查询词典 entropy

Using the statistical entropy of the spinning gravitation field of static spherically symmetric black hole,the radiant emittance of static spherically symmetric black hole is calculated,and we obtain a conclusin that the radiant emittance of black hole is proportionate to quartic power of temperature of the event horizon of the black hole.

利用静态球对称黑洞引力自旋场的统计熵，导出静态球对称黑洞引力自旋场的辐出度，得到了黑洞的辐出度与黑洞视界温度的四次方成正比的结论。

Experimental results show that the entropy of the error image using VQ based on information distortion measure is about 0.05bpp lower than that on Euclidean square error measure.

与常用的矢量量化失真测度———欧几里德平方误差测度相比，该算法在不增加运算复杂度的情况下，矢量量化后的误差图像的熵值能够降低 0 0 5bpp左右。

Based on statistical learning theory and optimization theory,unconstrained optimization models for support vector machines are built,and an approximate algorithm-maximum entropy method is given.

本文方法特别易于计算机实现，数值实验结果表明了模型和算法的可行性和有效性。1引言近年来，在V.V apn ik的统计学习理论[1，2]基础上发展起来的支持向量机(Support V ector M ach ine，SVM)正成为机器学习领域中新的研究热点[3，4，5]。

With a simple statistical model, the thermodynamics and kinetics are outlined, which shows the effects of entropy and frustration to folding behavior.

研究蛋白质的折叠过程，对于了解蛋白质的折叠机制，理解蛋白质的快速折叠的来源，都是必不可少的一个方面。

The statistical entropy and heat capacity at 101325 Pa pressure and different temperatures of gaseous ￣(13)C_(60) molecule are calculated by using the method of statistical thermodynamics and ideal gas model in this paper.

采用统计热力学方法及理想气体模型计算了气相~（13）C_（60）分子在101325Pa压力及不同温度下的统计熵与热容。

Due to the problems of being difficult to calculate its occurrence pattern, a new stochastic method based on maximum entropy principle to assess the occurrence frequency of voltage sags caused by line faults was proposed in this paper.

针对其随机规律难以直接计算的问题，提出利用最大熵原理评估线路故障引起的电压凹陷频次新方法。

We find that as same as in uniform quantum Ising chain, the mutual entropy is symmetrical with increasing number of spins of subchain.

最后，我们给出了在有限温度下，横场中周期为二和无序的量子伊辛链的量子互熵。

C. 's method, it proves the existance of entropy as a state function in the subregion.

的方法证明杆局域熵作为状态变量存在。

This paper focus on some topics described as following based on the summarizer of:(1) Feature extraction of the EEGAnalyzing the origin, the mechanism and the framework of the EEG and using the power spectral density, AR model parameter, band power and the wavelet entropy as the features of the EEG recorded during imagination of hand movements.

本文在综述国内外研究现状的基础上对基于脑电信号的意识任务的识别进行了以下几个方面的研究讨论：(1)提取脑电信号的多个特征量对EEG信号的来源，产生机理，结构特征等进行分析，运用经典功率谱估计，AR模型功率谱估计，AR模型参数，信号能量，小波熵等多种方法对想象左右手动作的脑电信号进行特征提取，并比较其性能。

In the system-science, that is to achieve the summation of negative entropy.

用系统论的话来说，就是获得负熵的增加和积累。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。