A METHOD OF IDENTIFYING NOISE MODEL

陈树越

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A METHOD OF IDENTIFYING NOISE MODEL

更新时间：2026-09-14

- A METHOD OF IDENTIFYING NOISE MODEL
- 一种识别噪声模态的方法
- Issue 2, Pages: 145-148(1993)
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- Published：1993
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陈树越. A METHOD OF IDENTIFYING NOISE MODEL[J]. 1993, (2): 145-148.
DOI：

陈树越. A METHOD OF IDENTIFYING NOISE MODEL[J]. 1993, (2): 145-148. DOI：

摘要

噪声模态是振动系统的虚假模态

根据真实模态的不变性和噪声模态的随机性

通过利用最小二乘时域模态参数识别法二次识别复振型

提出归一化模态置信因子(NMCF)判别噪声模态。最后进行了计算机模拟。

Abstract

The noise model is a false model in the vibration system. According to the system model unchanging and the noise model random

the complex vibration shapes are identified in two times by means of the least square method of modal parameter identification in time do- main. The normalized model confidence factor (NMCF)is presented to distinguish the noise model. Finally

the simulative test is done with the computer.

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