Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
利用相函数的频谱分析求其自功率谱,可以反映它的频率结构。
It will set up ar model, analyze power spectrum, and calculate transfer function and delay time, thus several fundamental problems in the research of robot wrist sensor can be solved.
建立了AR模型,分析了功率谱,计算了传递函数和滞后时间,解决了机器人腕力传感器研究中的若干基础性问题。
It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.
结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。
At last, making use of the plotting function of MATLAB, the paper carries out simulation analysis from three aspects: auto-correlation function, spectrum and fuzzy function.
最后,利用Matlab软件的作图功能,从自相关函数、频谱函数和模糊函数三个方面对M波形的性能进行了仿真分析。
The auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.
相函数的自功率谱一般具有两个峰值频率,其相应的频率分量决定相函数的波峰特征。
From the view of fractal information theory, the multifractal has been introduced, and the multifractal dimension spectrum function based on the fractal entropy has been investigated.
本文从分形信息论观点出发,考察多重测度分形,导出基于分形熵比的多重分形维谱函数。
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
上式表明:功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。
Conclusions - MPS provides effective risk stratification across the entire spectrum of renal function.
结论——MPS为整个肾功能谱提供了有效的危险分层。
Meanwhile, instantaneous information on conventional stack power can be involved in measuring function simultaneously as calculation of velocity spectrum can be conducted sample by sample.
同时,由于速度谱的计算可以逐个样点进行,因此,度量函数中可同时包含常规叠加能量的瞬时信息。
Different photodissociation spectra, the action spectrum as function of laser wavelength, and ratio curve of different channels were obtained.
得到了反应的光解谱和作为波长函数的光解行为光谱以及各反应通道的分支比。
According to the time correlation function theory, the infrared spectrum of clusters can be calculated by using the molecular dynamics simulation.
根据时间关联函数理论,可以结合分子动力学模拟而计算团簇的红外吸收谱。
If accurate fitting formulas of spectrum and coherent function of the fluctuating wind pressure can be obtained, this method possesses great advantage in computing efficiency and accuracy.
指出如果能拟合出脉动风压谱和相干函数的精确公式,该方法在计算效率和计算精度方面均有较大的优势。
The vertical spectrum displacement in the output pulse is calculated and shown quantitatively as function of the Angle between the grooves.
计算了输出脉冲的垂直谱位移,并将其作为刻线夹角的函数进行了分析。
In this paper, the relation between laser Raman spectrum of nucleic acid and its structure and biochemical function was investigated.
本文研究了核酸的激光喇曼光谱与它的结构及生化功能的关系。
The key parameter which describes the spatial resolution of imaging spectrum system is the modulation transfer function (MTF), it is an old and difficult topic to measure the MTF.
描述成像光谱仪系统空间分辩率优劣的关键参数是系统的调制传递函数—MTF, MTF的检测是一个古老而又困难的课题。
In order to analyze and evaluate the spectrum restoration property of image restoration algorithms, a new method based on Gaussian function is proposed.
为了对图像复原算法频谱恢复特性进行分析和评价,提出了一种基于高斯函数假设的分析新方法。
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。
By discussing the filter product cosine operator function and the spectrum of it 's generator, the spectral mapping theorem for the locally equicontinuous cosine operator function is established.
通过对滤子积余弦算子函数及生成元谱性质的讨论,建立了局部等度连续余弦算子函数的谱映象定理。
For the magnetic perturbation contribution, we obtain the frequency shift of modes with different degree as a function of the spectrum of fluctuating magnetic field.
如果只考虑磁扰动的贡献,不同值的振动模的频率变化仅只是涨落磁场能谱的函数。
Mitral valve flow spectrum commonly reflect the state of left ventricular diastolic function, but several cases with pseudonormalization spectrum can't be clearly assessed.
二尖瓣口血流频谱测值一般反映了左室舒张功能状态,但对几例出现的“伪正常”频谱表现难以明确评价。
What's more, the function of spectrum analyzing is also included in the software, with which, the concentration of NO2 in the atmosphere can be got quite easily.
软件还具有NO_2浓度自动反演功能,根据对参考光谱和样品光谱的差分比较,可较为简便地获得样品光谱采集地区大气中NO_2浓度。
It is shown that the wavelength modulated reflective spectrum is essentially the first derivative of dielectric function with respect to the energy.
分析表明波长调制反射谱的实质,是介电函数对能量的一级微商。
The distribution of elements at the sulfidation reaction product section of a sodium salt-modified desulfurization agent was analyzed by using the energy-spectrum scanning function of SEM.
利用SEM的能谱扫描功能,对钠盐调质脱硫剂硫化反应产物断面元素分布进行了分析。
Conclusion PVF spectrum and mitral valve flow spectrum can be used to evaluate left ventricular diastolic function of RH children.
结论P VF频谱与二尖瓣血流频谱对评价RH左室舒张功能有参照意义。
Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.
实验结果表明,分形维数能很好地表征表面轮廓,可为进一步的接触分析提供更合理的几何模型。
Objective To evaluate the clinical value of tissue Doppler imaging(TDI) and pulmonary venous flow spectrum in the assessment of left ventricular diastolic function by E/A ratio.
目的通过组织速度图舒张时间、肺静脉频谱及二尖瓣环E/A比值评价冠心病患者左室舒张功能。
In case the spectrum of incident beam is a function of triangular form, we calculated the spectral distribution of transmission through the F-P etalon with a computer.
当入射光束频谱为三角形函数时,我们用计算机计算了透过F - P标准具以后的频谱分布。
By using inverse matrix of frequency response function in this paper, the spectrum of dynamic forces acting on the set has been identified.
本文采用频响函数矩阵求逆法,辨识了立式机组动态力的幅值谱。
The spectrum transmission function (STF) of optic fiber ring is obtained with the theory of partially coherent light.
根据部分相干光理论,得到了光纤环光谱传递函数。
The probability mass function of queueing delay, the autocorrelation and power spectrum of delay jitter for this periodic cell stream are derived.
得出了该路周期性信元流的排队时延分布、时延抖动的自相关函数和功率谱。
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