The paper introduces the principle of multi-point average method and prove the method applicable and feasible according to the application of standard signal and practical signal in engineering.
介绍了多点平均方法的原理，以标准信号和工程实际信号的应用研究验证了所述方法的实用性和可行性。
This paper offers an assumed model called system weighted Average Tranafer Function of a linear vibration system to identify the complex modal parameters by using multi-point measured frequency data.
本文提出用多点频响函数来识别系统的复模态参数，建立了系统加权平均传递函数的假设模型。
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