查询词典 frame of reference

Simulation results show that the proposed model is correct. The proposed model offers reference for the design of DC brushless motor/generator, and can be used as technical reference for both Boost circuit and the control of digital signal processor of DC-AC conversion process.

仿真结果表明所建立的仿真模型是正确的，该模型可为直流无刷电机/发电机的设计提供参考依据，在此基础上并为Boost电路和DC-AC转换过程的数字信号处理器控制提供技术上的指导。

Special functions established in different reference frames served as the reference model and the adjustable model of MRAS, and the steady-state electric torque considering to be known and thereby employed to achieve on-line identification of the induction motor mutual inductance.

该方法采用一种特殊形式函数，将该函数同时建立在2种不同的参考坐标系下，分别作为MRAS的参考模型和可调模型，同时利用稳态电磁转矩并将其作为已知量，实现了对感应电机励磁互感的在线辨识。

In order to provide a suitable 237Np reference solution for nuclear fuel reprocessing and environmental science, a radioactivity reference solution of neptunium-237 in 0.5 mol/L HNO3 is investigated. It is prepared by dissolution of a neptunium oxide stock from plant.

为了给乏燃料后处理工艺和环境科学研究提供合适的237Np标准溶液，研制了以0.5mol/L HNO3为介质的镎－237放射性活度标准溶液。

On the basis, with model reference adaptive method, the rotating speed estimation for vector control system with no-peed sensor is studied. In addition, aiming at the problem that the reference model is easily influenced by the initial value and drift of integral in normal speed recognizer, the traditional MRAS is improved, and modeling simulation is also conducted.

在此基础上，应用模型参考自适应方法，对无速度传感器矢量控制系统的转速估计进行研究，并针对常规速度辨识器中的基准模型易受积分初值和漂移影响的问题，对传统的MRAS方法进行改进，并对其进行建模仿真。

In order to ensure the reasonable modeling method for thermodynamics model, by adopting these four kinds of models and the reference model, the typical thermodynamics characteristic in drum-the dynamic process of"false level"were dynamically simulated, the results of simulation indicate: The modeling method of considering the changing rates of pressure and volume simultaneously is more reasonable, it's simulation result can be consistent with the result of the reference model, and the numeric error is within±5%, so, this method can be used to build thermodynamics model of drum level.

为确定合适的热力学模型建模方法，采用这四种模型和参考模型，对汽包中典型的热力学性质-"虚假水位"现象的动态过程进行了动态仿真，结果表明：同时考虑汽包体积变化率和压力变化率的建模方法，其动态仿真结果完全可以正确地跟踪参考模型的仿真结果，并且数值误差在5%以内，故该建模方法可以用来建立汽包水位热力学模型。

In the aspect of digital resources service, on-line reader authentication, on-line searches and reading, on-line virtual reference, Metadate unified search, full-text reading and search preparation, and on-line virtual reference are available now.

在数字资源服务方面，正在进行网上读者认证、网上检索与阅读、网上虚拟参考、元数据统一检索、全文阅览与检索等的准备工作，网上虚拟参考已经开通。

Firstly,puts both a reference image and a target image to an orthogonal color space,computes their color distributions.Then imposes color characteristics of reference image on target image to generate novel image.

先将图像变换到正交的色彩空间，然后根据图像的色彩信息统计值，将参考图像的色彩迁移至目标图像中，使生成的新图像具有参考图像的整体色彩特征。

Whenever a guideline makes reference to another guideline, a parenthetical restatement of that other guideline's heading accompanies the initial reference to that other guideline.

指导方针标题缩写的使用：只要一条指导方针涉及到另一条指导方针，另外一条指导方针的附加说明的重述附在第一条指导方针之后。

Warning : Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of.

现在我又从往上知道沈阳百脑会的第一层由此那张了一个叫什么西提岛的咖啡店，它能让整天忙碌的你找到另一个温馨的家。

Medline, EMBASE, CBMdisc and other database of clinical trial were searched for Chinese and English language meta analysis and randomized controlled trials. Conference abstract, personal reference lists, reference lists of retrieved studies and some websites were also searched.

联机检索EMBASE、CBM光盘数据库，Medline、CCTR、SCI及相关临床试验数据库，检索年限为2000～2005年3月，手检已获文献的参考文献、会议摘要及相关网站，鉴定中、英文发表的有关随机对照试验。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网