查询词典 entropy

We introduced two newly developed methods, one is the Maximum Entropy Principle for the analysis of the positron lifetime spectra, and another is the two-detector Doppler broadening technique with so-called W-S map for identification elemental specificity of positron annihilation spectra.

介绍了最新发展的正电子谱学方法，用于分解正电子寿命连续分布的最大熵原理，用于鉴别缺陷化学环境的双探头多普勒展宽和W-S图。

Recently,one attribute re- duction definition based on the new information entropy is proposed by some researchers.

经深入研究，我们证明了该属性约简与基于HU差别矩阵的属性约简是等价的，从而给出了基于HU差别矩阵的属性约简的信息观解释。

In this paper, a new type of statistical feature of the pump dynagraph grey scale, such as the average value, variance, deflection, keenness, energy and entropy.

本文提出提取泵功图的灰度统计特征：灰度的均值、方差、偏度、峰度、能量以及熵。

Finally, the entropy indices were less interfered with by the electrocautery unit during the operation (12% versus 62% for the BIS monitor).

熵指数受术中电刀的干扰较少（与 BIS 监测仪相比分别为12％和62％）。

Multiple blood samples were taken for measurement of the time course of the drug concentrations, and the electrocorticogram processed (approximate entropy, for propofol and methohexital and percentage high frequency time, for ketamine) to numerically quantify drug effect.

结果：使用药代/药效分析法得出的t1/2Keo：氯胺酮为2.0±0.4min，异丙酚为2.7±1.1min，而美索比托的t1/2Keo为0.3±0.1min明显较前两者缩短。药代/药效分析法和总体守恒分析法在药物到达峰值的时间举无明显差异。

Compared with BIS, entropy index seems to be a more accurate and sensitive electroencephalographic measure, and is promising in clinical application.

熵指数是较BIS更准确、更灵敏的新型脑电监护指标，可用于临床预测麻醉恢复。

Thermodynamic calculating showed that reduced glutathione adsorbed on core-shell structure SiO_2/γ-Fe_2O_3 magnetic nanocomposites was an endothermic spontaneous、 entropy increasing and endothermal process .

还原型谷胱甘肽在该复合粒子上具有较大的吸附量，是一个多层吸附过程；热力学计算说明还原型谷胱甘肽在核壳结构SiO_(2/γ)-Fe_2O_3磁性纳米复合粒子上的吸附是一个自发的、熵增的、吸热过程。

According to singular entropy and Percent of contribution to total energy, the de-noising rank is obtained and the signal is reconstructed. The thesis compares reconstruct wave form of different reconstruct rank and the error of original signal and reconstruct signal is contrasted.According to voltage flicker measurement, voltage flicker detection method based on Mathe Matical filtering and Teager Energy Operator is proposed. The multiple MM filter filters out pulse noise and white noise contained in fliker signal, then the filtered signal is tracked accurately and quikly via TEO.

提出了基于数学形态滤波和TEO能量算子的电压闪变快速测量方法，含噪电压闪变信号经过多结构元素复合数学形态滤波后，采用TEO能量算子计算跟踪电压闪变信号的包络，得到的包络信号用Pisarenco谱分析方法获得闪变调制信号的幅值频率等参数，对不同情况下的电压闪变信号进行了仿真验证。

Based on PCT tests at different temperature entropy and enthalpy of each system could be calculated out The enthal.

根据不同温度下的PCT测试结果可以推出各体系的焓变和熵变。

Entropy is a one kind of information.

熵是信息的一种形式。

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％。