中文说明：提取振动曲线的波峰和波谷值，返回对应的坐标值和峰值。
English Description：
The peak and trough values of vibration curve are extracted, and the corresponding coordinate values and peak values are returned.
Extracting the peak and trough values of vibration curve
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中文说明：提取振动曲线的波峰和波谷值，返回对应的坐标值和峰值。
English Description：
The peak and trough values of vibration curve are extracted, and the corresponding coordinate values and peak values are returned.