While it had no significant effect on Resonant Frequency Vibration(FFT analyzer).

含水率对纵向基频振动法（FFT）测得的动弹性模量影响不显著。

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This paper is intended to introduce the random calibration method for vibration transducers with two-channel FFT analyzer.

介绍了采用双通道FFT分析仪进行振动传感器随机校准的方法。

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In this paper, a close-cycle shaker control method, which is realized by using a two-channel FFT analyzer and a PC, is studied.

本文研究了一种利用双通道FFT分析仪和PC机实现激振器闭环控制的方法。

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