文章详细信息 关键词: 天然气发动机;经验模态分解;能量熵;模糊聚类;故障诊断 [gap=765]Keywords: natural gas engine;EMD;energy entropy;fuzzy cluster;fault diagnosis
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energy-entropy 能量熵
local energy entropy 局部能量熵
maximum energy entropy 极大能量熵
Multi-band Energy Entropy 多带能量熵
intrinsic mode energy entropy 固有模态能量熵
Energy entropy distribution gradient 能量熵分布梯度
energy and entropy 内能和熵
Calculation methods including wavelet energy entropy, wavelet time entropy, wavelet singular entropy, wavelet time frequency entropy are put forward to extract the characteristics of the electrical signals, and their meanings are analyzed.
建立了基于小波分析的小波能量熵、小波时间熵、小波奇异熵和小波时频熵的概念与计算方法。 应用小波熵于针刺电信号的特征提取与分类上,能有效地将不同手法区分开来。
参考来源 - 基于电信号的针刺特性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
There's a balance here between ordinary energy or enthalpy and entropy.
通常所说的能量,或者自由焓和熵之间存在一个平衡。
Still, the actual equilibrium depends on entropy also, not only on the energy.
而且,实际的平衡依赖于熵,而不仅仅是能量。
If that's not zero, unlike the ideal case, now unlike before, where we just had entropy driving the mixture, now there's an energy of mixing.
如果那不是零,和理想的情况不同,和以前不同,以前我们只有熵来驱动混合,现在有混合能。
In other words, if we don't have to worry about entropy or volume equilibrium is achieved when energy is at a minimum.
换句话说,如果我们不担心熵,和体积的平衡,那么能量就得是最小的。
And the bigger lesson from that is that entropy, unlike energy u or enthalpy H, we could define an absolutely number for it.
热力学第三定律的一个更重要的推论是,与内能和自由焓不同,我们可以给上定义一个绝对的数值。
Still, the actual equilibrium depends on entropy also, not only on the energy.
而且,实际的平衡依赖于熵,而不仅仅是能量。
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