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- An identification approach was researched, it estimated structural physical parameters via ambient excitation. 摘要基于連續時(shí)間模型，利用導數的近似值代替導數值，運用最小二乘法估計結構參數。
- A method of cross-point admittance based on ambient excitation to identify large engineering structures modal parameters was reported in this paper. 摘要提出了基于環(huán)境激勵下，運用跨點(diǎn)導納法識別大型工程結構模態(tài)參數的一種方法。
- LI Zhongfu, HUA Hongxing, SONG Hanwen, et al. Operating modal parameter identification under ambient excitation [J]. Journal of Shanghai Jiaotong University, 2001(8)：1 167-1 171. 李中付;華宏星;宋漢文;等.;基于環(huán)境激勵的工作模態(tài)參數識別[J]
- Modal Test of Long Span Bridges Based on Ambient Excitation 基于環(huán)境激勵的大跨度橋梁模態(tài)試驗
- In addition, a vibration excitation test was done for the whole lathe to verify the exactness of the parameters obtained from simulation. 最后對整個(gè)機床進(jìn)行激振試驗，驗證了仿真參數的準確性。
- Magnetic Excitation Test System of Microcomputer 微機勵磁檢測系統
- Operating Modal Parameter Identification Under Ambient Excitation 基于環(huán)境激勵的工作模態(tài)參數識別
- multiple-point random excitation test 自功率譜密度
- The method of impact excitation testing with Fast Fourier Transform (FFT) based on spectrum analyzer to determine the dynamic characteristics of a heald frame is introduced. 介紹了通過(guò)基于快速傅立葉變換(FFT)的譜分析確定綜框的動(dòng)態(tài)特性。
- In the condition of ambient excitations, the dynamic properties of towers and main spans and the tensions of the stayed cables for Yellow River Shengli cable-stayed bridge are measured. 在環(huán)境激勵條件下,測試了黃河勝利大橋橋塔、主橋橋跨的基本動(dòng)力特性以及斜拉索的索力。
- A simple test will show if this is real gold. 簡(jiǎn)單的試驗就能證明這是否是真金。
- Environmental Stress Screening and Stress Excitation Test 環(huán)境應力篩選與應力激發(fā)試驗
- Study on Design of a Hydraulic Vibration Excitation Test Machine 液壓激振試驗臺系統設計研究
- Pupils who pass the test will be promoted to the next higher grade. 小學(xué)生只要考試及格就會(huì )升到高年級。
- MODAL PARAMETERS EXTRACTION WITH CROSS-CORRELATION FUNCTION UNDER AMBIENT EXCITATION 利用互相關(guān)函數進(jìn)行環(huán)境激勵下的模態(tài)分析
- He held the test tube in his hand thoughtfully. 他沉思地把試管拿在手里。
- Study of High-rise Building's Dynamic Character under Ambient Excitation by GPS Technology and Its Application 基于GPS的高層建筑環(huán)境激勵動(dòng)態(tài)特性研究及應用
- It will be wise to go over your test paper again. 還是把您的考卷再檢查一遍的好。
- Experimental Modal Analysis of a Large-Span Cable-Stayed Concrete Bridge with Single Tower under Ambient Excitation 環(huán)境激勵下混凝土獨塔斜拉橋的實(shí)驗模態(tài)分析
- Let us show you to see the engine to test. 讓我們指給你看要測試的發(fā)動(dòng)機。
