Rational arrangement and selection of sampling duration are discussed.
同时，对采样时段的合理安排做了初步探讨。
Anew approach, named Modified Fast Fourier Transform (MFFT), is proposed to analyze the components of a periodic signal when sampling duration is not equal to an integer multiple of the fundamentals.
提出了一种改进的快速付立叶变换(MFFT)的计算方法，在采样的持续时间不是信号周期整数倍的条件下，能够准确地提供此信号中各周期分量的特性。
The FDA Guide suggests that the sampling scheme and duration should be the same as for phase one.
FDA指南建议取样计划和持续时间和第一阶段一样。
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