迪克森与合作者把若干条狗抖动身体甩干皮毛的过程拍下来，然后用这些图像测量狗抖动皮毛的周期。
Dickerson and co filmed a number of dogs shaking their fur and used the images to measure the period of oscillation of the dogs' skin.
使用一个周期的正弦波曲线模型的滑动拟合法，评价了幅度、频率、直流偏移的抖动，以及相位与理论值之偏差的抖动情况。
By using moving one period sine wave model, the jitters of amplitude, frequency, phase, and offset of sine wave are evaluated.
周期抖动：指的是信号的周期时间的随机采样与理想周期之间的差异。
Period Jitter: refers to the deviation in cycle time of a signal with respect to the ideal period over a random sample of cycles.
周期抖动：指的是信号的周期时间的随机采样与理想周期之间的差异。
Period Jitter: refers to the deviation in cycle time of a signal with respect to the ideal period over a random sample of cycles.
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