导数是振动熵的特例。
围绕振动熵对凝固过程形核动力学的影响进行了讨论,提出了关于体现振动熵影响的凝固形核率的表达式。
The effect of entropy of vibration on the dynamics of forming nucleus of solidification processing was discussed and a expression for the rate of forming nucleus during solidifying was put forward.
本文介绍了一种简单的利用简谐振动现象测量气体的定熵指数的方法。
This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
针对不同故障类型下的液压泵振动信号具有不同复杂性的特点,将多尺度熵引入到液压泵故障识别中。
The vibration signals of hydraulic pump with different fault types have different complexity. The multi-scale entropy is introduced into the fault identification of hydraulic pump.
用振动样品磁强计测量它们的磁化曲线,从而计算出磁熵变,估计出磁热效应。
The magnetization curves of these alloys were measured with vibration sample magnetometer, from which magnetic entropy changes were calculated and magnetocaloric effect were evaluated.
试验中,提取驱动桥振动信号频谱的二维谱熵作为特征指标,输入到SVDD分类器。
In the test on driving axle, the 2d spectrum entropy of vibration signals is extracted as the feature indicator and is input into the SVDD classifier.
基于最大应力信息熵原理,针对振动结构给出了传感器布局的优化准则。
It presents an optimality criterion for the placement of sensors in the vibration structure. The basic idea is the maximum stress information entropy.
应用点阵动力学的方法计算了一维纳米晶体的熵、热容以及振动自由能等,发现纳米晶体的熵比单晶的熵值高,这些结果可以用纳米晶体的特殊结构来解释。
Its thermal properties were calculated by means of lattice dynamics. It has been found that the entropy and specific heat of nanocrystalline are higher than that of single crystal.
与传统的FFT相比极大熵谱法具有频率分辨率高,适于短时瞬态数据处理,而且能给出振动幅值与频率和时间三者的关系。
Compared with traditional FFT method, MESE not only has higher resolution but also fits the processing of transient data, so, it can show the relation of amplitude to both time and frequency.
与传统的FFT相比极大熵谱法具有频率分辨率高,适于短时瞬态数据处理,而且能给出振动幅值与频率和时间三者的关系。
Compared with traditional FFT method, MESE not only has higher resolution but also fits the processing of transient data, so, it can show the relation of amplitude to both time and frequency.
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