的多个高阶幂次特征，设计多幂次判决机制确定频偏估计值，具有良好的估计性能。相比传统频偏估计方法，本发明具有更好的通用性，能够适应多制式调制信号的全盲估计场景，具有良好的实用价值。