Non-Linear Response Effects on Vibration Signatures

机译：非线性响应对振动信号的影响

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The vibration time-base signal and its associated spectra are functions of the forces in the system and how the structure responds to them. This paper will discuss how that response can make the vibration signals extremely complex through system non-linearity. It discusses two classes of non-linearity- force response and time response. It will demonstrate that beating and modulation are one and the same phenomena and are the result of time response non-linearity. The power series approximation and simple trigonometry do a creditable job of modeling non-linear systems. Computer simulation can help distinguish between the real and the artifact in complex spectra.

机译：振动时基信号及其相关频谱是系统中力以及结构如何响应它们的函数。本文将讨论该响应如何通过系统非线性使振动信号极其复杂。它讨论了两类非线性力响应和时间响应。它将证明跳动和调制是一种现象，并且是相同的现象，并且是时间响应非线性的结果。幂级数逼近和简单三角函数在建模非线性系统方面做得不错。计算机仿真可以帮助区分复杂光谱中的实物和伪影。

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来源
《Society for Machinery Failure Prevention Technology Meeting; 20050418-21; Virginia Beach,VA(US)》|2005年|187-196|共10页
会议地点 Virginia BeachVA(US)
作者
Sidney J. Booksh;
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作者单位

Machinery Technical Support 200 W. 34th Ave #979 Anchorage, AK 99503;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 TH171;
关键词
beating; comb filter; misalignment; modulation; non-linearity; power series;

机译：跳动梳状滤波器错位调制;非线性电源系列;

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机译：通过非线性吸收器承受多激励力的非线性系统振动的非线性分析

Non-Linear Response Effects on Vibration Signatures

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