Calculation results indicate that tire vibration and noise can be predicted with actual excitation spectrum from tests according to the method presented in the paper.
计算结果表明,只要有通过试验获得的轮胎在滚动过程中所受到的真实激励谱,利用本文的方法即可对轮胎的振动噪声进行预报。
The dynamic response RMS under random excitation spectrum is estimated.
对随机激励谱下的动力学响应RMS也进行了估算。
We also present theexpressions for the excitation spectrum, lifetime, and effective mass of quasi-particles.
又根据量子多体理论,计算了准粒子的激发谱、寿命和有效质量。
The action spectrum of photosynthesis of tomato was studied with excitation and fluorescence spectra of its leaf.
通过番茄叶片的荧光光谱和激发光谱测量,能够得到番茄的光合作用之作用光谱。
The fluorescence excitation and emission spectra of ATA do not overlap, so resonance fluorescence was not involved in the RLS spectrum.
ATA的荧光激发光谱和发射光谱不重叠,说明RLS光谱中没有共振荧光成分。
Through spectrum analysis, time-marching analysis and radom vibration analysis, the seismic performance of arch bridge under one-dimension and multi-dimension excitation has been analyzed.
采用反应谱法,时程分析方法以及随机振动方法分析了拱桥在一维和多维地震激励下的地震响应。
The results show that LMESA spectrum strongly depends on the environment gas, its pressure and the auxiliary excitation parameters.
实验结果表明在减压氩气环境下,激光微区发射光谱与环境气体、环境气压和辅助激发参数密切相关。
The data of polar motion, rotation of the earth and atmospheric excitation function are analysed by the Auto-Regression power spectrum method, and their spectra at low frequency band are obtained.
本文用自回归功率谱方法分析了极移、地球自转和大气激发函数的资料,得到了它们的低频谱。
It was another evidence that the peak wavelength of RH6G fluorescence spectrum was almost equal to that of C102 excitation spectrum.
另一方面是C102发射光谱的峰值波长和RH6G激发光谱的峰值波长基本上一致。
As an example, the seismic responses of the Tsingma bridge obtained by the pseudo excitation method are compared with those obtained by the response spectrum method and the time history method.
以青马桥为例,将虚拟激励法的计算结果及效率与反应谱方法和时间历程法作了比较。
The spectrum analysis indicated that the intensity of excitation and emission peak are different from those of the products combusted under other conditions.
光谱分析表明,燃烧环境不同,产物的激发与发射峰强度不同;
Enclosing damage diagnosis, this pape studies modal experiment in ambient excitation, optimal placement of sensors and structural damage alarming using wavelet packet energy spectrum.
本文围绕结构损伤诊断,研究基于环境激励的模态试验方法、传感器优化布置原理和小波包能量谱损伤预警方法三方面的内容。
PRMF relative phase spectrum IP method with PRMF signal as excitation has the same advantage of relative phase IP method, and offer rich information for the discrimination of anomaly source.
利用伪随机多频信号作为场源的多频相对相位谱观测法拥有相对相位观测法的优点,同时为异常源的区分提供丰富的信息。
The seismic excitation is modeled as a Gaussian random process and the power spectrum can be taken into account.
用高斯随机过程模拟地震激励,可计及其功率谱特性。
The excitation spectrum of SSA changes when its concentration is relatively higher, but the emission spectrum remains unchanged.
SSA浓度较高时,荧光激发光谱发生变化,但发射光谱不变。
After the excitation scheme of suitable ultraviolet material is selected, the ultraviolet spectrum is measured with the dual-grating monochromator and ultraviolet sensor.
在选用合适的紫外材料激发后,采用双光栅单色仪和紫外传感器进行测量。
ANSYS program was employed to execute the response spectrum analysis and determine the response of semi-rigid concrete filled steel tubular structure under selected earthquake excitation.
使用通用有限元分析软件ANSYS进行半刚性连接钢管混凝土结构的反应谱分析,并研究了半刚性连接钢管混凝土框架结构在选定地震波激励下的响应。
The structure, emission spectrum and excitation spectrum of the phosphor were measured.
测定了荧光粉的结构、发射光谱和激发光谱。
This paper proposes a practical plan for a unit with functions of spectrum monitoring, self-excitation detection and isolation degree test, which is suitable for current wireless relay station.
提出了一种实用的应用于现有无线通信直放站的具有频谱检测、自激检测和隔离度测试功能的单元设计方案。
The time-dependent DFT (TD-DFT), CIS and TD-HF studies have been performed on the UV-spectrum of phenanthrene. Based on the optimized geometries, the vertical excitation energies were calculated.
用含时密度泛函理论TDDFT及组态相关CIS、含时td HF方法对菲的UV光谱进行了理论研究,在几何构型优化的基础上,计算了其垂直电子激发能。
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.
介绍了通过基于快速傅立叶变换(FFT)的谱分析确定综框的动态特性。
The paper researches the spectrum characteristics of dynamic response of the gear pair with the error excitation in the long and short period based on dynamic mating model of the gear pair.
基于齿轮副的动态啮合模型,对具有误差激励的齿轮副按长、短周期从理论上研究了其动态响应特征。
The application of double access mutual spectrum analysis and mutual coherent analysis is to verify the accuracy of the examined result from different aspects and different excitation modes.
双通道相干分析(相干谱)的应用在于对不同角度和不同激振方法对所测结果准确性进行判断。
The fluorescent spectrum and the excitation spectrum were used to present the cluster molecular structure feature in ethanol-water solutions.
利用稳态荧光光谱和时间分辨荧光光谱研究了乙醇-水溶液中团簇分子的结构特点。
For anharmonic trap, this excitation has energy-selective characters, and depends on the frequency spectrum of the current noise.
对于非简谐阱,这种激发具有能量选择特性,它又取决于电流噪声的频谱分布。
In this thesis, the spectrum analysis and transient analysis of curved continuous rigid-frame bridge with high piers and long spans under seismic excitation are performed.
大跨高墩曲线连续刚构桥结合了曲线梁桥和刚构桥的受力特点,加之高墩、大跨的柔度较大,使结构分析变得复杂。
In this thesis, the spectrum analysis and transient analysis of curved continuous rigid-frame bridge with high piers and long spans under seismic excitation are performed.
大跨高墩曲线连续刚构桥结合了曲线梁桥和刚构桥的受力特点,加之高墩、大跨的柔度较大,使结构分析变得复杂。
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