以下为句子列表：
英文: Based on 80C196KC single-chip microprocessor AC sample system, this paper especially analyses various factors that influence the precision of Half-cycle Fournier Arithmetic, makes improvement on many ways such as arithmetic ,frequency measure, sample step
中文: 摘要结合80C196KC单片机交流采样系统，著重分析了影响半波付里叶算法精度的各种因素，并在交流采样算法、测频、采样步长划分、采样同步、单片机A/D转换、抗干扰以及参数计算等方面提出了改进，给出了实用的硬件图和软件流程图。
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