| 一种斜拉桥索力检测的基频混合识别方法 |
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| 引用本文： | 陈再发,冯志敏.一种斜拉桥索力检测的基频混合识别方法[J].微型机与应用,2011,30(10):73-76. |
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| 作者姓名： | 陈再发 冯志敏 |
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| 作者单位： | 1. 浙江国际海运职业技术学院,浙江舟山,316021
2. 宁波大学海运学院,浙江宁波,315211 |
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| 基金项目： | 浙江省科技计划项目(2008C21G2070029); 宁波市科技计划项目(200701B1003005) |
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| 摘 要： | 介绍了斜拉桥索力检测力学计算模型构建、加速度时程FFT频谱分解、超低基频的自功率谱实测法、倒频谱原理以及自功率谱与倒频谱混合识别法,并结合采用VB和MATLAB程序开发的软件系统进行索力检测应用试验与分析比较.
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| 关 键 词： | 索力检测 计算模型 基频 混合识别 |
A method of fundamental frequency hybrid recognition for cable tension measuring of cable-stayed bridge |
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| Chen Zaifa
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Feng Zhimin.A method of fundamental frequency hybrid recognition for cable tension measuring of cable-stayed bridge[J].Microcomputer & its Applications,2011,30(10):73-76. |
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| Authors: | Chen Zaifa Feng Zhimin |
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| Affiliation: | Chen Zaifa1,Feng Zhimin2(1.Zhejiang International Maritime College,Zhoushan 316021,China,2.Faculty of Maritime,Ningbo University,Ningbo 315211,China) |
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| Abstract: | The establishing of mechanical model of cable tension measuring,FFT spectral decomposition of acceleration transducer time history,the method of power spectrum measurement of ultra-low fundamental frequency,the application of cepstrum theory,the method of mixed recognition of combining power spectrum with cepstrum,developing a software system by VC and Matlab procedure,and using it to do experiment of cable tension measuring and analysis comparing. |
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| Keywords: | cable tension measuring computational model fundamental frequency hybrid recognition |
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