You can optimize the algorithm by noticing that factors come in pairs.
因子是成对出现的，可以通过这点来优化算法。
The polyphase decomposition theory is also applied to optimize the algorithm and improve the computing efficiency.
并且进一步运用滤波器的多相分解理论，对谱估计算法进行了优化，极大地提高了计算效率。
During the research, the limitation was found that the counters are sensitive to the time chip. The paper USES threshold values to optimize the algorithm.
又从研究该算法的过程中，发现其局限性，即计数器值对时间片过于敏感的问题，于是进一步采用设置阈值进行区分的方法来优化。
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