1) measure-preserving transformation
保测变换
2) measure preserving transformation
保测变换
1.
In this paper, we have derived the existence of stationay selection of stationary Set-valued stochastie processes with respect to measure preserving transformation.
采用[2]中平稳集值随机过程的定义,证明了在可逆的保测变换下,平稳集值随机过程存在平稳选择。
3) semi group of measure preserving transformation
保测变换半群
1.
In this paper, we introduce the concept of the fuzzy stationary process and establish the one to one correspondence relation between the fuzzy stationary process and the semi group of measure preserving transformation.
讨论了模糊平稳过程的定义 ,并建立保测变换半群与模糊平稳过程之间的一一对应关系。
4) conformal transformation
保角变换
1.
Analysis of the slot effect of high speed brushless PM motors based on numerical conformal transformation;
基于数值保角变换的高速永磁无刷电机齿槽效应的分析
2.
Its analytic solution is obtained by multiple conformal transformations including elliptical functions,and the pressure and streamline distributions and the well flow rate are presented for the flow field.
将油藏工程中水平井网渗流作为复杂源汇边界矩形区域的流动,通过椭圆函数等多重保角变换求得其解析解,并得到渗流场的压力分布、流线分布及井产量。
3.
Under the condition of the steady flow, by means of conformal transformation, the authors derive a production formula of a horizontal well in the center of a reser.
文中在保证地层内具有稳定流动的基础上 ,利用保角变换对顶底不渗透油藏中心有一口水平井的产量公式进行了重新推导 ,给出了水平井产量公式的修正公式 ,并且利用等值渗流阻力法进行了解
5) conformal mapping
保角变换
1.
Calculation of the capacitance per unit length of an eccentric cable by conformal mapping;
保角变换法计算单芯偏心电缆单位长度的电容量
2.
Conformal mapping finite difference method for analyzinga novel family of elliptic function waveguides;
新型椭圆函数波导族的保角变换有限差分解法
3.
A MoM calculation of the lowest cutoff frequencies of uniform waveguides by conformal mapping;
用保角变换结合矩量法计算均匀波导的最低截止频率
6) Conformal mapping
保形变换
1.
Linear transformation is a kind of basic and important Conformal mapping.
线性变换是一种基本又十分重要的保形变换。
补充资料:保测变换
保测变换
measure-preserving transformation
保测变换〔~.pres曰物嗯坛m蛾幻朋咖;"P eo6P,-30训:e C eo却aoe朋eM Mep‘」,沮味度空I’q(X,吸,户)的【补注】可测映射(~旧比maPP叱)T:X一,x满足对每个A〔贬有群(T一’(A”“,(A).拜称为关于T的不变测度(加论巧胡t nl当‘uIe).测度空间(X,级,拜)与(Y,、分,,)之间的可测映射T:X一,Y满足对每个B‘,,召(T一’(B刀=,(B)时,通常称为保测映射(n℃aS讹一prese助ng InaPPing).测度空间(X,吸,拜)的满保测变换T,即T映X到其自身上,常称为(X,吸,拜)的自同态(。对。n幻rp地m).一个双射且其逆亦为保测的自同态称为(X,吸,料)上的自同构(au幻morp恤m). 保测变换,例如,是在经典动力系统的研究中提出来的(见(可测)瀑布(cascade),可测流(m。犯ur-abk flow)).那时这种变换首先是作为某个通常是紧的拓扑空间(或流形)上的连续(或光滑)变换而得到的,并且不变测度的存在性是被证明了的.关于H加n-业加旧系统(Harr亩ton坦n System)的U倒碗血定理(Liou-溯e此。mm)就是一个例子. 进一步的知识与参考文献见遍历理论(e馏记icth以〕-ry).沈祖和译郑维行校
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