本文件规定了一种测量发电特性的方法，以评估和确定用于自持电源的压电谐振装置的输出功率、机械品质因数、机电耦合因数和输出效率。 本文件定义了基于振动的测试方法和特征参数，以便准确、实用地评估压电谐振装置的性能。

This document specifies a method for measuring power generation characteristics to evaluate and determine the output power, mechanical quality factor, electromechanical coupling factor and output efficiency of piezoelectric resonant devices used for self-sustaining power sources. This document defines vibration-based test methods and characteristic parameters in order to accurately and practically evaluate the performance of piezoelectric resonant devices.