中文说明：如果每个峰值明显是较大 （或更小） 比它周围的数据。查找算法的严格衍生基于峰值的问题是如果信号是嘈杂发现许多虚假峰。
English Description：
if each peak is significantly larger (or smaller) than the data around it. The problem with the strictly derivative based peak finding algorithms is that if the signal is noisy many spurious peaks are found.