Some experimental results obtained by using cross-spectrum technique and many times average of the sampled signals are given in this paper.
本文给出用互功谱技术和多次平均方法所得的一些实验结果。
In this paper, the theory and the experimental technique about the identification of a noise source using a cross-spectrum analysis method have been studied.
本文研究了互谱分析法在噪声源定位应用上的理论和实验技术。
The results show that the phase shift angle can be measured accurately based on the cross-spectrum method with equivalent interval sampling of workpiece rotary angles.
结果表明，利用等工件转角间隔采样通过互功率谱密度方法可以实现相位差的精确在线测试。
Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed.
基于双水听器互谱测量法，研制的水声声强测量设备可用于测量水下声源产生的声场中任意点的声强量值或任意面上的声强量值分布。
Version 6.1.2 of Modeler includes many new features that cross the spectrum of functional areas within the product.
版本的Modeler包括许多新功能，涵盖该产品中的广泛功能领域。
The cross spectrum expression of energy flow is deduced when two linear accelerometers are arrayed to measure energy flow.
推导了利用两点线性加速度传感器测量能量流的互谱表达式。
The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.
最大熵与互功率谱相位法就是首先求出组分波的波至点。
In this paper, the method of cross power spectrum is used to simulate rotor bars breaking faults of induction motor, including continuous breaking and intermittent breaking of rotor bars.
利用互功率谱方法对异步电动机发生多根导条断裂故障进行了模拟仿真，包括连续断条和间歇断条故障。
Most customers prefer a full spectrum of products and services and appreciate the convenience that is provided through a comprehensive cross-selling approach.
多数顾客更喜欢多领域的产品和服务同时赞赏由全面交叉销售方式提供的便利。
Cross spectrum estimation based on a single vector sensor has turned random process in time domain into random variables in frequency domain.
单矢量传感器的互谱估计，将时域随机过程变换成了频域随机变量。
Cefixime is characterized by broad spectrum, long half life period, less cross resistance to chemical reagent, small use dosage and wide scope of application.
头孢克肟抗菌谱广、半衰期长、交叉耐药性小、用药剂量小、适应症广泛。
The relationship between the sea temperature on the South China sea and the rainfall in the Yunnan by means of cross spectrum AD power spectrum analysis.
采用波谱分析的方法对南海海表温度和云南省降水作出分析，通过功率谱以及交叉谱计算表明了云南省降水与南海海温之间的一些相关关系。
Based on the cross-power spectrum estimation, the algorithm has the advantages of lower complexity and better precision over wide frequency band.
该算法基于互功率谱估计，具有算法复杂度低、精确度高、适用频率范围广等优点。
Using the wavenumber frequency transfer function to describe the whole system consisting of the plate and the liquid loading, a general expression of the cross spectrum was derived.
用波数-频率谱传递函数表征包括弹性板和流体负荷在内的整个系统的特性，导出了噪声场互谱函数的一般表示式。
Modulation instability gain spectrum resulted from cross-phase modulation (XPM) in decreasing dispersion fiber (DDF) is presented from nonlinear Schrodinger equation.
从非线性薛定谔方程出发得到了色散缓变光纤中交叉相位调制(XPM)不稳定性的增益谱。
The influence of the structure change of the fiber cross section on the transmission spectrum is simulated, and derived qualitatively.
数值分析了光纤截面结构变化对于光栅传输谱的影响，并给出这种影响的定性解释。
The variety, production cross section, energy spectrum and double differential cross section are calculated for the secondary particles produced by reactions of high energy protons in silicon.
计算得到了不同能量的高能质子与硅反应产生的次级粒子种类、截面、能谱和双微分截面。
The multiple group cross sections are indispensable when we want to obtain the neutron spectrum by multiple foil activation method.
在利用活化法进行中子能谱测量中，活化箔的多群截面是必须的输入参数之一。
Taking account of the up-conversion and cross-relaxation effects of cooperation, the spectrum analysis of highly doped EDWA can be carried out over a wider frequency band.
由于考虑了协同上转换和交叉弛豫效应，该算法能够对高掺杂的EDWA进行较宽频谱的分析。
It is also pointed out that, only after both real part (or co-spectrum) and imaginary part (or quadrature spectrum) of cross spectra between random wind loads of an…
同时指出，如需按CQC方法进行精细计算，就必须首先获得结构各点风荷载之间互功率谱密度函数的实部和虚部。
Chapter5: The effect of cross-phase modulation (XPM) on pulse propagation and SC spectrum generation in a dispersion-flattened and decreasing fiber are researched.
第五章：研究了在色散平坦渐减光纤中，交叉相位调制效应对光脉冲的传输以及超连续谱产生的影响。
The third part introduces the spectrum analysis method and the cross spectrum analysis method briefly.
第五部分用格兰杰因果检验方法对所选数据进行简要分析。
The line shape of measured emission spectrum is proposed to be considered for calculating emission cross-sections at different wavelength.
并建议通过发射光谱的实测线形计算各波长的发射截面。
The changes of crystal absorption spectrum and coloring were analyzed, and the correlative parameters such as separation coefficient, concentration and absorption cross section were calculated.
分析了晶体真空退火前后的吸收光谱和着色等变化，并根据吸收系数变化计算了晶体分凝系数、浓度和吸收截面等参数。
The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.
本研究对水平液体绕流热圆柱体的旋涡脱落特性进行了研究。
The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.
本研究对水平液体绕流热圆柱体的旋涡脱落特性进行了研究。
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