vector model造句
例句与造句
- Optimized discrete vector model of nc machining simulation
数控加工仿真中的优化离散矢量模型 - Vector model of whirlwind milling movement
旋风铣削运动的矢量建模 - Control system of two phase hybrid step motor based on the torque star vector model
基于转矩星矢量模型的两相混合式步进电机控制系统 - Space vector model and dq equivalent model of the brushless doubly - fed reluctance machine
双馈电机矢量控制变频调速系统控制策略的研究及仿真 - The physical mechanism to generate a dark hollow beam from the output beams of a lp01 mode ( scalar model ) and a he11 mode ( vector model ) in a micro - sized hollow optical is analyzed
本文就利用中空光纤中lp _ ( 01 )模(标量模型)和he _ ( 11 )模(矢量模型)衍射输出产生中空光束的物理机制进行了详细的理论研究。 - It's difficult to find vector model in a sentence. 用vector model造句挺难的
- The backgrovind of this paper is text retrieval conference ( trec ) , high accuracy retrieval of document ( hard ) . in this paper , the characteristics of traditional vector model and probabilistic model are introduced
本文的提出背景是第12届国际文本检索大会的子项目，高精度文本检索( textretrievalconference12 ， highaccuracyretrievalofdocumenttrack ) 。 - The raster model is built by using a proprietary set of software developed by the pci geomatics . the vector models of the 80 selected buildingsstructures are built by using the software , 3d studio max from autodesk
格栅式模型乃采用一套由pcigeomatics公司发展的专卖软件制作，而八十幢被选出的建筑物构造物之向量式模型则是采用autodesk公司之3dstudiomax软件制作。 - And establishing the model of the thrust vectoring nozzle is the base for researching thrust vectoring technique and engine performance with vectoring nozzle , especially the integration of flight and propulsion system control ( ifpsc ) . so thrust vector modeling is very important and meaningful
矢量喷管是实现推力矢量的关键部件，建立其数学模型是推力矢量技术尤其是开展带矢量喷管的发动机研究以及飞推一体化综合控制研究的基础，具有十分重要的意义。 - Based on the discussion of the definition of the employee performance , the authors have developed a vector model to analyze the performance of the employee in a vectorial and geometric form , which makes the conclusions of performance appraisal not the simple numerical value scores , and they can distribute in a vectorial space and combine with numerical values and directions
摘要文章探讨了员工绩效的定义，并在此基础上开发出一个矢量分析模型，对员工绩效进行矢量和图形处理，使绩效结论不再是简单的数值得分，而是兼有数值和方向的、在矢量空间内分布的矢量点。 - The coordinate system of turning polyhedron movement was selected and its vector model was established by way of analyzing the vector , and based on that , the vector expression of describing turning polyhedron movement was deduced , then the vector formula of the relative movement and the vector formula of the path of the lathe tool were built
摘要通过矢量分析，选择了车削多面体运动的标架，建立了车削多面体运动的矢量模型，在此基础上给出了描述车削多面体运动的矢量表达式，建立了相对运动的矢量公式和刀尖轨迹的矢量公式。 - To fulfill the requirement and characteristics of this track , which include paragraph - based and a relevant document supplied by user before retrieval , the rocchio model and vector model are merged to compute relevance between query and document . then , gradient decrease method is used to train the parameters of rocchio model . then , based on the paragraph - level relevance , the sorted documents are returned
本文针对文本检索大会子项目的要求和基于段落的，用户查询时可能提供一篇相关文章的查询特点，首先将rocchio模型和向量空间算法结合起来来把握用户需求并计算文档与查询的相关度，再使用梯度下降技术来训练模型中的参数，最后依据查询和段落层的相关度，使用基于段落切分的方法返回包含用户查询最相关文章。 - On the other hand , the electric field and intensity distributions of the he11 mode in the hollow fiber are calculated by using the exact solutions of maxwell equations based on the vector model , and the diffracted near - and far - field distributions of the he11 - mode output beam under the fresnel approximation are studies . we derive an analytical expression on the far - field distribution of the he n - mode output beam in free space and discuss its applicable condition . we also analyze and compare the differences between the he11 - and lp01 - mode output beams , and find that the near - field distribution of the lpoi - mode output beam is a gaussian - like one , but the near - field distribution of the he11 - mode output beam is a doughnut - like one , whereas the far - field distribution of both the lp01 - and he11 - mode output beams are a doughnut one
此外，我们把中空光纤中lp _ ( 01 )模(标量模型)和he _ ( 11 )模(矢量模型)的场分布以及它们各自的输出光束的近场与远场分布进行了比较，发现两种模式的输出光束在近场分布有很大的区别， lp _ ( 01 )模输出光束在近场是一个高斯分布，而he _ ( 11 )模输出光束在近场是一个中空光束，在远场两种模式的输出光束分布是基本一致的，这正是由于在中空光纤中采用了弱波导近似以后所引起的误差。