查询词典 operator

Control actuators should be located adjacent to associated displays so as to make their relationship to the operator.

控制器应该放置在相关显示的附近，以便他们的功能对于操作者是明显的。

In this paper, the adjointness of the product of two differential operators generated by a third order normal and singular symmetric differential expression in the limit-circle case is discussed. The necessary and sufficient conditions which make the product operators being the adjoint operators obtained by the matrix analysis and calculation. At the same time, the adjointness of the product of the power and adjointness operator obtained.

本文首先讨论了正则和奇异两种情况下两个极限圆型三阶对称微分算式生成的微分算子的乘积的自共轭性，运用矩阵分析和计算，得到了乘积算子为自共轭算子时边界应满足的充分必要条件，同时得到了幂算子的自共轭性、自共轭算子乘积的自共轭性等乘积算子的其它若干性质。

In this paper, the author gives exact representation of the adjoint of composition operator on Hardy space.

该文给出了Hardy空间上的复合算子伴随的准确表达式。

For the first time, the influence of stochastic gain on the Gordon-Haus effect is studied by adjoint operator method.

首次运用自伴算符方法研究了随机增益对Gordon-Haus效应的影响。

We give the computing results of Maple programs by using the adjoint operator method.

利用共轭算子法和逐项消去法等规范形理论研究了含有三次非线性项的四维系统的规范形，给出了利用Maple符号推导程序所得到的计算结果。

Direct migration methods, using the adjoint operator L *, usually yield a lower resolution or blurred image.

利用伴随算子 L *，直接的偏移方法通常导致一个低分辨率或模糊的地震成像。

Deeply study the relationship between the Riemannian metric and the adjoint operator Ad kk ?1 and present the objective map expressions.

对Riemannian流形中的度规与空间伴随算子的内在联系作了深入研究，并给出了具体的映射关系。

Micro flexible mechanical structure topology optimization homogenization theory adjoint operator sensitivity analysis

微小型柔性结构；拓扑优化；均匀化理论；伴随变量法；敏度分析

The influence of nonlinear gain (including five order nonlinear gain term) on the Gordon-Haus effect of soliton transmission system controlled by fixed central frequency filter is studied by using adjoint operator method for the first time.

运用绝热演化方法研究了滑频滤波控制孤子传输系统的稳定条件，并首次解析研究了滤波器三阶项对滑频滤波控制系统孤子定时抖动的影响。

The adjoint operator method and the theory of normal form are used to investigated the normal forms in the four dimensional nonlinear systems with cubic nonlinearities. We give two methods to compute the normal form for the four dimensional nonlinear systems. The corresponding Maple programs are also given in the appendix. The results obtained in this dissertation have a completely agreement with the results obtained in other papers.

利用共轭算子法和规范形理论研究了含有三次非线性项的四维系统的规范形，给出了计算四维非线性规范形的两种算法，给出了相应的Maple符号推导程序，所得到的结果与其它文献所得结果完全一致。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。