讨论了周期信号取样的时域频域特性、非同步取样引起的截断误差和频谱泄漏误差。
The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.
针对周期信号实际的非同步采样，提出一种频谱插值校正的分析法。
A new spectral interpolated compensation analysis method of periodic signals to compensate the spectral leakage caused by non-coherent sampling process is presented.
在非同步采样过程中，信号周期的测量是周期信号数字化测量和分析的重要环节。
In the course of non-synchronization sampling, signal period measurement is an important step in digital measurement and analysis of periodic signal.
该方法可以有效的消除因本振信号频率漂移及闸门信号与被测信号的非同步引起的测相误差，同时提高了测量速度。
The phase detecting error caused by local oscillator frequency drift and non-synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time.
用此公式能够快速的从非同步采样数据得到信号的幅值相位信息。
Some information such as amplitude and phase can be obtained from this formula very fast.
误差分析的结果表明，这种非同步取样数据的同步化算法，具有良好的同步效果，不仅可应用于稳态周期信号，也适用于周期性非稳态过程信号的测量和分析。
Simulation results show that the algorithm could be used not only in steady state signal analysis, but also in periodical non-steady state process signal analysis.
误差分析的结果表明，这种非同步取样数据的同步化算法，具有良好的同步效果，不仅可应用于稳态周期信号，也适用于周期性非稳态过程信号的测量和分析。
Simulation results show that the algorithm could be used not only in steady state signal analysis, but also in periodical non-steady state process signal analysis.
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