1) Dispersion
[英][dɪ'spɜ:ʃn] [美][dɪ'spɝʒən]
离散度
1.
Comparison of global dispersion with local dispersion of ventricular repolarization measured with monophasic action potential mapping technique in swine;
猪整体和局部心室复极离散度的单相动作电位标测比较
2.
Investigation of normal value of P wave dispersion and its correlative fators among adults;
成人P波离散度正常值及其相关影响因素的探讨
3.
The Affect of Regular Polygon Dispersion on its Signal Cognitive Performance;
离散度参数对规则多边图形认知工效的影响
2) Discrete degree
离散度
1.
Stability of spatial grid structure based on variable discrete degree of imperfection distribution;
基于缺陷分布变离散度空间网格的结构稳定性
2.
It is shown that discrete degree can be taken as the criterion of rock-mass stability.
在演化模型的基础上,进行了模拟实验,且运用R/S分析法对结果进行分析,得到了以离散度作为岩体稳定性的标准。
3.
Discrete degree of splitting tensile strength with steel wire is less than that of splitting tensile strength with steel bearing plate;Discrete degree of splitting tensile strength is more smaller when the tensile strength become larger;When diameter of specimens is same and its thickness is different,the discrete degree of splitting tensile st.
采用钢丝垫条形式的大理岩劈裂抗拉强度离散度小于采用钢平板形式的离散度;大理岩劈裂抗拉强度值越高,其离散度越小;采用钢丝垫条形式的劈裂抗拉强度在总趋势上随厚度的增加先增加后减小;而采用平板形式的劈裂抗拉强度随厚度的增加而减小。
3) dispersed degree
离散度
1.
It has close relation between broken pulling force of wire rope and tensile force value dispersed degree of steel wire for rope.
对国内 3家工厂和日本产 72A盘条进行试验并分析 ,钢丝绳的整绳破断拉力值和制绳钢丝拉力值的离散度有密切关系。
2.
For this reason,the article improves ID3 algorithm in terms of dispersed degree,through the contrast experiment of two kinds of algorithms,proves that utilizes the algorithm after improving to excavate the categorized rule,not only has i.
为此,从离散度的角度,对ID3算法进行改进,通过2种算法的对比实验,证明利用改进后的算法挖掘分类规则,不仅提高了分类的正确率,而且非常高效。
4) discreteness
[英][di'skri:tnis] [美][dɪ'skritnəs]
离散度
1.
Optimization of network graphs under discreteness(Ⅱ);
离散度意义下网络图的优化设计(Ⅱ)
2.
Optimization of network graphs under discreteness(I);
离散度意义下网络图的优化设计(I)
5) QT dispersion
QT离散度
1.
Effect of percutaneous coronary intervention on QT dispersion in patients with unstable angina;
冠状动脉介入治疗对不稳定型心绞痛QT离散度的影响
2.
Effect of Metoprolol on QT dispersion and heart rate variability in patients with acute myocardial infarction;
美托洛尔对急性心肌梗死患者QT离散度及心率变异性的影响
3.
Clinical significance of QT dispersion in 48 patients with acute myocardial infarction;
急性心肌梗死48例QT离散度临床意义
6) QTd
QT离散度
1.
Effect of Irbesartan on Left Ventricular Hypertrophy and QTd in Hypertension
依贝沙坦逆转高血压左心室肥厚及其对QT离散度的影响
2.
Objectives:To explore the clinical significanse of QTd in 68 cases with pulmonary heart disease with coronary heart disease.
目的:探讨68例肺心病合并冠心病患者中QT离散度(QTd)的临床意义。
3.
Objective To assess the value of QT dispersion (QTd) on the restenosis after percutaneous coronary intervention (PCI).
目的对经皮冠状动脉介入(PCI)术前、术后有及无再狭窄病人行QT离散度(QTd)分析,评估QTd对PCI术后冠状动脉再狭窄的临床应用价值。
补充资料：离散时间周期序列的离散傅里叶级数表示
(1)
式中χ((n))N为一离散时间周期序列，其周期为N点，即
式中r为任意整数。X((k))N为频域周期序列，其周期亦为N点，即X(k)=X(k+lN)，式中l为任意整数。
从式(1)可导出已知X((k))N求χ((n))N的关系
(2)
式(1)和式(2)称为离散傅里叶级数对。
当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N，如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
式中χ((n))N为一离散时间周期序列，其周期为N点，即
式中r为任意整数。X((k))N为频域周期序列，其周期亦为N点，即X(k)=X(k+lN)，式中l为任意整数。
从式(1)可导出已知X((k))N求χ((n))N的关系
(2)
式(1)和式(2)称为离散傅里叶级数对。
当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N，如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条