The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.

并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法，识别结果与理论结果吻合较好。

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Using multi variable frequency domain stability criterion, this paper analyzes the stability of the adaptive laser resonator system.

用多变量频域稳定性判据，分析了自适应激光谐振腔系统的稳定性。

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AIM To develop demodulation methods with high anti-noise ability and high speed for data acquisition system inelectrical impedance multi-frequency and parameter tomography.

目的研究一种用于电阻抗多频及参数成像数字采集系统的具有高抗噪性能和快速的解调方法。

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The vendors were Total Rebalance Expert, iRebal, Tamarac and TradeWarrior and they discussed the key features of their respective programs as well as the optimum rebalance frequency, support for multi-level models, increasing advisor productivity and options for integration with other system.

FORBES: Choices in Portfolio Rebalancing