It can filter efficiently decaying DC component, has clear frequency characteristic, and make calculation with high precision.
它可有效滤除衰减直流分量并具有较好的频率特性与较高的计算精度。
The decaying DC component is filtered in the Fourier algorithm, which improves data precision and simplifies hardware circuits.
并采用滤除衰减直流分量的傅氏算法，提高了数据精度、简化了硬件电路。
The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.
全波傅氏算法是基于周期信号推导出来的，当采样信号中含有衰减直流分量时，将会产生误差。
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