1) time operator
时间算子
1.
Time, frequency and time-frequency localization characteristics are investigated using time operator.
介绍了一类新的复基子波??Y(母波,引进时间算子和频率算子分析了Y(母波的时间、频率和时-频局域化特征。
2) time-domain operator
时间域算子
3) time operator splitting
时间算子分裂法
1.
Using time operator splitting technique and weighted essentially non-oscillatory(WENO) schemes to simulate detonation with detailed chemical reaction,a time operator splitting technique is employed to decouple hydra-dynamic transport and chemical reaction,and finite volume WENO scheme is constructed for the homogeneous Euler equations with complex equation of state.
用时间算子分裂法来分离普通流体流动和化学反应方程,采用有限体积加权基本无振荡格式构建了带有复杂状态方程的欧拉方程组;提出一种新的熵修正方法EF4,并结合Roe平均格式来解决激波的不稳定问题和间断问题。
2.
Using time operator splitting technique and weighted essentially nonoscillatory(WENO) schemes to simulate detonation with detailed chemical reaction,we obtain its unique and regular detonation wave cellular structure.
用时间算子分裂法来分离普通流体流动和化学反应方程,采用加权基本无振荡格式构建了带有复杂状态方程的欧拉方程组;提出一种新的熵修正方法,并结合Roe平均格式来解决激波的不稳定问题。
4) time filtration operator
时间过滤算子
1.
Based on the C-TRDM temporal data model and the time filtration operator,a method for the aftertime temporal data processing is put forward,that is implementing temporal data s pro-arranging on its lifespan with extending timeaxis and operating with the time filtration operator.
基于C-TRDM时态数据模型和时间过滤算子的概念,提出一种将来时态数据处理方法,即在延伸时间轴的基础上,实现数据在其生命周期上的预安排,并应用时间过滤算子进行运算。
2.
Based on the C-TRDM temporal data model,the paper first puts forward a "Key-Time" method to modify relation database table structure and a new concept of time filtration operator,then introduces time filtration operation among tables with the Key-Time method,and provides illustrations.
基于C-TRDM时态数据模型,利用传统的关系数据库来进行时态数据处理研究,提出一种修正关系数据表结构的“Key-Time”法和时间过滤算子的新概念,讨论了如何基于“Key-Time”法进行单表和多表之间的时间过滤操作,并结合实例给以说明。
5) time-inclined operator
时间倾斜算子
1.
A numerical method for the calculation of unsteady impeller/diffuser interaction in centrifugal compressor stage of arbitrary pitch ratio using time-inclined operator is presented.
本文采用了不对粘性项作任何近似的时间倾斜算子,来处理转子和静子栅距不相等时的周期性边界条件施加时所出现的问题。
2.
A numerical method for the calculation of unsteady stator/rotor interaction in turboma-chinery stage of arbitrary pitch ratio using time-inclined operator is presented.
本文介绍了用时间倾斜算子来处理非定常计算中非等栅距的方法。
6) time reversal operator
时间反转算子
1.
Eigenvalue decomposition algorithm for time reversal operators;
时间反转算子特征值分解算法
补充资料:凹算子与凸算子
凹算子与凸算子
concave and convex operators
凹算子与凸算子「阴~皿d阴vex.耳阳.勿韶;.留叮.肠疽“‘.小啊j阅雌口叹甲司 半序空间中的非线性算子,类似于一个实变量的凹函数与凸函数. 一个Banach空间中的在某个锥K上是正的非线性算子A,称为凹的(concave)(更确切地,在K上u。凹的),如果 l)对任何的非零元x任K,下面的不等式成立: a(x)u。(Ax续斑x)u。,这里u。是K的某个固定的非零元,以x)与口(x)是正的纯量函数; 2)对每个使得 at(x)u。续x《月1(x)u。,al,月l>0,成立的x‘K,下面的关系成立二 A(tx))(l+,(x,t))tA(x),0
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